commit b2d085dc138ee4f012e50f52a9850bf81f88c837
Author: FIGBERT <figbert@figbert.com>
Date: Tue, 26 Jul 2022 00:06:10 -0700
Initial commit
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+ GNU AFFERO GENERAL PUBLIC LICENSE
+ Version 3, 19 November 2007
+
+ Copyright (C) 2007 Free Software Foundation, Inc. <https://fsf.org/>
+ Everyone is permitted to copy and distribute verbatim copies
+ of this license document, but changing it is not allowed.
+
+ Preamble
+
+ The GNU Affero General Public License is a free, copyleft license for
+software and other kinds of works, specifically designed to ensure
+cooperation with the community in the case of network server software.
+
+ The licenses for most software and other practical works are designed
+to take away your freedom to share and change the works. By contrast,
+our General Public Licenses are intended to guarantee your freedom to
+share and change all versions of a program--to make sure it remains free
+software for all its users.
+
+ When we speak of free software, we are referring to freedom, not
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+free programs, and that you know you can do these things.
+
+ Developers that use our General Public Licenses protect your rights
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+ A secondary benefit of defending all users' freedom is that
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+ An older license, called the Affero General Public License and
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+ If the disclaimer of warranty and limitation of liability provided
+above cannot be given local legal effect according to their terms,
+reviewing courts shall apply local law that most closely approximates
+an absolute waiver of all civil liability in connection with the
+Program, unless a warranty or assumption of liability accompanies a
+copy of the Program in return for a fee.
+
+ END OF TERMS AND CONDITIONS
+
+ How to Apply These Terms to Your New Programs
+
+ If you develop a new program, and you want it to be of the greatest
+possible use to the public, the best way to achieve this is to make it
+free software which everyone can redistribute and change under these terms.
+
+ To do so, attach the following notices to the program. It is safest
+to attach them to the start of each source file to most effectively
+state the exclusion of warranty; and each file should have at least
+the "copyright" line and a pointer to where the full notice is found.
+
+ <one line to give the program's name and a brief idea of what it does.>
+ Copyright (C) <year> <name of author>
+
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU Affero General Public License as published
+ by the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU Affero General Public License for more details.
+
+ You should have received a copy of the GNU Affero General Public License
+ along with this program. If not, see <https://www.gnu.org/licenses/>.
+
+Also add information on how to contact you by electronic and paper mail.
+
+ If your software can interact with users remotely through a computer
+network, you should also make sure that it provides a way for users to
+get its source. For example, if your program is a web application, its
+interface could display a "Source" link that leads users to an archive
+of the code. There are many ways you could offer source, and different
+solutions will be better for different programs; see section 13 for the
+specific requirements.
+
+ You should also get your employer (if you work as a programmer) or school,
+if any, to sign a "copyright disclaimer" for the program, if necessary.
+For more information on this, and how to apply and follow the GNU AGPL, see
+<https://www.gnu.org/licenses/>.
diff --git a/README.md b/README.md
@@ -0,0 +1,17 @@
+# clx-browser
+
+`clx-browser` is a smol browser based off of [circumflex].
+
+## Installing
+
+To build `clx-browser` from source:
+
+```sh
+go install git.figbert.com/clx-browser@latest
+```
+
+## Under the Hood
+
+`clx-browser` uses: a tech stack yet to be determined.
+
+[circumflex]: https://github.com/bensadeh/circumflex
diff --git a/cli/cli.go b/cli/cli.go
@@ -0,0 +1,51 @@
+package cli
+
+import (
+ "os"
+ "os/exec"
+ "strings"
+
+ "git.figbert.com/clx-browser/constants/unicode"
+)
+
+func Less(input string) {
+ command := exec.Command("less",
+ "--RAW-CONTROL-CHARS",
+ "--pattern="+unicode.ZeroWidthSpace,
+ "--ignore-case",
+ "--tilde",
+ "--use-color",
+ "-P?e"+"\u001B[48;5;237m "+"\u001B[38;5;200m"+"e"+"\u001B[38;5;214m"+"n"+"\u001B[38;5;69m"+"d "+"\033[0m",
+ "-DSy",
+ "-DP-")
+
+ command.Stdin = strings.NewReader(input)
+ command.Stdout = os.Stdout
+
+ if err := command.Run(); err != nil {
+ panic(err)
+ }
+}
+
+func WrapLess(input string) *exec.Cmd {
+ command := exec.Command("less",
+ "--RAW-CONTROL-CHARS",
+ "--pattern="+unicode.ZeroWidthSpace,
+ "--ignore-case",
+ "--tilde",
+ "--use-color",
+ "-P?e"+"\u001B[48;5;234m "+"\u001B[38;5;200m"+"E"+"\u001B[38;5;214m"+"n"+"\u001B[38;5;69m"+"d "+"\033[0m",
+ "-DSy",
+ "-DP-")
+
+ command.Stdin = strings.NewReader(input)
+ command.Stdout = os.Stdout
+
+ return command
+}
+
+func ClearScreen() {
+ c := exec.Command("clear")
+ c.Stdout = os.Stdout
+ _ = c.Run()
+}
diff --git a/comment/comment.go b/comment/comment.go
@@ -0,0 +1,170 @@
+package comment
+
+import (
+ "strings"
+
+ "git.figbert.com/clx-browser/settings"
+ "git.figbert.com/clx-browser/syntax"
+
+ "github.com/logrusorgru/aurora/v3"
+
+ text "github.com/MichaelMure/go-term-text"
+)
+
+const (
+ reset = "\033[0m"
+ dimmed = "\033[2m"
+ italic = "\033[3m"
+)
+
+type comment struct {
+ sections []*section
+}
+
+type section struct {
+ isCodeBlock bool
+ isQuote bool
+ content string
+}
+
+func Print(c string, config *settings.Config, commentWidth int, availableScreenWidth int) string {
+ if c == "[deleted]" {
+ return aurora.Faint(c).String()
+ }
+
+ c = strings.Replace(c, "<p>", "", 1)
+ c = strings.ReplaceAll(c, "\n</code></pre>\n", "<p>")
+ paragraphs := strings.Split(c, "<p>")
+
+ comment := new(comment)
+ comment.sections = make([]*section, len(paragraphs))
+
+ for i, paragraph := range paragraphs {
+ s := new(section)
+ s.content = syntax.ReplaceCharacters(paragraph)
+
+ if strings.Contains(s.content, "<pre><code>") {
+ s.isCodeBlock = true
+ }
+
+ if isQuote(s.content) {
+ s.isQuote = true
+ }
+
+ comment.sections[i] = s
+ }
+
+ output := ""
+
+ for i, s := range comment.sections {
+ paragraph := s.content
+
+ switch {
+ case s.isQuote:
+ paragraph = strings.ReplaceAll(paragraph, "<i>", "")
+ paragraph = strings.ReplaceAll(paragraph, "</i>", "")
+ paragraph = strings.ReplaceAll(paragraph, "</a>", reset+dimmed+italic)
+ paragraph = syntax.ReplaceSymbols(paragraph)
+ paragraph = replaceSmileys(paragraph, config.EmojiSmileys)
+
+ paragraph = strings.Replace(paragraph, ">>", "", 1)
+ paragraph = strings.Replace(paragraph, ">", "", 1)
+ paragraph = strings.TrimLeft(paragraph, " ")
+ paragraph = syntax.TrimURLs(paragraph, false)
+ paragraph = syntax.RemoveUnwantedNewLines(paragraph)
+ paragraph = syntax.RemoveUnwantedWhitespace(paragraph)
+
+ paragraph = italic + dimmed + paragraph + reset
+
+ quoteIndent := " " + config.IndentationSymbol
+ padding := text.WrapPad(dimmed + quoteIndent)
+ wrappedAndPaddedComment, _ := text.Wrap(paragraph, commentWidth, padding)
+ paragraph = wrappedAndPaddedComment
+
+ case s.isCodeBlock:
+ paragraph = syntax.ReplaceHTML(paragraph)
+ wrappedComment, _ := text.Wrap(paragraph, availableScreenWidth)
+
+ codeLines := strings.Split(wrappedComment, "\n")
+ formattedCodeLines := ""
+
+ for j, codeLine := range codeLines {
+ isOnLastLine := j == len(codeLines)-1
+
+ if isOnLastLine {
+ formattedCodeLines += dimmed + codeLine + reset
+
+ break
+ }
+
+ formattedCodeLines += dimmed + codeLine + reset + "\n"
+ }
+
+ paragraph = formattedCodeLines
+
+ default:
+ paragraph = syntax.ReplaceSymbols(paragraph)
+ paragraph = replaceSmileys(paragraph, config.EmojiSmileys)
+
+ paragraph = syntax.ReplaceHTML(paragraph)
+ paragraph = strings.TrimLeft(paragraph, " ")
+ paragraph = highlightCommentSyntax(paragraph, config.HighlightComments, config.EnableNerdFonts)
+
+ paragraph = syntax.TrimURLs(paragraph, config.HighlightComments)
+ paragraph = syntax.RemoveUnwantedNewLines(paragraph)
+ paragraph = syntax.RemoveUnwantedWhitespace(paragraph)
+
+ wrappedAndPaddedComment, _ := text.Wrap(paragraph, commentWidth)
+ paragraph = wrappedAndPaddedComment
+ }
+
+ separator := getParagraphSeparator(i, len(comment.sections))
+ output += paragraph + separator
+ }
+
+ return output
+}
+
+func replaceSmileys(paragraph string, emojiSmiley bool) string {
+ if !emojiSmiley {
+ return paragraph
+ }
+
+ paragraph = syntax.ConvertSmileys(paragraph)
+
+ return paragraph
+}
+
+func isQuote(text string) bool {
+ quoteMark := ">"
+
+ return strings.HasPrefix(text, quoteMark) ||
+ strings.HasPrefix(text, " "+quoteMark) ||
+ strings.HasPrefix(text, "<i>"+quoteMark) ||
+ strings.HasPrefix(text, "<i> "+quoteMark)
+}
+
+func getParagraphSeparator(index int, sliceLength int) string {
+ isAtLastParagraph := index == sliceLength-1
+
+ if isAtLastParagraph {
+ return ""
+ }
+
+ return "\n\n"
+}
+
+func highlightCommentSyntax(input string, commentHighlighting bool, enableNerdFonts bool) string {
+ if !commentHighlighting {
+ return input
+ }
+
+ input = syntax.HighlightBackticks(input)
+ input = syntax.HighlightMentions(input)
+ input = syntax.HighlightVariables(input)
