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Diffstat (limited to 'packages/markdown-it-14.1.0/lib/rules_block/state_block.mjs')
| -rw-r--r-- | packages/markdown-it-14.1.0/lib/rules_block/state_block.mjs | 220 |
1 files changed, 0 insertions, 220 deletions
diff --git a/packages/markdown-it-14.1.0/lib/rules_block/state_block.mjs b/packages/markdown-it-14.1.0/lib/rules_block/state_block.mjs deleted file mode 100644 index 3c2a876..0000000 --- a/packages/markdown-it-14.1.0/lib/rules_block/state_block.mjs +++ /dev/null @@ -1,220 +0,0 @@ -// Parser state class - -import Token from '../token.mjs' -import { isSpace } from '../common/utils.mjs' - -function StateBlock (src, md, env, tokens) { - this.src = src - - // link to parser instance - this.md = md - - this.env = env - - // - // Internal state vartiables - // - - this.tokens = tokens - - this.bMarks = [] // line begin offsets for fast jumps - this.eMarks = [] // line end offsets for fast jumps - this.tShift = [] // offsets of the first non-space characters (tabs not expanded) - this.sCount = [] // indents for each line (tabs expanded) - - // An amount of virtual spaces (tabs expanded) between beginning - // of each line (bMarks) and real beginning of that line. - // - // It exists only as a hack because blockquotes override bMarks - // losing information in the process. - // - // It's used only when expanding tabs, you can think about it as - // an initial tab length, e.g. bsCount=21 applied to string `\t123` - // means first tab should be expanded to 4-21%4 === 3 spaces. - // - this.bsCount = [] - - // block parser variables - - // required block content indent (for example, if we are - // inside a list, it would be positioned after list marker) - this.blkIndent = 0 - this.line = 0 // line index in src - this.lineMax = 0 // lines count - this.tight = false // loose/tight mode for lists - this.ddIndent = -1 // indent of the current dd block (-1 if there isn't any) - this.listIndent = -1 // indent of the current list block (-1 if there isn't any) - - // can be 'blockquote', 'list', 'root', 'paragraph' or 'reference' - // used in lists to determine if they interrupt a paragraph - this.parentType = 'root' - - this.level = 0 - - // Create caches - // Generate markers. - const s = this.src - - for (let start = 0, pos = 0, indent = 0, offset = 0, len = s.length, indent_found = false; pos < len; pos++) { - const ch = s.charCodeAt(pos) - - if (!indent_found) { - if (isSpace(ch)) { - indent++ - - if (ch === 0x09) { - offset += 4 - offset % 4 - } else { - offset++ - } - continue - } else { - indent_found = true - } - } - - if (ch === 0x0A || pos === len - 1) { - if (ch !== 0x0A) { pos++ } - this.bMarks.push(start) - this.eMarks.push(pos) - this.tShift.push(indent) - this.sCount.push(offset) - this.bsCount.push(0) - - indent_found = false - indent = 0 - offset = 0 - start = pos + 1 - } - } - - // Push fake entry to simplify cache bounds checks - this.bMarks.push(s.length) - this.eMarks.push(s.length) - this.tShift.push(0) - this.sCount.push(0) - this.bsCount.push(0) - - this.lineMax = this.bMarks.length - 1 // don't count last fake line -} - -// Push new token to "stream". -// -StateBlock.prototype.push = function (type, tag, nesting) { - const token = new Token(type, tag, nesting) - token.block = true - - if (nesting < 0) this.level-- // closing tag - token.level = this.level - if (nesting > 0) this.level++ // opening tag - - this.tokens.push(token) - return token -} - -StateBlock.prototype.isEmpty = function isEmpty (line) { - return this.bMarks[line] + this.tShift[line] >= this.eMarks[line] -} - -StateBlock.prototype.skipEmptyLines = function skipEmptyLines (from) { - for (let max = this.lineMax; from < max; from++) { - if (this.bMarks[from] + this.tShift[from] < this.eMarks[from]) { - break - } - } - return from -} - -// Skip spaces from given position. -StateBlock.prototype.skipSpaces = function skipSpaces (pos) { - for (let max = this.src.length; pos < max; pos++) { - const ch = this.src.charCodeAt(pos) - if (!isSpace(ch)) { break } - } - return pos -} - -// Skip spaces from given position in reverse. -StateBlock.prototype.skipSpacesBack = function skipSpacesBack (pos, min) { - if (pos <= min) { return pos } - - while (pos > min) { - if (!isSpace(this.src.charCodeAt(--pos))) { return pos + 1 } - } - return pos -} - -// Skip char codes from given position -StateBlock.prototype.skipChars = function skipChars (pos, code) { - for (let max = this.src.length; pos < max; pos++) { - if (this.src.charCodeAt(pos) !== code) { break } - } - return pos -} - -// Skip char codes reverse from given position - 1 -StateBlock.prototype.skipCharsBack = function skipCharsBack (pos, code, min) { - if (pos <= min) { return pos } - - while (pos > min) { - if (code !== this.src.charCodeAt(--pos)) { return pos + 1 } - } - return pos -} - -// cut lines range from source. -StateBlock.prototype.getLines = function getLines (begin, end, indent, keepLastLF) { - if (begin >= end) { - return '' - } - - const queue = new Array(end - begin) - - for (let i = 0, line = begin; line < end; line++, i++) { - let lineIndent = 0 - const lineStart = this.bMarks[line] - let first = lineStart - let last - - if (line + 1 < end || keepLastLF) { - // No need for bounds check because we have fake entry on tail. - last = this.eMarks[line] + 1 - } else { - last = this.eMarks[line] - } - - while (first < last && lineIndent < indent) { - const ch = this.src.charCodeAt(first) - - if (isSpace(ch)) { - if (ch === 0x09) { - lineIndent += 4 - (lineIndent + this.bsCount[line]) % 4 - } else { - lineIndent++ - } - } else if (first - lineStart < this.tShift[line]) { - // patched tShift masked characters to look like spaces (blockquotes, list markers) - lineIndent++ - } else { - break - } - - first++ - } - - if (lineIndent > indent) { - // partially expanding tabs in code blocks, e.g '\t\tfoobar' - // with indent=2 becomes ' \tfoobar' - queue[i] = new Array(lineIndent - indent + 1).join(' ') + this.src.slice(first, last) - } else { - queue[i] = this.src.slice(first, last) - } - } - - return queue.join('') -} - -// re-export Token class to use in block rules -StateBlock.prototype.Token = Token - -export default StateBlock |