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Remove nptable tokenizer #2126

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Remove nptable tokenizer #2126

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a7a6051
Remove nptable tokenizer
calculuschild Jul 2, 2021
79cde34
Remove rules.js for nptable
calculuschild Jul 3, 2021
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7 changes: 0 additions & 7 deletions src/Lexer.js
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Expand Up @@ -176,13 +176,6 @@ module.exports = class Lexer {
continue;
}

// table no leading pipe (gfm)
if (token = this.tokenizer.nptable(src)) {
src = src.substring(token.raw.length);
tokens.push(token);
continue;
}

// hr
if (token = this.tokenizer.hr(src)) {
src = src.substring(token.raw.length);
Expand Down
40 changes: 1 addition & 39 deletions src/Tokenizer.js
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Expand Up @@ -134,42 +134,6 @@ module.exports = class Tokenizer {
}
}

nptable(src) {
const cap = this.rules.block.nptable.exec(src);
if (cap) {
const item = {
type: 'table',
header: splitCells(cap[1].replace(/^ *| *\| *$/g, '')),
align: cap[2].replace(/^ *|\| *$/g, '').split(/ *\| */),
cells: cap[3] ? cap[3].replace(/\n$/, '').split('\n') : [],
raw: cap[0]
};

if (item.header.length === item.align.length) {
let l = item.align.length;
let i;
for (i = 0; i < l; i++) {
if (/^ *-+: *$/.test(item.align[i])) {
item.align[i] = 'right';
} else if (/^ *:-+: *$/.test(item.align[i])) {
item.align[i] = 'center';
} else if (/^ *:-+ *$/.test(item.align[i])) {
item.align[i] = 'left';
} else {
item.align[i] = null;
}
}

l = item.cells.length;
for (i = 0; i < l; i++) {
item.cells[i] = splitCells(item.cells[i], item.header.length);
}

return item;
}
}
}

hr(src) {
const cap = this.rules.block.hr.exec(src);
if (cap) {
Expand Down Expand Up @@ -385,9 +349,7 @@ module.exports = class Tokenizer {

l = item.cells.length;
for (i = 0; i < l; i++) {
item.cells[i] = splitCells(
item.cells[i].replace(/^ *\| *| *\| *$/g, ''),
item.header.length);
item.cells[i] = splitCells(item.cells[i], item.header.length);
}

return item;
Expand Down
4 changes: 4 additions & 0 deletions src/helpers.js
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Expand Up @@ -160,6 +160,10 @@ function splitCells(tableRow, count) {
cells = row.split(/ \|/);
let i = 0;

// First/last cell in a row cannot be empty if it has no leading/trailing pipe
if (!cells[0].trim()) { cells.shift(); }
if (!cells[cells.length - 1].trim()) { cells.pop(); }

if (cells.length > count) {
cells.splice(count);
} else {
Expand Down
19 changes: 2 additions & 17 deletions src/rules.js
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Expand Up @@ -26,7 +26,6 @@ const block = {
+ '|</(?!script|pre|style|textarea)[a-z][\\w-]*\\s*>(?=[ \\t]*(?:\\n|$))[\\s\\S]*?(?:(?:\\n *)+\\n|$)' // (7) closing tag
+ ')',
def: /^ {0,3}\[(label)\]: *\n? *<?([^\s>]+)>?(?:(?: +\n? *| *\n *)(title))? *(?:\n+|$)/,
nptable: noopTest,
table: noopTest,
lheading: /^([^\n]+)\n {0,3}(=+|-+) *(?:\n+|$)/,
// regex template, placeholders will be replaced according to different paragraph
Expand Down Expand Up @@ -97,25 +96,11 @@ block.normal = merge({}, block);
*/

block.gfm = merge({}, block.normal, {
nptable: '^ *([^|\\n ].*\\|.*)\\n' // Header
+ ' {0,3}([-:]+ *\\|[-| :]*)' // Align
+ '(?:\\n((?:(?!\\n|hr|heading|blockquote|code|fences|list|html).*(?:\\n|$))*)\\n*|$)', // Cells
table: '^ *\\|(.+)\\n' // Header
+ ' {0,3}\\|?( *[-:]+[-| :]*)' // Align
table: '^ *([^\\n ].*\\|.*)\\n' // Header
+ ' {0,3}(?:\\| *)?(:?-+:? *(?:\\| *:?-+:? *)*)\\|?' // Align
+ '(?:\\n *((?:(?!\\n|hr|heading|blockquote|code|fences|list|html).*(?:\\n|$))*)\\n*|$)' // Cells
});

block.gfm.nptable = edit(block.gfm.nptable)
.replace('hr', block.hr)
.replace('heading', ' {0,3}#{1,6} ')
.replace('blockquote', ' {0,3}>')
.replace('code', ' {4}[^\\n]')
.replace('fences', ' {0,3}(?:`{3,}(?=[^`\\n]*\\n)|~{3,})[^\\n]*\\n')
.replace('list', ' {0,3}(?:[*+-]|1[.)]) ') // only lists starting from 1 can interrupt
.replace('html', '</?(?:tag)(?: +|\\n|/?>)|<(?:script|pre|style|textarea|!--)')
.replace('tag', block._tag) // tables can be interrupted by type (6) html blocks
.getRegex();

block.gfm.table = edit(block.gfm.table)
.replace('hr', block.hr)
.replace('heading', ' {0,3}#{1,6} ')
Expand Down
2 changes: 1 addition & 1 deletion test/specs/new/table_cells.html
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Expand Up @@ -16,7 +16,7 @@

<table><thead><tr><th>1</th><th>2</th></tr></thead><tbody><tr><td>1|\</td><td>2|\</td></tr></tbody></table>

<table><thead><tr><th>1</th><th>2</th></tr></thead><tbody><tr><td></td><td>2</td></tr></tbody></table>
<table><thead><tr><th>1</th><th>2</th></tr></thead><tbody><tr><td>2</td><td></td></tr></tbody></table>

<table><thead><tr><th>1</th><th>2</th></tr></thead><tbody><tr><td>1</td><td>2|</td></tr></tbody></table>

Expand Down