+ input = syntax.HighlightAbbreviations(input)
+ input = syntax.HighlightReferences(input)
+ input = syntax.HighlightYCStartupsInHeadlines(input, syntax.Unselected, enableNerdFonts)
+
+ return input
+}
diff --git a/constants/category/category.go b/constants/category/category.go
@@ -0,0 +1,10 @@
+package category
+
+const (
+ FrontPage = 0
+ New = 1
+ Ask = 2
+ Show = 3
+ Favorites = 4
+ Buffer = 5
+)
diff --git a/constants/margins/margins.go b/constants/margins/margins.go
@@ -0,0 +1,8 @@
+package margins
+
+const (
+ MainViewLeftMargin = 7
+ MainViewRightMarginPageCounter = 5
+ CommentSectionLeftMargin = 2
+ ReaderViewLeftMargin = 2
+)
diff --git a/constants/nerdfonts/nerdfonts.go b/constants/nerdfonts/nerdfonts.go
@@ -0,0 +1,9 @@
+package nerdfonts
+
+const (
+ Time = ""
+ Author = ""
+ Score = "ﰵ"
+ Comment = ""
+ Tag = ""
+)
diff --git a/constants/style/style.go b/constants/style/style.go
@@ -0,0 +1,93 @@
+package style
+
+import (
+ "github.com/charmbracelet/lipgloss"
+ "github.com/muesli/termenv"
+)
+
+const (
+ magentaDark = "200"
+ yellowDark = "214"
+ blueDark = "33"
+ pinkDark = "219"
+
+ orange = "214"
+ orangeFaint = "94"
+
+ logoBgDark = "#0f1429"
+ headerBgDark = "#2d3454"
+ unselectedItemFgDark = "247"
+ paginatorBgDark = logoBgDark
+ selectedPageFgDark = unselectedItemFgDark
+ unselectedPageFgDark = "239"
+
+ magentaLight = magentaDark
+ yellowLight = "208"
+ blueLight = blueDark
+ pinkLight = pinkDark
+
+ logoBgLight = "252"
+ headerBgLight = "254"
+ unselectedItemFgLight = "235"
+ paginatorBgLight = logoBgLight
+ selectedPageFgLight = unselectedItemFgLight
+ unselectedPageFgLight = "247"
+)
+
+func GetMagenta() lipgloss.TerminalColor {
+ return lipgloss.AdaptiveColor{Light: magentaLight, Dark: magentaDark}
+}
+
+func GetYellow() lipgloss.TerminalColor {
+ return lipgloss.AdaptiveColor{Light: yellowLight, Dark: yellowDark}
+}
+
+func GetBlue() lipgloss.TerminalColor {
+ return lipgloss.AdaptiveColor{Light: blueLight, Dark: blueDark}
+}
+
+func GetPink() lipgloss.TerminalColor {
+ return lipgloss.AdaptiveColor{Light: pinkLight, Dark: pinkDark}
+}
+
+func GetOrange() lipgloss.TerminalColor {
+ return lipgloss.AdaptiveColor{Light: orange, Dark: orange}
+}
+
+func GetOrangeFaint() lipgloss.TerminalColor {
+ return lipgloss.AdaptiveColor{Light: orangeFaint, Dark: orangeFaint}
+}
+
+func GetLogoBg() lipgloss.TerminalColor {
+ return lipgloss.AdaptiveColor{Light: logoBgLight, Dark: logoBgDark}
+}
+
+func GetHeaderBg() lipgloss.TerminalColor {
+ profile := termenv.ColorProfile()
+
+ if profile != termenv.TrueColor {
+ return lipgloss.AdaptiveColor{Light: headerBgLight, Dark: "237"}
+ }
+
+ return lipgloss.AdaptiveColor{Light: headerBgLight, Dark: headerBgDark}
+}
+
+func GetStatusBarBg() lipgloss.TerminalColor {
+ return GetHeaderBg()
+}
+
+func GetPaginatorBg() lipgloss.TerminalColor {
+ return lipgloss.AdaptiveColor{Light: paginatorBgLight, Dark: paginatorBgDark}
+}
+
+func GetUnselectedItemFg() lipgloss.TerminalColor {
+ return lipgloss.AdaptiveColor{Light: unselectedItemFgLight, Dark: unselectedItemFgDark}
+}
+
+func GetSelectedPageFg() lipgloss.TerminalColor {
+ return lipgloss.AdaptiveColor{Light: selectedPageFgLight, Dark: selectedPageFgDark}
+}
+
+func GetUnselectedPageFg() lipgloss.TerminalColor {
+ return lipgloss.AdaptiveColor{Light: unselectedPageFgLight, Dark: unselectedPageFgDark}
+}
diff --git a/constants/unicode/unicode.go b/constants/unicode/unicode.go
@@ -0,0 +1,6 @@
+package unicode
+
+const (
+ ZeroWidthSpace = "\u200b"
+ NoBreakSpace = " "
+)
diff --git a/go.mod b/go.mod
@@ -0,0 +1,39 @@
+module git.figbert.com/clx-browser
+
+go 1.18
+
+require (
+ github.com/JohannesKaufmann/html-to-markdown v1.3.5
+ github.com/MichaelMure/go-term-text v0.3.1
+ github.com/PuerkitoBio/goquery v1.8.0
+ github.com/charmbracelet/glamour v0.5.0
+ github.com/go-shiori/go-readability v0.0.0-20220215145315-dd6828d2f09b
+ github.com/logrusorgru/aurora/v3 v3.0.0
+ github.com/wayneashleyberry/terminal-dimensions v1.1.0
+)
+
+require (
+ github.com/alecthomas/chroma v0.10.0 // indirect
+ github.com/andybalholm/cascadia v1.3.1 // indirect
+ github.com/aymerick/douceur v0.2.0 // indirect
+ github.com/charmbracelet/lipgloss v0.5.0 // indirect
+ github.com/dlclark/regexp2 v1.4.0 // indirect
+ github.com/go-shiori/dom v0.0.0-20210627111528-4e4722cd0d65 // indirect
+ github.com/gogs/chardet v0.0.0-20191104214054-4b6791f73a28 // indirect
+ github.com/gorilla/css v1.0.0 // indirect
+ github.com/lucasb-eyer/go-colorful v1.2.0 // indirect
+ github.com/mattn/go-isatty v0.0.14 // indirect
+ github.com/mattn/go-runewidth v0.0.13 // indirect
+ github.com/microcosm-cc/bluemonday v1.0.17 // indirect
+ github.com/muesli/reflow v0.3.0 // indirect
+ github.com/muesli/termenv v0.11.1-0.20220204035834-5ac8409525e0 // indirect
+ github.com/olekukonko/tablewriter v0.0.5 // indirect
+ github.com/rivo/uniseg v0.2.0 // indirect
+ github.com/sirupsen/logrus v1.8.1 // indirect
+ github.com/yuin/goldmark v1.4.4 // indirect
+ github.com/yuin/goldmark-emoji v1.0.1 // indirect
+ golang.org/x/net v0.0.0-20210916014120-12bc252f5db8 // indirect
+ golang.org/x/sys v0.0.0-20210630005230-0f9fa26af87c // indirect
+ golang.org/x/text v0.3.6 // indirect
+ gopkg.in/yaml.v2 v2.2.8 // indirect
+)
diff --git a/go.sum b/go.sum
@@ -0,0 +1,233 @@
+cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
+github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
+github.com/JohannesKaufmann/html-to-markdown v1.3.5 h1:FrP3D5IqpxkNOk97TvbFduSo0JQKs/ZpgjuxpmAEFRA=
+github.com/JohannesKaufmann/html-to-markdown v1.3.5/go.mod h1:JNSClIRYICFDiFhw6RBhBeWGnMSSKVZ6sPQA+TK4tyM=
+github.com/MichaelMure/go-term-text v0.3.1 h1:Kw9kZanyZWiCHOYu9v/8pWEgDQ6UVN9/ix2Vd2zzWf0=
+github.com/MichaelMure/go-term-text v0.3.1/go.mod h1:QgVjAEDUnRMlzpS6ky5CGblux7ebeiLnuy9dAaFZu8o=
+github.com/OneOfOne/xxhash v1.2.2/go.mod h1:HSdplMjZKSmBqAxg5vPj2TmRDmfkzw+cTzAElWljhcU=
+github.com/PuerkitoBio/goquery v1.5.1/go.mod h1:GsLWisAFVj4WgDibEWF4pvYnkVQBpKBKeU+7zCJoLcc=
+github.com/PuerkitoBio/goquery v1.8.0 h1:PJTF7AmFCFKk1N6V6jmKfrNH9tV5pNE6lZMkG0gta/U=
+github.com/PuerkitoBio/goquery v1.8.0/go.mod h1:ypIiRMtY7COPGk+I/YbZLbxsxn9g5ejnI2HSMtkjZvI=
+github.com/alecthomas/chroma v0.10.0 h1:7XDcGkCQopCNKjZHfYrNLraA+M7e0fMiJ/Mfikbfjek=
+github.com/alecthomas/chroma v0.10.0/go.mod h1:jtJATyUxlIORhUOFNA9NZDWGAQ8wpxQQqNSB4rjA/1s=
+github.com/alecthomas/template v0.0.0-20160405071501-a0175ee3bccc/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
+github.com/alecthomas/units v0.0.0-20151022065526-2efee857e7cf/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
+github.com/andybalholm/cascadia v1.1.0/go.mod h1:GsXiBklL0woXo1j/WYWtSYYC4ouU9PqHO0sqidkEA4Y=
+github.com/andybalholm/cascadia v1.2.0/go.mod h1:YCyR8vOZT9aZ1CHEd8ap0gMVm2aFgxBp0T0eFw1RUQY=
+github.com/andybalholm/cascadia v1.3.1 h1:nhxRkql1kdYCc8Snf7D5/D3spOX+dBgjA6u8x004T2c=
+github.com/andybalholm/cascadia v1.3.1/go.mod h1:R4bJ1UQfqADjvDa4P6HZHLh/3OxWWEqc0Sk8XGwHqvA=
+github.com/armon/consul-api v0.0.0-20180202201655-eb2c6b5be1b6/go.mod h1:grANhF5doyWs3UAsr3K4I6qtAmlQcZDesFNEHPZAzj8=
+github.com/aymerick/douceur v0.2.0 h1:Mv+mAeH1Q+n9Fr+oyamOlAkUNPWPlA8PPGR0QAaYuPk=
+github.com/aymerick/douceur v0.2.0/go.mod h1:wlT5vV2O3h55X9m7iVYN0TBM0NH/MmbLnd30/FjWUq4=
+github.com/beorn7/perks v0.0.0-20180321164747-3a771d992973/go.mod h1:Dwedo/Wpr24TaqPxmxbtue+5NUziq4I4S80YR8gNf3Q=
+github.com/beorn7/perks v1.0.0/go.mod h1:KWe93zE9D1o94FZ5RNwFwVgaQK1VOXiVxmqh+CedLV8=
+github.com/cespare/xxhash v1.1.0/go.mod h1:XrSqR1VqqWfGrhpAt58auRo0WTKS1nRRg3ghfAqPWnc=
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diff --git a/item/item.go b/item/item.go
@@ -0,0 +1,17 @@
+package item
+
+type Item struct {
+ ID int
+ Title string
+ Points int
+ User string
+ Time int64
+ TimeAgo string
+ Type string
+ URL string
+ Level int
+ Domain string
+ Comments []*Item
+ Content string
+ CommentsCount int
+}
diff --git a/main.go b/main.go
@@ -0,0 +1,29 @@
+package main
+
+import (
+ "git.figbert.com/clx-browser/cli"
+ "git.figbert.com/clx-browser/markdown/parser"
+ "git.figbert.com/clx-browser/markdown/postprocessor"
+ "git.figbert.com/clx-browser/markdown/renderer"
+ "git.figbert.com/clx-browser/reader"
+)
+
+func main() {
+ var (
+ title = "FIGBERT"
+ url = "https://figbert.com"
+ indent = " ▎"
+ )
+
+ article, err := reader.GetNew(url)
+ if err != nil {
+ panic(err)
+ }
+
+ blocks := parser.Parse(article)
+ header := renderer.CreateHeader(title, url, 70)
+ renderedArticle := renderer.ToString(blocks, 70, indent)
+ renderedArticle = postprocessor.Process(header+renderedArticle, url)
+
+ cli.Less(renderedArticle)
+}
diff --git a/markdown/markdown.go b/markdown/markdown.go
@@ -0,0 +1,27 @@
+package markdown
+
+const (
+ Text = 0
+ Image = 1
+ H1 = 2
+ H2 = 3
+ H3 = 4
+ H4 = 5
+ H5 = 6
+ H6 = 7
+ Quote = 8
+ Code = 9
+ List = 10
+ Table = 11
+ Divider = 12
+
+ ItalicStart = "[CLX-ITALIC]"
+ ItalicStop = "[CLX-ITALIC-STOP]"
+ BoldStart = "[CLX-BOLD]"
+ BoldStop = "[CLX-BOLD-STOP]"
+)
+
+type Block struct {
+ Kind int
+ Text string
+}
diff --git a/markdown/parser/parser.go b/markdown/parser/parser.go
@@ -0,0 +1,256 @@
+package parser
+
+import (
+ "errors"
+ "regexp"
+ "strings"
+
+ "git.figbert.com/clx-browser/markdown"
+)
+
+func Parse(text string) []*markdown.Block {
+ var blocks []*markdown.Block
+
+ enDash := "–"
+ emDash := "—"
+ normalDash := "-"
+
+ // en- and em-dashes are occasionally used or list items.
+ // converting them to normal dashes lets us parse more list items.
