Strikethrough parsing
This commit is contained in:
+5
-2
@@ -3,9 +3,12 @@
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Lorem ipsum dolor sit amet, consectetur adipiscing elit. Nam blandit dolor nibh, vitae tempor enim pretium non. Sed in condimentum turpis. Vivamus placerat molestie ullamcorper. Maecenas nec risus nibh. Nullam vel vestibulum sapien. Integer ante erat, aliquam id tellus in, malesuada finibus nunc. Sed porttitor ante orci, eget molestie nibh posuere nec.
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^[Link on the right](http://example.com) >>
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#[Link on the right](http://example.com) >>
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(http://example.com)[Example.com]^ <<
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^[Link to nekoweb.org in the middle](https://n0va.nekoweb.org) ^^
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#[Link to nekoweb.org in the middle](https://n0va.nekoweb.org) ^^
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#[https://krzak.org]
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#(https://krzak.org)
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^ Links with no alt text
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#[https://krzak.org/krzak-icon.png]
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@@ -2,7 +2,9 @@
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input=$(cat -)
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input="${input#odin run src/}"
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style="<style>$(cat styles.css)</style>"
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start="<html><head><title>TypoML Preview</title>$style</head><body>"
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doctype='<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">'
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meta='<meta http-equiv="Content-Type" content="text/html; charset=utf-8">'
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start="$doctype<html><head><title>TypoML Preview</title>$meta$style</head><body>"
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end="</body></html>"
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output="$start$input$end"
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echo "$output" > /tmp/preview.html
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+54
-26
@@ -52,63 +52,85 @@ parse_header :: proc(line: string) -> (int, string) {
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return lvl, line[lvl + 1:]
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}
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pass_through_children :: proc(token: ^Token) {
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StyleToggle :: struct {
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amount: int,
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type: TokenType,
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}
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parse_inline_style :: proc(token: ^Token, symbol: byte, toggles: []StyleToggle) {
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if token.children != nil {
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for child in token.children {
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pass_through_children(child)
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for i := 0; i < len(token.children); i += 1 {
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parse_inline_style(token.children[i], symbol, toggles)
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}
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}
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if token.type == TokenType.Text {
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if token.type == .Text {
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str, ok := token.value.(string)
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if !ok || !strings.contains(str, "*") {
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if !ok {
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return
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}
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symbol_found := false
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for i := 0; i < len(str); i += 1 {
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if str[i] == symbol {
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symbol_found = true
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break
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}
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}
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if !symbol_found {
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return
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}
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token.value = nil
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is_bold := false
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is_italic := false
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active_styles: [256]bool
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current_node := token
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i := 0
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start := 0
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for i < len(str) {
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if str[i] == '*' {
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if str[i] == symbol {
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if i > start {
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push_token(current_node, TokenType.Text, str[start:i])
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}
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asterisks := 0
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for i < len(str) && str[i] == '*' {
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asterisks += 1
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count := 0
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symbol_start := i
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for i < len(str) && str[i] == symbol {
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count += 1
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i += 1
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}
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for asterisks >= 3 {
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is_bold = !is_bold
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is_italic = !is_italic
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asterisks -= 3
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for count > 0 {
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matched := false
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for toggle in toggles {
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if count >= toggle.amount {
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active_styles[int(toggle.type)] = !active_styles[int(toggle.type)]
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count -= toggle.amount
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matched = true
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break
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}
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}
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if !matched {
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push_token(
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current_node,
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TokenType.Text,
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str[symbol_start:symbol_start + count],
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)
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count = 0
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break
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}
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if asterisks == 2 {
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is_bold = !is_bold
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} else if asterisks == 1 {
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is_italic = !is_italic
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}
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current_node = token
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if is_bold {
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for toggle in toggles {
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if active_styles[int(toggle.type)] {
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last :=
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current_node.children[len(current_node.children) - 1] if len(current_node.children) > 0 else nil
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current_node =
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last if last != nil && last.type == .Bold else push_token(current_node, TokenType.Bold, nil)
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last if last != nil && last.type == toggle.type else push_token(current_node, toggle.type, nil)
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}
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if is_italic {
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last :=
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current_node.children[len(current_node.children) - 1] if len(current_node.children) > 0 else nil
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current_node =
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last if last != nil && last.type == .Italics else push_token(current_node, TokenType.Italics, nil)
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}
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start = i
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@@ -123,6 +145,12 @@ pass_through_children :: proc(token: ^Token) {
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}
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}
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pass_through_children :: proc(token: ^Token) {
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parse_inline_style(token, '*', []StyleToggle{{2, .Bold}, {1, .Italics}})
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parse_inline_style(token, '~', []StyleToggle{{2, .Strikethrough}})
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parse_inline_style(token, '-', []StyleToggle{{2, .Strikethrough}})
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}
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add_breaklines :: proc(token: ^Token) {
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if token.children == nil {
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return
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+4
-3
@@ -3,7 +3,7 @@ body {
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color: #e0e0e0;
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background: #1a1a1a;
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margin: 2em auto;
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max-width: 750px;
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width: 750px;
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padding: 1em 2em;
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line-height: 1.8;
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font-size: 18px;
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@@ -19,7 +19,8 @@ pre {
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background: #2a2a2a;
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border: 1px solid #444;
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padding: 1em;
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overflow: auto;
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white-space: pre-wrap;
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word-wrap: break-word;
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}
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code {
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font-family: "Courier New", Courier, monospace;
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@@ -40,7 +41,7 @@ a:hover {
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color: #ff1493;
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}
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table {
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border-collapse: collapse;
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border-spacing: 0;
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width: 100%;
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margin-bottom: 1em;
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}
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