tiny.zen.renderCode

1pub fn render(2    allocator: Allocator,3    out: *std.ArrayList(u8),4    info_text: []const u8,5    source: []const u8,6    options: Options,7) !void {8    const info = parseInfo(info_text);9    const anchors = optionValue(info_text, "anchors") orelse "";10    const exact_source = hasOption(info_text, "source", "exact");11    const wide = exact_source or hasOption(info_text, "role", "wide");12    try out.appendSlice(allocator, "<div class=\"zen-code-block");13    if (options.word_wrap) {14        try out.appendSlice(allocator, " zen-code-wrap");15    } else {16        try out.appendSlice(allocator, " zen-code-nowrap");17    }18    if (!options.line_numbers) try out.appendSlice(allocator, " zen-code-no-lines");19    if (exact_source) {20        try out.appendSlice(allocator, " zen-source-listing zen-role-wide");21    } else if (wide) {22        try out.appendSlice(allocator, " zen-code-longform zen-role-wide");23    } else {24        try out.appendSlice(allocator, " zen-code-example zen-role-reading");25    }26    try out.append(allocator, '"');27    if (info.language.len != 0) {28        try out.appendSlice(allocator, " data-language=\"");29        try html.appendAttributeEscaped(out, allocator, info.language);30        try out.append(allocator, '"');31    }32    if (exact_source) {33        try out.appendSlice(allocator, " data-source=\"exact\"");34    }35    try out.append(allocator, '>');36    if ((options.titles and info.title.len != 0) or (options.language_labels and info.language.len != 0)) {37        try out.appendSlice(allocator, "<div class=\"zen-code-header\">");38        if (options.titles and info.title.len != 0) {39            try out.appendSlice(allocator, "<span class=\"zen-code-title\">");40            try html.appendEscaped(out, allocator, info.title);41            try out.appendSlice(allocator, "</span>");42        }43        if (options.language_labels and info.language.len != 0) {44            try out.appendSlice(allocator, "<span class=\"zen-code-language\">");45            try html.appendEscaped(out, allocator, info.language);46            try out.appendSlice(allocator, "</span>");47        }48        try out.appendSlice(allocator, "</div>");49    }50    try out.appendSlice(allocator, "<pre class=\"zen-code\"><code");51    if (info.language.len != 0) {52        try out.appendSlice(allocator, " class=\"language-");53        try html.appendAttributeEscaped(out, allocator, info.language);54        try out.append(allocator, '"');55    }56    try out.append(allocator, '>');57    try appendLines(allocator, out, info.language, source, anchors, options);58    try out.appendSlice(allocator, "</code></pre></div>\n");59}

1/// Appends escaped, optionally highlighted code-block HTML to caller-owned output.2pub const renderCode = code.render;