+ text = strings.ReplaceAll(text, enDash, normalDash)
+ text = strings.ReplaceAll(text, emDash, normalDash)
+
+ text = strings.ReplaceAll(text, markdown.BoldStart, "")
+ text = strings.ReplaceAll(text, markdown.BoldStop, "")
+
+ lines := strings.Split(text+"\n", "\n")
+ temp := new(tempBuffer)
+
+ isInsideQuote := false
+ isInsideCode := false
+ isInsideText := false
+ isInsideList := false
+ isInsideTable := false
+
+ for _, line := range lines {
+ lineWithoutFormatting := strings.TrimLeft(line, " ")
+ lineWithoutFormatting = strings.ReplaceAll(line, markdown.BoldStart, "")
+ lineWithoutFormatting = strings.ReplaceAll(line, markdown.ItalicStart, "")
+
+ if isInsideCode {
+ if strings.HasPrefix(lineWithoutFormatting, "```") {
+ isInsideCode = false
+
+ appendedBlocks, err := appendNonEmptyBuffer(temp, blocks)
+ if err == nil {
+ blocks = appendedBlocks
+ }
+
+ temp.reset()
+
+ continue
+ }
+
+ temp.append("\n" + line)
+
+ continue
+ }
+
+ if line == "" {
+ appendedBlocks, err := appendNonEmptyBuffer(temp, blocks)
+ if err == nil {
+ blocks = appendedBlocks
+ }
+
+ temp.reset()
+
+ isInsideQuote = false
+ isInsideText = false
+ isInsideList = false
+ isInsideTable = false
+
+ continue
+ }
+
+ if isInsideTable {
+ temp.append("\n" + line)
+
+ continue
+ }
+
+ if isInsideText {
+ temp.append(" " + line)
+
+ continue
+ }
+
+ if isInsideList {
+ temp.append("\n" + line)
+
+ continue
+ }
+
+ if isInsideQuote {
+ line = strings.TrimPrefix(line, ">")
+ line = strings.TrimPrefix(line, " ")
+
+ temp.append("\n" + line)
+
+ continue
+ }
+
+ switch {
+ case strings.HasPrefix(lineWithoutFormatting, `![`):
+ temp.kind = markdown.Image
+ temp.text = line
+
+ case strings.HasPrefix(lineWithoutFormatting, "> "):
+ temp.kind = markdown.Quote
+ temp.text = strings.TrimPrefix(line, "> ")
+
+ isInsideQuote = true
+
+ case strings.HasPrefix(lineWithoutFormatting, "```"):
+ temp.kind = markdown.Code
+ temp.text = ""
+
+ isInsideCode = true
+
+ case isListItem(lineWithoutFormatting):
+ if isSameTypeAsPreviousItem(markdown.List, blocks) {
+ lastItem := len(blocks) - 1
+
+ temp.kind = markdown.List
+ temp.text = blocks[lastItem].Text + "\n" + line
+
+ blocks = RemoveIndex(blocks, lastItem)
+ isInsideList = true
+
+ continue
+ }
+
+ temp.kind = markdown.List
+ temp.text = line
+
+ isInsideList = true
+
+ case strings.HasPrefix(lineWithoutFormatting, "|"):
+ if isSameTypeAsPreviousItem(markdown.Table, blocks) {
+ lastItem := len(blocks) - 1
+
+ temp.kind = markdown.Table
+ temp.text = blocks[lastItem].Text + "\n" + line
+
+ blocks = RemoveIndex(blocks, lastItem)
+ isInsideTable = true
+
+ continue
+ }
+
+ temp.kind = markdown.Table
+ temp.text = line
+
+ isInsideTable = true
+
+ case strings.HasPrefix(lineWithoutFormatting, "* * *"):
+ temp.kind = markdown.Divider
+ temp.text = line
+
+ case strings.HasPrefix(lineWithoutFormatting, "# "):
+ temp.kind = markdown.H1
+ temp.text = lineWithoutFormatting
+
+ isInsideText = true
+
+ case strings.HasPrefix(lineWithoutFormatting, "## "):
+ temp.kind = markdown.H2
+ temp.text = lineWithoutFormatting
+
+ isInsideText = true
+
+ case strings.HasPrefix(lineWithoutFormatting, "### "):
+ temp.kind = markdown.H3
+ temp.text = lineWithoutFormatting
+
+ isInsideText = true
+
+ case strings.HasPrefix(lineWithoutFormatting, "#### "):
+ temp.kind = markdown.H4
+ temp.text = lineWithoutFormatting
+
+ isInsideText = true
+
+ case strings.HasPrefix(lineWithoutFormatting, "##### "):
+ temp.kind = markdown.H5
+ temp.text = lineWithoutFormatting
+
+ isInsideText = true
+
+ case strings.HasPrefix(lineWithoutFormatting, "###### "):
+ temp.kind = markdown.H6
+ temp.text = lineWithoutFormatting
+
+ isInsideText = true
+
+ default:
+ temp.kind = markdown.Text
+ temp.text = line
+
+ isInsideText = true
+ }
+ }
+
+ return blocks
+}
+
+func RemoveIndex(s []*markdown.Block, index int) []*markdown.Block {
+ return append(s[:index], s[index+1:]...)
+}
+
+func isListItem(text string) bool {
+ if text == "" {
+ return false
+ }
+
+ exp := regexp.MustCompile(`^\s*(-|\d+\. )`)
+ listToken := exp.FindString(text)
+
+ return listToken != ""
+}
+
+func isSameTypeAsPreviousItem(itemType int, blocks []*markdown.Block) bool {
+ if len(blocks) == 0 {
+ return false
+ }
+
+ previousItem := len(blocks) - 1
+
+ return blocks[previousItem].Kind == itemType
+}
+
+func appendNonEmptyBuffer(temp *tempBuffer, blocks []*markdown.Block) ([]*markdown.Block, error) {
+ if temp.kind == markdown.Text && temp.text == "" {
+ return nil, errors.New("buffer is empty")
+ }
+
+ b := markdown.Block{
+ Kind: temp.kind,
+ Text: temp.text,
+ }
+
+ return append(blocks, &b), nil
+}
+
+type tempBuffer struct {
+ kind int
+ text string
+}
+
+func (b *tempBuffer) reset() {
+ b.kind = 0
+ b.text = ""
+}
+
+func (b *tempBuffer) append(text string) {
+ b.text += text
+}
diff --git a/markdown/postprocessor/bbc.go b/markdown/postprocessor/bbc.go
@@ -0,0 +1,52 @@
+package postprocessor
+
+import (
+ "strings"
+
+ "git.figbert.com/clx-browser/markdown/postprocessor/filter"
+
+ . "github.com/logrusorgru/aurora/v3"
+)
+
+func processBBC(text string) string {
+ lines := strings.Split(text, "\n")
+ output := ""
+
+ for i, line := range lines {
+ isOnFirstOrLastLine := i == 0 || i == len(lines)-1
+ lineNoLeadingWhitespace := strings.TrimLeft(line, " ")
+
+ if len(lineNoLeadingWhitespace) == 1 {
+ continue
+ }
+
+ if strings.Contains(line, "(Image credit: ") {
+ continue
+ }
+
+ if isOnFirstOrLastLine {
+ output += line + "\n"
+
+ continue
+ }
+
+ if filter.IsOnLineBeforeTargetEquals([]string{"--"}, lines, i) ||
+ filter.IsOnLineBeforeTargetEquals([]string{"You may also be interested in:"}, lines, i) {
+ output += "\n"
+
+ break
+ }
+
+ image := Cyan("Image: ").Faint().String()
+ line = strings.ReplaceAll(line, "image source", image)
+
+ caption := Yellow("Caption: ").Faint().String()
+ line = strings.ReplaceAll(line, "image caption", caption)
+
+ output += line + "\n"
+ }
+
+ output = strings.ReplaceAll(output, "\n\n\n", "\n\n")
+
+ return output
+}
diff --git a/markdown/postprocessor/filter/filter.go b/markdown/postprocessor/filter/filter.go
@@ -0,0 +1,173 @@
+package filter
+
+import (
+ "strings"
+
+ "git.figbert.com/clx-browser/constants/unicode"
+ ansi "git.figbert.com/clx-browser/utils/strip-ansi"
+)
+
+type RuleSet struct {
+ skipLineContains []string
+ skipLineEquals []string
+ skipParContains []string
+ skipParEquals []string
+ endLineContains []string
+ endLineEquals []string
+}
+
+func (rs *RuleSet) Filter(text string) string {
+ paragraphs := strings.Split(text, "\n\n")
+ output := ""
+
+ output = filterByParagraph(paragraphs, output, rs)
+
+ lines := strings.Split(output, "\n")
+ output = ""
+
+ output = filterByLine(lines, output, rs)
+
+ output = strings.ReplaceAll(output, "\n\n\n\n", "\n\n\n")
+ output = strings.ReplaceAll(output, "\n\n\n", "\n\n")
+ output = strings.ReplaceAll(output, "\n\n\n", "\n\n")
+ output = strings.ReplaceAll(output, "\n\n\n", "\n\n")
+
+ return output
+}
+
+func filterByLine(lines []string, output string, rs *RuleSet) string {
+ for i, line := range lines {
+ isOnFirstOrLastLine := i == 0 || i == len(lines)-1
+ lineNoLeadingWhitespace := strings.TrimLeft(line, " ")
+
+ if len(lineNoLeadingWhitespace) == 1 {
+ continue
+ }
+
+ if equals(rs.skipLineEquals, line) ||
+ contains(rs.skipLineContains, line) {
+ continue
+ }
+
+ if isOnFirstOrLastLine {
+ output += line + "\n"
+
+ continue
+ }
+
+ if IsOnLineBeforeTargetEquals(rs.endLineEquals, lines, i) ||
+ IsOnLineBeforeTargetContains(rs.endLineContains, lines, i) {
+ output += "\n"
+
+ break
+ }
+
+ output += line + "\n"
+ }
+
+ return output
+}
+
+func filterByParagraph(paragraphs []string, output string, rs *RuleSet) string {
+ for i, paragraph := range paragraphs {
+ isOnFirstOrLastParagraph := i == 0 || i == len(paragraphs)-1
+ parNoLeadingWhitespace := strings.TrimLeft(paragraph, " ")
+
+ if len(parNoLeadingWhitespace) == 1 {
+ continue
+ }
+
+ if equals(rs.skipParEquals, paragraph) ||
+ contains(rs.skipParContains, paragraph) {
+ continue
+ }
+
+ if isOnFirstOrLastParagraph {
+ output += paragraph + "\n\n"
+
+ continue
+ }
+
+ output += paragraph + "\n\n"
+ }
+
+ return output
+}
+
+func (rs *RuleSet) SkipLineContains(text string) {
+ rs.skipLineContains = append(rs.skipLineContains, text)
+}
+
+func (rs *RuleSet) SkipLineEquals(text string) {
+ rs.skipLineEquals = append(rs.skipLineEquals, text)
+}
+
+func (rs *RuleSet) SkipParContains(text string) {
+ rs.skipParContains = append(rs.skipParContains, text)
+}
+
+func (rs *RuleSet) SkipParEquals(text string) {
+ rs.skipParEquals = append(rs.skipParEquals, text)
+}
+
+func (rs *RuleSet) EndBeforeLineContains(text string) {
+ rs.endLineContains = append(rs.endLineContains, text)
+}
+
+func (rs *RuleSet) EndBeforeLineEquals(text string) {
+ rs.endLineEquals = append(rs.endLineEquals, text)
+}
+
+func equals(targets []string, line string) bool {
+ for _, target := range targets {
+ line = ansi.Strip(line)
+ line = strings.TrimSpace(line)
+ line = strings.TrimLeft(line, unicode.ZeroWidthSpace)
+
+ if line == target {
+ return true
+ }
+ }
+
+ return false
+}
+
+func contains(targets []string, line string) bool {
+ for _, target := range targets {
+ target = ansi.Strip(target)
+ if strings.Contains(line, target) {
+ return true
+ }
+ }
+
+ return false
+}
+
+func IsOnLineBeforeTargetEquals(targets []string, lines []string, i int) bool {
+ for _, target := range targets {
+ nextLine := lines[i+1]
+ nextLine = ansi.Strip(nextLine)
+ nextLine = strings.TrimSpace(nextLine)
+ nextLine = strings.TrimLeft(nextLine, unicode.ZeroWidthSpace)
+
+ if nextLine == target {
+ return true
+ }
+ }
+
+ return false
+}
+
+func IsOnLineBeforeTargetContains(targets []string, lines []string, i int) bool {
+ for _, target := range targets {
+ nextLine := lines[i+1]
+ nextLine = ansi.Strip(nextLine)
+ nextLine = strings.TrimLeft(nextLine, " ")
+
+ if strings.Contains(nextLine, target) {
+ return true
+ }
+ }
+
+ return false
+}
diff --git a/markdown/postprocessor/postprocessor.go b/markdown/postprocessor/postprocessor.go
@@ -0,0 +1,66 @@
+package postprocessor
+
+import (
+ "strings"
+
+ "git.figbert.com/clx-browser/constants/margins"
+ "git.figbert.com/clx-browser/constants/unicode"
+ "git.figbert.com/clx-browser/screen"
+
+ t "github.com/MichaelMure/go-term-text"
+)
+
+const (
+ newLine = "\n"
+)
+
+func Process(text string, url string) string {
+ text = filterSite(text, url)
+ text = moveZeroWidthSpaceUpOneLine(text)
+ text = indent(text)
+ text = deIndentInfoSection(text)
+
+ return text
+}
+
+func moveZeroWidthSpaceUpOneLine(text string) string {
+ return strings.ReplaceAll(text, newLine+unicode.ZeroWidthSpace,
+ unicode.ZeroWidthSpace+newLine)
+}
+
+func indent(commentSection string) string {
+ indentBlock := strings.Repeat(" ", margins.ReaderViewLeftMargin)
+ screenWidth := screen.GetTerminalWidth()
+
+ indentedCommentSection, _ := t.WrapWithPad(commentSection, screenWidth, indentBlock)
+
+ return indentedCommentSection
+}
+
+func deIndentInfoSection(commentSection string) string {
+ var sb strings.Builder
+
+ lines := strings.Split(commentSection, "\n")
+
+ for i, line := range lines {
+ isOnLastLine := i == len(lines)-1
+ isInfoSection := strings.Contains(line, "╭") || strings.Contains(line, "│") ||
+ strings.Contains(line, "╰")
+
+ if isInfoSection {
+ deIndentedLine := strings.TrimPrefix(line, " ")
+
+ sb.WriteString(deIndentedLine + "\n")
+
+ continue
+ }
+
+ if isOnLastLine {
+ continue
+ }
+
+ sb.WriteString(line + "\n")
+ }
+
+ return sb.String()
+}
diff --git a/markdown/postprocessor/rules.go b/markdown/postprocessor/rules.go
@@ -0,0 +1,129 @@
+package postprocessor
+
+import (
+ "strings"
+
+ "git.figbert.com/clx-browser/markdown/postprocessor/filter"
+)
+
+func filterSite(text string, url string) string {
+ ruleSet := filter.RuleSet{}
+
+ switch {
+ case strings.Contains(url, "en.wikipedia.org"):
+ text = strings.ReplaceAll(text, "[edit]", "")
+ text = removeWikipediaReferences(text)
+
+ ruleSet.EndBeforeLineEquals("References")
+ ruleSet.EndBeforeLineEquals("Footnotes")
+
+ return ruleSet.Filter(text)
+
+ case strings.Contains(url, "bbc.com") || strings.Contains(url, "bbc.co.uk"):
+ return processBBC(text)
+
+ case strings.Contains(url, "nytimes.com"):
+ ruleSet.SkipParContains("Credit…")
+ ruleSet.SkipParContains("This is a developing story. Check back for updates.")
+
+ ruleSet.SkipLineEquals("Credit")
+ ruleSet.SkipLineEquals("Image")
+
+ return ruleSet.Filter(text)
+
+ case strings.Contains(url, "economist.com"):
+ ruleSet.SkipParContains("Listen to this story")
+ ruleSet.SkipParContains("Your browser does not support the ")
+ ruleSet.SkipParContains("Listen on the go")
+ ruleSet.SkipParContains("Get The Economist app and play articles")
+ ruleSet.SkipParContains("Play in app")
+ ruleSet.SkipParContains("Enjoy more audio and podcasts on iOS or Android")
+
+ ruleSet.EndBeforeLineContains("This article appeared in the")
+ ruleSet.EndBeforeLineContains("For more coverage of ")
+
+ return ruleSet.Filter(text)
+
+ case strings.Contains(url, "tomshardware.com"):
+ ruleSet.SkipParContains("1. Home")
+ ruleSet.SkipParContains("2. News")
+ ruleSet.SkipParContains("(Image credit: ")
+
+ return ruleSet.Filter(text)
+
+ case strings.Contains(url, "cnn.com"):
+ ruleSet.SkipParContains("Credit: ")
+
+ return ruleSet.Filter(text)
+
+ case strings.Contains(url, "arstechnica.com"):
+ ruleSet.SkipParContains("Enlarge/ ")
+ ruleSet.SkipParContains("This story originally appeared on ")
+
+ return ruleSet.Filter(text)
+
+ case strings.Contains(url, "macrumors.com"):
+ ruleSet.EndBeforeLineEquals("Top Stories")
+ ruleSet.EndBeforeLineEquals("Related Stories")
+
+ return ruleSet.Filter(text)
+
+ case strings.Contains(url, "wired.com") || strings.Contains(url, "wired.co.uk"):
+ ruleSet.SkipParContains("Read more: ")
+ ruleSet.SkipParContains("Do you use social media regularly? Take our short survey.")
+
+ ruleSet.EndBeforeLineEquals("More Great WIRED Stories")
+
+ return ruleSet.Filter(text)
+
+ case strings.Contains(url, "theguardian.com"):
+ ruleSet.SkipParContains("Photograph:")
+
+ return ruleSet.Filter(text)
+
+ case strings.Contains(url, "axios.com"):
+ ruleSet.SkipParContains("Sign up for our daily briefing")
+ ruleSet.SkipParContains("Catch up on the day's biggest business stories")
+ ruleSet.SkipParContains("Stay on top of the latest market trends")
+ ruleSet.SkipParContains("Sports news worthy of your time")
+ ruleSet.SkipParContains("Tech news worthy of your time")
+ ruleSet.SkipParContains("Get the inside stories")
+ ruleSet.SkipParContains("Axios on your phone")
+ ruleSet.SkipParContains("Catch up on coronavirus stories and special reports")
+ ruleSet.SkipParContains("Want a daily digest of the top ")
+ ruleSet.SkipParContains("Get a daily digest of the most important stories ")
+ ruleSet.SkipParContains("Download for free.")
+ ruleSet.SkipParContains("Sign up for free.")
+ ruleSet.SkipParContains("Make your busy days simpler with Axios AM/PM")
+ ruleSet.SkipParContains("Subscribe to Axios Closer")
+ ruleSet.SkipParContains("Get breaking news")
+ ruleSet.SkipParContains("Sign up for Axios")
+ ruleSet.SkipParContains("Stay up-to-date on the most important and interesting")
+
+ return ruleSet.Filter(text)
+
+ case strings.Contains(url, "9to5mac.com"):
+ ruleSet.SkipParContains("We use income earning auto affiliate links.")
+ ruleSet.SkipParContains("Check out 9to5Mac on YouTube for more Apple news:")
+
+ ruleSet.EndBeforeLineEquals("About the Author")
+
+ return ruleSet.Filter(text)
+
+ case strings.Contains(url, "smithsonianmag.com"):
+ ruleSet.SkipParContains("smithsonianmag.com")
+
+ ruleSet.EndBeforeLineEquals("Like this article?")
+
+ return ruleSet.Filter(text)
+
+ case strings.Contains(url, "cnet.com"):
+ ruleSet.SkipParContains("Read more:")
+ ruleSet.SkipParContains("Stay up-to-date on the latest news")
+
+ return ruleSet.Filter(text)
+
+ default:
+ return text
+ }
+}
diff --git a/markdown/postprocessor/wikipedia.go b/markdown/postprocessor/wikipedia.go
@@ -0,0 +1,17 @@
+package postprocessor
+
+import (
+ "strconv"
+ "strings"
+)
+
+func removeWikipediaReferences(input string) string {
+ inputWithoutReferences := input
+
+ for i := 1; i < 256; i++ {
+ number := strconv.Itoa(i)
+ inputWithoutReferences = strings.ReplaceAll(inputWithoutReferences, "["+number+"]", "")
+ }
+
+ return inputWithoutReferences
+}
diff --git a/markdown/preprocessor/preprocessor.go b/markdown/preprocessor/preprocessor.go
@@ -0,0 +1,26 @@
+package preprocessor
+
+import (
+ "strings"
+
+ "git.figbert.com/clx-browser/markdown"
+)
+
+func ConvertItalicTags(text string) string {
+ text = strings.ReplaceAll(text, "<i>", markdown.ItalicStart)
+ text = strings.ReplaceAll(text, "</i>", markdown.ItalicStop)
+ text = strings.ReplaceAll(text, "<em>", markdown.ItalicStart)
+ text = strings.ReplaceAll(text, "</em>", markdown.ItalicStop)
+
+ return text
+}
+
+func ConvertBoldTags(text string) string {
+ text = strings.ReplaceAll(text, "<b>", markdown.BoldStart)
+ text = strings.ReplaceAll(text, "</b>", markdown.BoldStop)
+
+ text = strings.ReplaceAll(text, "<strong>", markdown.BoldStart)
+ text = strings.ReplaceAll(text, "</strong>", markdown.BoldStop)
+
+ return text
+}
diff --git a/markdown/renderer/renderer.go b/markdown/renderer/renderer.go
@@ -0,0 +1,495 @@
+package renderer
+
+import (
+ "regexp"
+ "strings"
+
+ "git.figbert.com/clx-browser/constants/unicode"
+ "git.figbert.com/clx-browser/markdown"
+ "git.figbert.com/clx-browser/meta"
+ "git.figbert.com/clx-browser/syntax"
+
+ "github.com/charmbracelet/glamour"
+
+ terminal "github.com/wayneashleyberry/terminal-dimensions"
+
+ termtext "github.com/MichaelMure/go-term-text"
+ . "github.com/logrusorgru/aurora/v3"
+)
+
+const (
+ indentLevel1 = " "
+ indentLevel2 = indentLevel1 + indentLevel1
+ indentLevel3 = indentLevel2 + indentLevel1
+
+ codeStart = "[CLX_CODE_START]"
+ codeEnd = "[CLX_CODE_END]"
+)
+
+func CreateHeader(title string, domain string, lineWidth int) string {
+ return meta.GetReaderModeMetaBlock(title, domain, lineWidth)
+}
+
+func ToString(blocks []*markdown.Block, lineWidth int, indentBlock string) string {
+ output := ""
+
+ for _, block := range blocks {
+ switch block.Kind {
+ case markdown.Text:
+ output += renderText(block.Text, lineWidth) + "\n\n"
+
+ case markdown.Image:
+ output += renderImage(block.Text, lineWidth) + "\n\n"
+
+ case markdown.Code:
+ output += renderCode(block.Text) + "\n\n"
+
+ case markdown.Quote:
+ output += renderQuote(block.Text, lineWidth, indentBlock) + "\n\n"
+
+ case markdown.Table:
+ output += renderTable(block.Text) + "\n\n"
+
+ case markdown.List:
+ output += renderList(block.Text, lineWidth) + "\n\n"
+
+ case markdown.Divider:
+ output += renderDivider(lineWidth) + "\n\n"
+
+ case markdown.H1:
+ output += h1(block.Text, lineWidth) + "\n\n"
+
+ case markdown.H2:
+ output += h2(block.Text, lineWidth) + "\n\n"
+
+ case markdown.H3:
+ output += h3(block.Text, lineWidth) + "\n\n"
+
+ case markdown.H4:
+ output += h4(block.Text, lineWidth) + "\n\n"
+
+ case markdown.H5:
+ output += h5(block.Text, lineWidth) + "\n\n"
+
+ case markdown.H6:
+ output += h6(block.Text, lineWidth) + "\n\n"
+
+ default:
+ output += renderText(block.Text, lineWidth) + "\n\n"
+ }
+ }
+
+ output = strings.TrimLeft(output, "\n")
+
+ return output
+}
+
+func renderDivider(lineWidth int) string {
+ divider := strings.Repeat("-", lineWidth-len(indentLevel1)*2)
+
+ return Faint(indentLevel1 + divider).String()
+}
+
+func renderText(text string, lineWidth int) string {
+ text = it(text)
+ text = bld(text)
+ text = removeHrefs(text)
+ text = unescapeCharacters(text)
+ text = removeImageReference(text)
+
+ text = syntax.RemoveUnwantedNewLines(text)
+ text = highlightBackticks(text)
+ text = syntax.HighlightMentions(text)
+ text = syntax.TrimURLs(text, true)
+
+ text, _ = termtext.Wrap(text, lineWidth)
+
+ return text
+}
+
+func renderList(text string, lineWidth int) string {
+ // Remove unwanted newlines
+ exp := regexp.MustCompile(`([\w\W[:cntrl:]])(\n)\s*([a-zA-Z\x60(])`)
+ text = exp.ReplaceAllString(text, `$1 $3`)
+
+ text = it(text)
+ text = bld(text)
+ text = removeImageReference(text)
+ text = removeHrefs(text)
+ text = unescapeCharacters(text)
+ text = highlightBackticks(text)
+
+ output := ""
+ lines := strings.Split(text, "\n")
+
+ for _, line := range lines {
+ exp := regexp.MustCompile(`^\s*(-|\d+\.)`)
+
+ listToken := exp.FindString(line)
+ listText := strings.TrimLeft(line, listToken)
+
+ paddingBuffer := strings.Repeat(" ", len(listToken))
+ padding := indentLevel1 + paddingBuffer + " "
+
+ wrappedIndentedItem, _ := termtext.WrapWithPadIndent(listToken+listText, lineWidth, indentLevel1, padding)
+ wrappedIndentedItem = insertSpaceAfterItemListSeparator(wrappedIndentedItem)
+
+ output += wrappedIndentedItem + "\n"
+ }
+
+ output = replaceListPrefixes(output)
+ output = trimLeadingZero(output)
+
+ return strings.TrimRight(output, "\n")
+}
+
+func renderImage(text string, lineWidth int) string {
+ red := "\u001B[31m"
+ italic := "\u001B[3m"
+ faint := "\u001B[2m"
+ normal := "\u001B[0m"
+ imageLabel := normal + red + faint + "Image " + normal + faint + italic
+
+ text = regexp.MustCompile(`!\[(.*?)\]\(.*?\)$`).
+ ReplaceAllString(text, imageLabel+`$1`)
+
+ text = regexp.MustCompile(`!\[(.*?)\]\(.*?\)\s`).
+ ReplaceAllString(text, imageLabel+`$1`)
+
+ text = regexp.MustCompile(`!\[(.*?)\]\(.*?\)`).
+ ReplaceAllString(text, imageLabel+`$1`)
+
+ if text == imageLabel {
+ return indentLevel2 + text + normal
+ }
+
+ lines := strings.Split(text, imageLabel)
+ output := ""
+
+ for _, line := range lines {
+ if len(lines) == 1 || len(lines) == 0 {
+ output += imageLabel + line + "\n\n"
+
+ break
+ }
+
+ if line == "" {
+ continue
+ }
+
+ output += imageLabel + line + "\n\n"
+ }
+
+ output = strings.TrimSuffix(output, "\n\n")
+ output += normal
+
+ output = it(output)
+ output = bld(output)
+ output = removeDoubleWhitespace(output)
+
+ padding := termtext.WrapPad(indentLevel1)
+ output, _ = termtext.Wrap(output, lineWidth, padding)
+
+ return output
+}
+
+func renderCode(text string) string {
+ screenWidth, _ := terminal.Width()
+
+ text = strings.TrimSuffix(text, "\n")
+ text = strings.TrimPrefix(text, "\n")
+
+ text = Faint(text).String()
+ text = removeHrefs(text)
+
+ padding := termtext.WrapPad(indentLevel1)
+ text, _ = termtext.Wrap(text, int(screenWidth), padding)
+
+ return text
+}
+
+func renderQuote(text string, lineWidth int, indentSymbol string) string {
+ text = Italic(text).Faint().String()
+ text = unescapeCharacters(text)
+ text = removeHrefs(text)
+ text = removeUnwantedNewLines(text)
+
+ indentBlock := " " + indentSymbol
+ text = itReversed(text)
+ text = bldInQuote(text)
+
+ padding := termtext.WrapPad(indentLevel1 + Faint(indentBlock).String())
+ text, _ = termtext.Wrap(text, lineWidth, padding)
+
+ return text
+}
+
+func removeUnwantedNewLines(text string) string {
+ paragraphSeparator := "\n\n"
+ paragraphs := strings.Split(text, paragraphSeparator)
+ output := ""
+
+ for _, paragraph := range paragraphs {
+ paragraph = syntax.RemoveUnwantedNewLines(paragraph)
+
+ output += paragraph + paragraphSeparator
+ }
+
+ output = strings.TrimSuffix(output, paragraphSeparator)
+
+ return output
+}
+
+func renderTable(text string) string {
+ screenWidth, _ := terminal.Width()
+ text = strings.ReplaceAll(text, markdown.ItalicStart, "")
+ text = strings.ReplaceAll(text, markdown.ItalicStop, "")
+
+ text = strings.ReplaceAll(text, markdown.BoldStart, "")
+ text = strings.ReplaceAll(text, markdown.BoldStop, "")
+
+ text = unescapeCharacters(text)
+ text = removeImageReference(text)
+
+ r, _ := glamour.NewTermRenderer(glamour.WithStyles(glamour.NoTTYStyleConfig),
+ glamour.WithWordWrap(int(screenWidth)))
+
+ out, _ := r.Render(text)
+
+ out = strings.ReplaceAll(out, " --- ", " ")
+ out = strings.TrimPrefix(out, "\n")
+ out = strings.TrimLeft(out, " ")
+ out = strings.TrimPrefix(out, "\n")
+ out = strings.TrimSuffix(out, "\n\n")
+
+ return out
+}
+
+func removeImageReference(text string) string {
+ exp := regexp.MustCompile(`!\[(.*?)\]\(.*?\)`)
+
+ return exp.ReplaceAllString(text, `$1`)
+}
+
+func it(text string) string {
+ italic := "\u001B[3m"
+ noItalic := "\u001B[23m"
+
+ text = strings.ReplaceAll(text, markdown.ItalicStart, italic)
+ text = strings.ReplaceAll(text, markdown.ItalicStop, noItalic)
+
+ return text
+}
+
+func itReversed(text string) string {
+ italic := "\u001B[3m"
+ noItalic := "\u001B[23m"
+
+ text = strings.ReplaceAll(text, markdown.ItalicStart, noItalic)
+ text = strings.ReplaceAll(text, markdown.ItalicStop, italic)
+
+ return text
+}
+
+func bld(text string) string {
+ // bold := "\033[31m"
+ // noBold := "\033[0m"
+
+ text = strings.ReplaceAll(text, markdown.BoldStart, "")
+ text = strings.ReplaceAll(text, markdown.BoldStop, "")
+
+ return text
+}
+
+func bldInQuote(text string) string {
+ // bold := "\033[31m"
+ // noBold := "\033[0m"
+
+ text = strings.ReplaceAll(text, markdown.BoldStart, "")
+ text = strings.ReplaceAll(text, markdown.BoldStop, "")
+
+ return text
+}
+
+func h1(text string, lineWidth int) string {
+ text = preFormatHeader(text)
+ text = Bold(text).String()
+
+ text, _ = termtext.Wrap(text, lineWidth)
+
+ return unicode.ZeroWidthSpace + text
+}
+
+func h2(text string, lineWidth int) string {
+ text = preFormatHeader(text)
+ text = Bold(text).String()
+
+ text, _ = termtext.Wrap(text, lineWidth)
+
+ return unicode.ZeroWidthSpace + text
+}
+
+func h3(text string, lineWidth int) string {
+ text = preFormatHeader(text)
+ text = Bold(text).Underline().Blue().String()
+
+ text, _ = termtext.Wrap(text, lineWidth)
+
+ return unicode.ZeroWidthSpace + text
+}
+
+func h4(text string, lineWidth int) string {
+ text = preFormatHeader(text)
+ text = Bold(text).Underline().Yellow().String()
+
+ text, _ = termtext.WrapWithPad(text, lineWidth, indentLevel1)
+
+ return unicode.ZeroWidthSpace + text
+}
+
+func h5(text string, lineWidth int) string {
+ text = preFormatHeader(text)
+ text = Bold(text).Underline().Green().String()
+
+ text, _ = termtext.WrapWithPad(text, lineWidth, indentLevel2)
+
+ return unicode.ZeroWidthSpace + text
+}
+
+func h6(text string, lineWidth int) string {
+ text = preFormatHeader(text)
+ text = Bold(text).Underline().Cyan().String()
+
+ text, _ = termtext.WrapWithPad(text, lineWidth, indentLevel3)
+
+ return unicode.ZeroWidthSpace + text
+}
+
+func removeHrefs(text string) string {
+ exp := regexp.MustCompile(`<a href=.+>(.+)</a>`)
+ text = exp.ReplaceAllString(text, `$1`)
+
+ return text
+}
+
+func insertSpaceAfterItemListSeparator(text string) string {
+ exp := regexp.MustCompile(`(^\s*-)(\S)`)
+
+ return exp.ReplaceAllString(text, `$1 $2`)
+}
+
+func preFormatHeader(text string) string {
+ text = removeImageReference(text)
+ text = strings.TrimLeft(text, "# ")
+ text = removeBoldAndItalicTags(text)
+ text = unescapeCharacters(text)
+ text = it(text)
+
+ return text
+}
+
+func unescapeCharacters(text string) string {
+ text = strings.ReplaceAll(text, `\|`, "|")
+ text = strings.ReplaceAll(text, `\-`, "-")
+ text = strings.ReplaceAll(text, `\_`, "_")
+ text = strings.ReplaceAll(text, `\*`, "*")
+ text = strings.ReplaceAll(text, `\\`, `\`)
+ text = strings.ReplaceAll(text, `\#`, "#")
+ text = strings.ReplaceAll(text, `\.`, ".")
+ text = strings.ReplaceAll(text, `\>`, ">")
+ text = strings.ReplaceAll(text, `\<`, "<")
+ text = strings.ReplaceAll(text, "\\`", "`")
+ text = strings.ReplaceAll(text, "...", "…")
+ text = strings.ReplaceAll(text, `\(`, "(")
+
+ return text
+}
+
+func removeDoubleWhitespace(text string) string {
+ text = strings.ReplaceAll(text, " ", " ")
+
+ return text
+}
+
+func removeBoldAndItalicTags(text string) string {
+ text = strings.ReplaceAll(text, markdown.BoldStart, "")
+ text = strings.ReplaceAll(text, markdown.BoldStop, "")
+
+ text = strings.ReplaceAll(text, markdown.ItalicStart, "")
+ text = strings.ReplaceAll(text, markdown.ItalicStop, "")
+
+ return text
+}
+
+func trimLeadingZero(text string) string {
+ text = strings.ReplaceAll(text, indentLevel2+"01", indentLevel2+" 1")
+ text = strings.ReplaceAll(text, indentLevel2+"02", indentLevel2+" 2")
+ text = strings.ReplaceAll(text, indentLevel2+"03", indentLevel2+" 3")
+ text = strings.ReplaceAll(text, indentLevel2+"04", indentLevel2+" 4")
+ text = strings.ReplaceAll(text, indentLevel2+"05", indentLevel2+" 5")
+ text = strings.ReplaceAll(text, indentLevel2+"06", indentLevel2+" 6")
+ text = strings.ReplaceAll(text, indentLevel2+"07", indentLevel2+" 7")
+ text = strings.ReplaceAll(text, indentLevel2+"08", indentLevel2+" 8")
+ text = strings.ReplaceAll(text, indentLevel2+"09", indentLevel2+" 9")
+
+ return text
+}
+
+func highlightBackticks(text string) string {
+ magenta := "\u001B[35m"
+ italic := "\u001B[3m"
+ normal := "\u001B[0m"
+
+ backtick := "`"
+ numberOfBackticks := strings.Count(text, backtick)
+ numberOfBackticksIsOdd := numberOfBackticks%2 != 0
+
+ if numberOfBackticks == 0 || numberOfBackticksIsOdd {
+ return text
+ }
+
+ isOnFirstBacktick := true
+
+ for i := 0; i < numberOfBackticks+1; i++ {
+ if isOnFirstBacktick {
+ text = strings.Replace(text, backtick, codeStart, 1)
+ } else {
+ text = strings.Replace(text, backtick, codeEnd, 1)
+ }
+
+ isOnFirstBacktick = !isOnFirstBacktick
+ }
+
+ exp := regexp.MustCompile(`([\S])(\[CLX_CODE_START\])`)
+ text = exp.ReplaceAllString(text, `$1 $2`)
+
+ text = strings.ReplaceAll(text, "( "+codeStart, "("+codeStart)
+
+ text = strings.ReplaceAll(text, codeStart, normal+magenta+italic)
+ text = strings.ReplaceAll(text, codeEnd, normal)
+
+ return text
+}
+
+func replaceListPrefixes(text string) string {
+ lines := strings.Split(text, "\n")
+ output := ""
+
+ for _, line := range lines {
+ line = regexp.MustCompile(`^`+strings.Repeat(indentLevel1, 2)+"-").
+ ReplaceAllString(line, strings.Repeat(indentLevel1, 2)+"•")
+
+ line = regexp.MustCompile(`^`+strings.Repeat(indentLevel1, 3)+"-").
+ ReplaceAllString(line, strings.Repeat(indentLevel1, 3)+"◦")
+
+ line = regexp.MustCompile(`^`+strings.Repeat(indentLevel1, 4)+"-").
+ ReplaceAllString(line, strings.Repeat(indentLevel1, 4)+"▪")
+
+ line = regexp.MustCompile(`^`+strings.Repeat(indentLevel1, 5)+"-").
+ ReplaceAllString(line, strings.Repeat(indentLevel1, 5)+"▫")
+
+ output += line + "\n"
+ }
+
+ return output
+}
diff --git a/meta/meta.go b/meta/meta.go
@@ -0,0 +1,172 @@
+package meta
+
+import (
+ "fmt"
+ "strconv"
+
+ "git.figbert.com/clx-browser/constants/nerdfonts"
+
+ "git.figbert.com/clx-browser/comment"
+ "git.figbert.com/clx-browser/constants/unicode"
+ "git.figbert.com/clx-browser/item"
+ "git.figbert.com/clx-browser/settings"
+ "git.figbert.com/clx-browser/syntax"
+
+ text "github.com/MichaelMure/go-term-text"
+
+ . "github.com/logrusorgru/aurora/v3"
+
+ "github.com/charmbracelet/lipgloss"
+)
+
+const (
+ newLine = "\n"
+ newParagraph = "\n\n"
+)
+
+func GetReaderModeMetaBlock(title string, url string, lineWidth int) string {
+ style := lipgloss.NewStyle().
+ BorderStyle(lipgloss.RoundedBorder()).
+ PaddingLeft(1).
+ PaddingRight(1).
+ Width(lineWidth)
+
+ formattedTitle, _ := text.Wrap(Bold(title).String(), lineWidth)
+ formattedTitle = unicode.ZeroWidthSpace + newLine + formattedTitle
+ formattedURL := Blue(text.TruncateMax(url, lineWidth-2)).String()
+ info := newParagraph + Green("Reader Mode").String()
+
+ return formattedTitle + newParagraph + style.Render(formattedURL+info) + newParagraph
+}
+
+func GetCommentSectionMetaBlock(c *item.Item, config *settings.Config, newComments int) string {
+ columnWidth := config.CommentWidth/2 - 1
+ url := getURL(c.URL, c.Domain, config.CommentWidth)
+ rootComment := parseRootComment(c.Content, config)
+
+ style := lipgloss.NewStyle().
+ BorderStyle(lipgloss.RoundedBorder()).
+ PaddingLeft(1).
+ PaddingRight(1).
+ Width(config.CommentWidth)
+
+ leftColumn := lipgloss.NewStyle().
+ Width(columnWidth).
+ Align(lipgloss.Left)
+ leftColumnText := getAuthor(c.User, config.EnableNerdFonts) + " " + Faint(c.TimeAgo).String() + newLine +
+ getComments(c.CommentsCount, config.EnableNerdFonts) + getNewCommentsInfo(newComments, config.EnableNerdFonts)
+
+ rightColumn := lipgloss.NewStyle().
+ Width(columnWidth).
+ Align(lipgloss.Right)
+ rightColumnText := getID(c.ID, config.EnableNerdFonts) + newLine +
+ getScore(c.Points, config.EnableNerdFonts)
+
+ joined := lipgloss.JoinHorizontal(lipgloss.Left, leftColumn.Render(leftColumnText),
+ rightColumn.Render(rightColumnText))
+
+ return getHeadline(c.Title, config) + newParagraph + style.Render(url+joined+rootComment)
+}
+
+func getAuthor(author string, enableNerdFonts bool) string {
+ if enableNerdFonts {
+ authorLabel := fmt.Sprintf("%s %s", nerdfonts.Author, author)
+
+ return Red(authorLabel).String()
+ }
+
+ return fmt.Sprintf("by %s", Red(author).String())
+}
+
+func getComments(commentsCount int, enableNerdFonts bool) string {
+ comments := strconv.Itoa(commentsCount)
+
+ if enableNerdFonts {
+ commentsLabel := fmt.Sprintf("%s %s", nerdfonts.Comment, comments)
+
+ return Magenta(commentsLabel).String()
+ }
+
+ return fmt.Sprintf("%s comments", Magenta(comments).String())
+}
+
+func getScore(points int, enableNerdFonts bool) string {
+ score := strconv.Itoa(points)
+
+ if enableNerdFonts {
+ pointsLabel := fmt.Sprintf("%s %s", score, nerdfonts.Score)
+
+ return Yellow(pointsLabel).String()
+ }
+
+ return fmt.Sprintf("%s points", Yellow(score).String())
+}
+
+func getID(id int, enableNerdFonts bool) string {
+ if enableNerdFonts {
+ idLabel := fmt.Sprintf("%d %s", id, nerdfonts.Tag)
+
+ return Green(idLabel).Faint().String()
+ }
+
+ idLabel := fmt.Sprintf("ID %d", id)
+
+ return Green(idLabel).Faint().String()
+}
+
+func getNewCommentsInfo(newComments int, enableNerdFonts bool) string {
+ if newComments == 0 {
+ return ""
+ }
+
+ comments := strconv.Itoa(newComments)
+
+ if enableNerdFonts {
+ return fmt.Sprintf(" (%s)", Cyan(comments).String())
+ }
+
+ return fmt.Sprintf(" (%s new)", Cyan(comments).String())
+}
+
+func getHeadline(title string, config *settings.Config) string {
+ formattedTitle := highlightTitle(unicode.ZeroWidthSpace+" "+newLine+title, config.HighlightHeadlines,
+ config.EnableNerdFonts)
+ wrappedHeadline, _ := text.Wrap(formattedTitle, config.CommentWidth)
+
+ return wrappedHeadline
+}
+
+func highlightTitle(title string, highlightHeadlines bool, enableNerdFont bool) string {
+ highlightedTitle := title
+
+ if highlightHeadlines {
+ highlightedTitle = syntax.HighlightYCStartupsInHeadlines(highlightedTitle, syntax.HeadlineInCommentSection, enableNerdFont)
+ highlightedTitle = syntax.HighlightYear(highlightedTitle, syntax.HeadlineInCommentSection, enableNerdFont)
+ highlightedTitle = syntax.HighlightHackerNewsHeadlines(highlightedTitle, syntax.HeadlineInCommentSection)
+ highlightedTitle = syntax.HighlightSpecialContent(highlightedTitle, syntax.HeadlineInCommentSection, enableNerdFont)
+ }
+
+ return Bold(highlightedTitle).String()
+}
+
+func getURL(url string, domain string, lineWidth int) string {
+ if domain == "" {
+ return ""
+ }
+
+ truncatedURL := text.TruncateMax(url, lineWidth-2)
+ formattedURL := Blue(truncatedURL).String() + newLine
+
+ return formattedURL + newLine
+}
+
+func parseRootComment(c string, config *settings.Config) string {
+ if c == "" {
+ return ""
+ }
+
+ rootComment := comment.Print(c, config, config.CommentWidth-2, config.CommentWidth)
+ wrappedComment, _ := text.Wrap(rootComment, config.CommentWidth-2)
+
+ return newParagraph + wrappedComment
+}
diff --git a/reader/reader.go b/reader/reader.go
@@ -0,0 +1,111 @@
+package reader
+
+import (
+ "fmt"
+ "log"
+ "net/http"
+ "net/url"
+ "strings"
+ "time"
+
+ "git.figbert.com/clx-browser/markdown"
+ "git.figbert.com/clx-browser/markdown/preprocessor"
+
+ "github.com/JohannesKaufmann/html-to-markdown/plugin"
+
+ "github.com/PuerkitoBio/goquery"
+
+ md "github.com/JohannesKaufmann/html-to-markdown"
+
+ "github.com/go-shiori/go-readability"
+)
+
+func GetNew(url string) (string, error) {
+ art, httpErr := fetch(url)
+ if httpErr != nil {
+ return "", fmt.Errorf("could not fetch url: %w", httpErr)
+ }
+
+ href := md.Rule{
+ Filter: []string{"a"},
+ Replacement: func(content string, selec *goquery.Selection, opt *md.Options) *string {
+ // If the span element has not the classname `bb_strike` return nil.
+ // That way the next rules will apply. In this case the commonmark rules.
+ // -> return nil -> next rule applies
+ //if !selec.HasClass("href") {
+ // return nil
+ //}
+
+ // Trim spaces so that the following does NOT happen: `~ and cake~`.
+ // Because of the space it is not recognized as strikethrough.
+ // -> trim spaces at begin&end of string when inside strong/italic/...
+ content = strings.TrimSpace(content)
+ // return md.String("[" + content + "]")
+ return md.String(content)
+ },
+ }
+
+ italic := md.Rule{
+ Filter: []string{"i"},
+ Replacement: func(content string, selec *goquery.Selection, opt *md.Options) *string {
+ // If the span element has not the classname `bb_strike` return nil.
+ // That way the next rules will apply. In this case the commonmark rules.
+ // -> return nil -> next rule applies
+ //if !selec.HasClass("href") {
+ // return nil
+ //}
+
+ // Trim spaces so that the following does NOT happen: `~ and cake~`.
+ // Because of the space it is not recognized as strikethrough.
+ // -> trim spaces at begin&end of string when inside strong/italic/...
+ content = strings.TrimSpace(content)
+ return md.String(markdown.ItalicStart + content + markdown.ItalicStop)
+ },
+ }
+
+ opt := &md.Options{}
+ converter := md.NewConverter("", true, opt)
+ converter.AddRules(href)
+ converter.AddRules(italic)
+ converter.Use(plugin.Table())
+ // converter.AddRules(span)
+
+ art.Content = preprocessor.ConvertItalicTags(art.Content)
+ art.Content = preprocessor.ConvertBoldTags(art.Content)
+
+ markdown, err := converter.ConvertString(art.Content)
+ if err != nil {
+ log.Fatal(err)
+ }
+ // fmt.Println("md ->", markdown)
+
+ markdown = strings.ReplaceAll(markdown, "<span>", "")
+ markdown = strings.ReplaceAll(markdown, "</span>", "")
+
+ return markdown, nil
+}
+
+func fetch(rawURL string) (readability.Article, error) {
+ client := http.Client{
+ Timeout: 5 * time.Second,
+ }
+
+ response, err := client.Get(rawURL)
+ if err != nil {
+ return readability.Article{}, fmt.Errorf("could not fetch rawURL: %w", err)
+ }
+
+ defer response.Body.Close()
+
+ pageURL, urlErr := url.Parse(rawURL)
+ if urlErr != nil {
+ panic(urlErr)
+ }
+
+ art, readabilityErr := readability.FromReader(response.Body, pageURL)
+ if readabilityErr != nil {
+ return readability.Article{}, fmt.Errorf("could not fetch rawURL: %w", readabilityErr)
+ }
+
+ return art, nil
+}
diff --git a/screen/screen.go b/screen/screen.go
@@ -0,0 +1,39 @@
+package screen
+
+import (
+ terminal "github.com/wayneashleyberry/terminal-dimensions"
+)
+
+func GetTerminalHeight() int {
+ height, err := terminal.Height()
+ if err != nil {
+ panic("Could not determine terminal height")
+ }
+
+ return int(height)
+}
+
+func GetTerminalWidth() int {
+ width, err := terminal.Width()
+ if err != nil {
+ panic("Could not determine terminal width")
+ }
+
+ return int(width)
+}
+
+func GetSubmissionsToShow(screenHeight int, maxStories int) int {
+ topBarHeight := 2
+ footerHeight := 2
+ adjustedHeight := screenHeight - topBarHeight - footerHeight
+
+ return min(adjustedHeight/2, maxStories)
+}
+
+func min(x, y int) int {
+ if x > y {
+ return y
+ }
+
+ return x
+}
diff --git a/settings/core.go b/settings/core.go
@@ -0,0 +1,28 @@
+package settings
+
+type Config struct {
+ CommentWidth int
+ PlainHeadlines bool
+ HighlightHeadlines bool
+ HighlightComments bool
+ RelativeNumbering bool
+ EmojiSmileys bool
+ MarkAsRead bool
+ HideIndentSymbol bool
+ IndentationSymbol string
+ DebugMode bool
+ EnableNerdFonts bool
+}
+
+func New() *Config {
+ return &Config{
+ CommentWidth: 70,
+ HighlightHeadlines: true,
+ HighlightComments: true,
+ RelativeNumbering: false,
+ EmojiSmileys: true,
+ MarkAsRead: true,
+ HideIndentSymbol: false,
+ IndentationSymbol: " ▎",
+ }
+}
diff --git a/syntax/syntax.go b/syntax/syntax.go
@@ -0,0 +1,497 @@
+package syntax
+
+import (
+ "regexp"
+ "strings"
+
+ "git.figbert.com/clx-browser/constants/style"
+ "git.figbert.com/clx-browser/constants/unicode"
+ "github.com/charmbracelet/lipgloss"
+ "github.com/logrusorgru/aurora/v3"
+)
+
+const (
+ newParagraph = "\n\n"
+ reset = "\033[0m"
+ bold = "\033[1m"
+ reverse = "\033[7m"
+ italic = "\033[3m"
+ magenta = "\033[35m"
+ faint = "\033[2m"
+ green = "\033[32m"
+ red = "\033[31m"
+
+ Unselected = iota
+ HeadlineInCommentSection
+ Selected
+ MarkAsRead
+ AddToFavorites
+ RemoveFromFavorites
+)
+
+func HighlightYCStartupsInHeadlines(comment string, highlightType int, enableNerdFonts bool) string {
+ var expression *regexp.Regexp
+
+ if enableNerdFonts {
+ expression = regexp.MustCompile(`\((YC ([SW]\d{2}))\)`)
+
+ highlightedStartup := reset + getYCBarNerdFonts(``+unicode.NoBreakSpace+`$2`, highlightType, enableNerdFonts) +
+ getHighlight(highlightType)
+ return expression.ReplaceAllString(comment, highlightedStartup)
+ }
+
+ expression = regexp.MustCompile(`\((YC [SW]\d{2})\)`)
+ highlightedStartup := reset + getYCBar(`$1`, highlightType, enableNerdFonts) +
+ getHighlight(highlightType)
+
+ return expression.ReplaceAllString(comment, highlightedStartup)
+}
+
+func getYCBar(text string, highlightType int, enableNerdFonts bool) string {
+ switch highlightType {
+ case Selected:
+ return label(text, style.GetOrange(), lipgloss.Color("16"), highlightType, enableNerdFonts)
+
+ case MarkAsRead:
+ return label(text, lipgloss.Color("237"), style.GetOrangeFaint(), highlightType, enableNerdFonts)
+
+ default:
+ return label(text, lipgloss.Color("232"), style.GetOrange(), highlightType, enableNerdFonts)
+ }
+}
+
+func getYCBarNerdFonts(text string, highlightType int, enableNerdFonts bool) string {
+ switch highlightType {
+ case Selected:
+ return label(text, style.GetOrange(), lipgloss.Color("16"), highlightType, enableNerdFonts)
+
+ case MarkAsRead:
+ return label(text, lipgloss.Color("234"), style.GetOrangeFaint(), highlightType, enableNerdFonts)
+
+ default:
+ return label(text, lipgloss.Color("16"), style.GetOrange(), highlightType, enableNerdFonts)
+ }
+}
+
+func HighlightYear(comment string, highlightType int, enableNerdFonts bool) string {
+ expression := regexp.MustCompile(`\((\d{4})\)`)
+
+ content := getYear(`$1`, highlightType, enableNerdFonts)
+ return expression.ReplaceAllString(comment, reset+content+getHighlight(highlightType))
+}
+
+func getYear(text string, highlightType int, enableNerdFont bool) string {
+ switch highlightType {
+ case Selected:
+ return label(text, lipgloss.AdaptiveColor{Light: "16", Dark: "16"}, lipgloss.AdaptiveColor{Light: "27", Dark: "214"}, highlightType, enableNerdFont)
+
+ case MarkAsRead:
+ return label(text, lipgloss.AdaptiveColor{Light: "39", Dark: "94"}, style.GetHeaderBg(), highlightType, enableNerdFont)
+
+ default:
+ return label(text, lipgloss.AdaptiveColor{Light: "27", Dark: "214"}, style.GetLogoBg(), highlightType, enableNerdFont)
+ }
+}
+
+func label(text string, fg lipgloss.TerminalColor, bg lipgloss.TerminalColor, highlightType int, enableNerdFonts bool) string {
+ content := lipgloss.NewStyle().
+ Foreground(fg).
+ Background(bg)
+
+ border := lipgloss.NewStyle().
+ Foreground(bg)
+
+ if highlightType == Selected {
+ border.
+ Foreground(lipgloss.NoColor{}).
+ Background(bg).
+ Reverse(true)
+ }
+
+ if highlightType == MarkAsRead {
+ content.Italic(true)
+ }
+
+ if highlightType == HeadlineInCommentSection {
+ content.Bold(true)
+ }
+
+ return reset +
+ getLeftBorder(bg, highlightType, enableNerdFonts) +
+ content.Render(text) +
+ getRightBorder(bg, highlightType, enableNerdFonts)
+}
+
+func getLeftBorder(bg lipgloss.TerminalColor, highlightType int, enableNerdFonts bool) string {
+ if enableNerdFonts {
+ borderStyle := getBorderStyle(bg, highlightType, enableNerdFonts)
+ return borderStyle.Render("")
+ }
+
+ borderStyle := getBorderStyle(bg, highlightType, enableNerdFonts)
+ return borderStyle.Render(" ")
+}
+
+func getRightBorder(bg lipgloss.TerminalColor, highlightType int, enableNerdFonts bool) string {
+ if enableNerdFonts {
+ borderStyle := getBorderStyle(bg, highlightType, enableNerdFonts)
+ return borderStyle.Render("")
+ }
+
+ borderStyle := getBorderStyle(bg, highlightType, enableNerdFonts)
+ return borderStyle.Render(" ")
+}
+
+func getBorderStyle(bg lipgloss.TerminalColor, highlightType int, enableNerdFonts bool) lipgloss.Style {
+ if !enableNerdFonts {
+ return lipgloss.NewStyle().
+ Background(bg)
+ }
+
+ if highlightType == Selected {
+ return lipgloss.NewStyle().
+ Foreground(lipgloss.NoColor{}).
+ Background(bg).
+ Reverse(true)
+ }
+
+ return lipgloss.NewStyle().
+ Foreground(bg)
+}
+
+func HighlightHackerNewsHeadlines(title string, highlightType int) string {
+ askHN := "Ask HN:"
+ showHN := "Show HN:"
+ tellHN := "Tell HN:"
+ thankHN := "Thank HN:"
+ launchHN := "Launch HN:"
+
+ highlight := getHighlight(highlightType)
+
+ title = strings.ReplaceAll(title, askHN, aurora.Blue(askHN).String()+highlight)
+ title = strings.ReplaceAll(title, showHN, aurora.Red(showHN).String()+highlight)
+ title = strings.ReplaceAll(title, tellHN, aurora.Magenta(tellHN).String()+highlight)
+ title = strings.ReplaceAll(title, thankHN, aurora.Cyan(thankHN).String()+highlight)
+ title = strings.ReplaceAll(title, launchHN, aurora.Green(launchHN).String()+highlight)
+
+ return title
+}
+
+func getHighlight(highlightType int) string {
+ switch highlightType {
+ case HeadlineInCommentSection:
+ return bold
+ case Selected:
+ return reverse
+ case MarkAsRead:
+ return faint + italic
+ case AddToFavorites:
+ return green + reverse
+ case RemoveFromFavorites:
+ return red + reverse
+ default:
+ return ""
+ }
+}
+
+func HighlightSpecialContent(title string, highlightType int, enableNerdFonts bool) string {
+ highlight := getHighlight(highlightType)
+
+ if enableNerdFonts {
+ title = strings.ReplaceAll(title, "[audio]", getSpecialContentRoundedBar("", highlightType, enableNerdFonts)+highlight)
+ title = strings.ReplaceAll(title, "[video]", getSpecialContentRoundedBar("", highlightType, enableNerdFonts)+highlight)
+ title = strings.ReplaceAll(title, "[pdf]", getSpecialContentRoundedBar("", highlightType, enableNerdFonts)+highlight)
+ title = strings.ReplaceAll(title, "[PDF]", getSpecialContentRoundedBar("", highlightType, enableNerdFonts)+highlight)
+
+ return title
+ }
+
+ title = strings.ReplaceAll(title, "[audio]", aurora.Cyan("audio").String()+highlight)
+ title = strings.ReplaceAll(title, "[video]", aurora.Cyan("video").String()+highlight)
+ title = strings.ReplaceAll(title, "[pdf]", aurora.Cyan("pdf").String()+highlight)
+ title = strings.ReplaceAll(title, "[PDF]", aurora.Cyan("PDF").String()+highlight)
+
+ return title
+}
+
+func getSpecialContentRoundedBar(text string, highlightType int, enableNerdFonts bool) string {
+ switch highlightType {
+ case Selected:
+ return label(text, lipgloss.Color("4"), lipgloss.AdaptiveColor{Light: "255", Dark: "16"}, highlightType, enableNerdFonts)
+
+ case MarkAsRead:
+ return label(text, style.GetUnselectedItemFg(), style.GetHeaderBg(), highlightType, enableNerdFonts)
+
+ default:
+ return label(text, lipgloss.AdaptiveColor{Light: "255", Dark: "16"}, lipgloss.Color("4"), highlightType, enableNerdFonts)
+ }
+}
+
+func ConvertSmileys(text string) string {
+ text = replaceBetweenWhitespace(text, `:)`, "😊")
+ text = replaceBetweenWhitespace(text, `(:`, "😊")
+ text = replaceBetweenWhitespace(text, `:-)`, "😊")
+ text = replaceBetweenWhitespace(text, `:D`, "😄")
+ text = replaceBetweenWhitespace(text, `=)`, "😃")
+ text = replaceBetweenWhitespace(text, `=D`, "😃")
+ text = replaceBetweenWhitespace(text, `;)`, "😉")
+ text = replaceBetweenWhitespace(text, `;-)`, "😉")
+ text = replaceBetweenWhitespace(text, `:P`, "😜")
+ text = replaceBetweenWhitespace(text, `;P`, "😜")
+ text = replaceBetweenWhitespace(text, `:o`, "😮")
+ text = replaceBetweenWhitespace(text, `:O`, "😮")
+ text = replaceBetweenWhitespace(text, `:(`, "😔")
+ text = replaceBetweenWhitespace(text, `:-(`, "😔")
+ text = replaceBetweenWhitespace(text, `:/`, "😕")
+ text = replaceBetweenWhitespace(text, `:-/`, "😕")
+ text = replaceBetweenWhitespace(text, `-_-`, "😑")
+ text = replaceBetweenWhitespace(text, `:|`, "😐")
+
+ return text
+}
+
+func replaceBetweenWhitespace(text string, target string, replacement string) string {
+ if text == target {
+ return replacement
+ }
+
+ return strings.ReplaceAll(text, " "+target, " "+replacement)
+}
+
+func RemoveUnwantedNewLines(text string) string {
+ exp := regexp.MustCompile(`([\w\W[:cntrl:]])(\n)([a-zA-Z0-9" \-<[:cntrl:]…])`)
+
+ return exp.ReplaceAllString(text, `$1`+" "+`$3`)
+}
+
+func RemoveUnwantedWhitespace(text string) string {
+ singleSpace := " "
+ doubleSpace := " "
+ tripleSpace := " "
+
+ text = strings.ReplaceAll(text, tripleSpace, singleSpace)
+ text = strings.ReplaceAll(text, doubleSpace, singleSpace)
+
+ return text
+}
+
+func HighlightDomain(domain string) string {
+ if domain == "" {
+ return reset
+ }
+
+ return reset + aurora.Faint("("+domain+")").String()
+}
+
+func HighlightReferences(input string) string {
+ input = strings.ReplaceAll(input, "[0]", "["+aurora.White("0").String()+"]")
+ input = strings.ReplaceAll(input, "[1]", "["+aurora.Red("1").String()+"]")
+ input = strings.ReplaceAll(input, "[2]", "["+aurora.Yellow("2").String()+"]")
+ input = strings.ReplaceAll(input, "[3]", "["+aurora.Green("3").String()+"]")
+ input = strings.ReplaceAll(input, "[4]", "["+aurora.Blue("4").String()+"]")
+ input = strings.ReplaceAll(input, "[5]", "["+aurora.Cyan("5").String()+"]")
+ input = strings.ReplaceAll(input, "[6]", "["+aurora.Magenta("6").String()+"]")
+ input = strings.ReplaceAll(input, "[7]", "["+aurora.BrightWhite("7").String()+"]")
+ input = strings.ReplaceAll(input, "[8]", "["+aurora.BrightRed("8").String()+"]")
+ input = strings.ReplaceAll(input, "[9]", "["+aurora.BrightYellow("9").String()+"]")
+ input = strings.ReplaceAll(input, "[10]", "["+aurora.BrightGreen("10").String()+"]")
+
+ return input
+}
+
+func ColorizeIndentSymbol(indentSymbol string, level int) string {
+ switch level {
+ case 0:
+ indentSymbol = ""
+ case 1:
+ indentSymbol = aurora.Red(indentSymbol).String()
+ case 2:
+ indentSymbol = aurora.Yellow(indentSymbol).String()
+ case 3:
+ indentSymbol = aurora.Green(indentSymbol).String()
+ case 4:
+ indentSymbol = aurora.Cyan(indentSymbol).String()
+ case 5:
+ indentSymbol = aurora.Blue(indentSymbol).String()
+ case 6:
+ indentSymbol = aurora.Magenta(indentSymbol).String()
+ case 7:
+ indentSymbol = aurora.BrightRed(indentSymbol).String()
+ case 8:
+ indentSymbol = aurora.BrightYellow(indentSymbol).String()
+ case 9:
+ indentSymbol = aurora.BrightGreen(indentSymbol).String()
+ case 10:
+ indentSymbol = aurora.BrightCyan(indentSymbol).String()
+ case 11:
+ indentSymbol = aurora.BrightBlue(indentSymbol).String()
+ case 12:
+ indentSymbol = aurora.BrightMagenta(indentSymbol).String()
+ case 13:
+ indentSymbol = aurora.Red(indentSymbol).String()
+ case 14:
+ indentSymbol = aurora.Yellow(indentSymbol).String()
+ case 15:
+ indentSymbol = aurora.Green(indentSymbol).String()
+ case 16:
+ indentSymbol = aurora.Cyan(indentSymbol).String()
+ case 17:
+ indentSymbol = aurora.Blue(indentSymbol).String()
+ case 18:
+ indentSymbol = aurora.Magenta(indentSymbol).String()
+ }
+
+ return reset + indentSymbol
+}
+
+func TrimURLs(comment string, highlightComment bool) string {
+ expression := regexp.MustCompile(`<a href=".*?" rel="nofollow">`)
+
+ if !highlightComment {
+ return expression.ReplaceAllString(comment, "")
+ }
+
+ comment = expression.ReplaceAllString(comment, "")
+
+ e := regexp.MustCompile(`https?://([^,"\) \n]+)`)
+ comment = e.ReplaceAllString(comment, aurora.Blue(`$1`).String())
+
+ comment = strings.ReplaceAll(comment, "."+reset+" ", reset+". ")
+
+ return comment
+}
+
+func HighlightBackticks(input string) string {
+ backtick := "`"
+ numberOfBackticks := strings.Count(input, backtick)
+ numberOfBackticksIsOdd := numberOfBackticks%2 != 0
+
+ if numberOfBackticks == 0 || numberOfBackticksIsOdd {
+ return input
+ }
+
+ isOnFirstBacktick := true
+
+ for i := 0; i < numberOfBackticks+1; i++ {
+ if isOnFirstBacktick {
+ input = strings.Replace(input, backtick, italic+magenta, 1)
+ } else {
+ input = strings.Replace(input, backtick, reset, 1)
+ }
+
+ isOnFirstBacktick = !isOnFirstBacktick
+ }
+
+ return input
+}
+
+func HighlightMentions(input string) string {
+ exp := regexp.MustCompile(`((?:^| )\B@[\w.]+)`)
+ input = exp.ReplaceAllString(input, aurora.Yellow(`$1`).String())
+
+ input = strings.ReplaceAll(input, aurora.Yellow("@dang").String(),
+ aurora.Green("@dang").String())
+ input = strings.ReplaceAll(input, aurora.Yellow(" @dang").String(),
+ aurora.Green(" @dang").String())
+
+ return input
+}
+
+func HighlightVariables(input string) string {
+ // Highlighting variables inside commands marked with backticks
+ // messes with the formatting. If there are both backticks and variables
+ // in the comment, we give priority to the backticks.
+ numberOfBackticks := strings.Count(input, "`")
+ if numberOfBackticks > 0 {
+ return input
+ }
+
+ exp := regexp.MustCompile(`(\$+[a-zA-Z_\-]+)`)
+
+ return exp.ReplaceAllString(input, aurora.Cyan(`$1`).String())
+}
+
+func HighlightAbbreviations(input string) string {
+ iAmNotALawyer := "IANAL"
+ iAmALawyer := "IAAL"
+
+ input = strings.ReplaceAll(input, iAmNotALawyer, aurora.Red(iAmNotALawyer).String())
+ input = strings.ReplaceAll(input, iAmALawyer, aurora.Green(iAmALawyer).String())
+
+ return input
+}
+
+func ReplaceCharacters(input string) string {
+ input = strings.ReplaceAll(input, "'", "'")
+ input = strings.ReplaceAll(input, ">", ">")
+ input = strings.ReplaceAll(input, "<", "<")
+ input = strings.ReplaceAll(input, "/", "/")
+ input = strings.ReplaceAll(input, """, `"`)
+ input = strings.ReplaceAll(input, """, `"`)
+ input = strings.ReplaceAll(input, "&", "&")
+
+ return input
+}
+
+func ReplaceHTML(input string) string {
+ input = strings.Replace(input, "<p>", "", 1)
+
+ input = strings.ReplaceAll(input, "<p>", newParagraph)
+ input = strings.ReplaceAll(input, "<i>", italic)
+ input = strings.ReplaceAll(input, "</i>", reset)
+ input = strings.ReplaceAll(input, "</a>", "")
+ input = strings.ReplaceAll(input, "<pre><code>", "")
+ input = strings.ReplaceAll(input, "</code></pre>", "")
+
+ return input
+}
+
+func ReplaceSymbols(paragraph string) string {
+ paragraph = strings.ReplaceAll(paragraph, "...", "…")
+ paragraph = strings.ReplaceAll(paragraph, "CO2", "CO₂")
+
+ paragraph = replaceDoubleDashesWithEmDash(paragraph)
+ paragraph = convertFractions(paragraph)
+
+ return paragraph
+}
+
+func replaceDoubleDashesWithEmDash(paragraph string) string {
+ paragraph = strings.ReplaceAll(paragraph, " -- ", " — ")
+
+ exp := regexp.MustCompile(`([a-zA-Z])--([a-zA-Z])`)
+
+ return exp.ReplaceAllString(paragraph, `$1`+"—"+`$2`)
+}
+
+func convertFractions(text string) string {
+ text = strings.ReplaceAll(text, " 1/2", " ½")
+ text = strings.ReplaceAll(text, " 1/3", " ⅓")
+ text = strings.ReplaceAll(text, " 2/3", " ⅔")
+ text = strings.ReplaceAll(text, " 1/4", " ¼")
+ text = strings.ReplaceAll(text, " 3/4", " ¾")
+ text = strings.ReplaceAll(text, " 1/5", " ⅕")
+ text = strings.ReplaceAll(text, " 2/5", " ⅖")
+ text = strings.ReplaceAll(text, " 3/5", " ⅗")
+ text = strings.ReplaceAll(text, " 4/5", " ⅘")
+ text = strings.ReplaceAll(text, " 1/6", " ⅙")
+ text = strings.ReplaceAll(text, " 1/10", " ⅒ ")
+
+ text = strings.ReplaceAll(text, "1/2 ", "½ ")
+ text = strings.ReplaceAll(text, "1/3 ", "⅓ ")
+ text = strings.ReplaceAll(text, "2/3 ", "⅔ ")
+ text = strings.ReplaceAll(text, "1/4 ", "¼ ")
+ text = strings.ReplaceAll(text, "3/4 ", "¾ ")
+ text = strings.ReplaceAll(text, "1/5 ", "⅕ ")
+ text = strings.ReplaceAll(text, "2/5 ", "⅖ ")
+ text = strings.ReplaceAll(text, "3/5 ", "⅗ ")
+ text = strings.ReplaceAll(text, "4/5 ", "⅘ ")
+ text = strings.ReplaceAll(text, "1/6 ", "⅙ ")
+ text = strings.ReplaceAll(text, "1/10 ", "⅒ ")
+
+ text = strings.ReplaceAll(text, "1/5th", "⅕th")
+ text = strings.ReplaceAll(text, "1/6th", "⅙th")
+ text = strings.ReplaceAll(text, "1/10th", "⅒ th")
+
+ return text
+}
diff --git a/utils/http/fetcher.go b/utils/http/fetcher.go
@@ -0,0 +1,57 @@
+package http
+
+import (
+ "fmt"
+ "strconv"
+ "time"
+
+ "clx/app"
+ "clx/constants/category"
+ "clx/endpoints"
+
+ "github.com/go-resty/resty/v2"
+)
+
+const (
+ baseURL = "http://api.hackerwebapp.com/"
+ page = "?page="
+)
+
+func FetchStories(page int, category int) ([]*endpoints.Story, error) {
+ url := getURL(category)
+ p := strconv.Itoa(page)
+
+ var s []*endpoints.Story
+
+ client := resty.New()
+ client.SetTimeout(5 * time.Second)
+
+ _, err := client.R().
+ SetHeader("User-Agent", app.Name+"/"+app.Version).
+ SetResult(&s).
+ Get(url + p)
+ if err != nil {
+ return nil, fmt.Errorf("could not fetch stories: %w", err)
+ }
+
+ return s, nil
+}
+
+func getURL(cat int) string {
+ switch cat {
+ case category.FrontPage:
+ return baseURL + "news" + page
+
+ case category.New:
+ return baseURL + "newest" + page
+
+ case category.Ask:
+ return baseURL + "ask" + page
+
+ case category.Show:
+ return baseURL + "show" + page
+
+ default:
+ return ""
+ }
+}
diff --git a/utils/strip-ansi/strip-ansi.go b/utils/strip-ansi/strip-ansi.go
@@ -0,0 +1,14 @@
+package stripansi
+
+import (
+ "regexp"
+)
+
+const ansi = "[\u001B\u009B][[\\]()#;?]*(?:(?:(?:[a-zA-Z\\d]*(?:;[a-zA-Z\\d]*)*)?\u0007)|" +
+ "(?:(?:\\d{1,4}(?:;\\d{0,4})*)?[\\dA-PRZcf-ntqry=><~]))"
+
+func Strip(text string) string {
+ expression := regexp.MustCompile(ansi)
+
+ return expression.ReplaceAllString(text, "")
+}
