43 lines
1.1 KiB
JavaScript
43 lines
1.1 KiB
JavaScript
// Proceess '\n'
|
|
|
|
'use strict';
|
|
|
|
var isSpace = require('../common/utils').isSpace;
|
|
|
|
|
|
module.exports = function newline(state, silent) {
|
|
var pmax, max, pos = state.pos;
|
|
|
|
if (state.src.charCodeAt(pos) !== 0x0A/* \n */) { return false; }
|
|
|
|
pmax = state.pending.length - 1;
|
|
max = state.posMax;
|
|
|
|
// ' \n' -> hardbreak
|
|
// Lookup in pending chars is bad practice! Don't copy to other rules!
|
|
// Pending string is stored in concat mode, indexed lookups will cause
|
|
// convertion to flat mode.
|
|
if (!silent) {
|
|
if (pmax >= 0 && state.pending.charCodeAt(pmax) === 0x20) {
|
|
if (pmax >= 1 && state.pending.charCodeAt(pmax - 1) === 0x20) {
|
|
state.pending = state.pending.replace(/ +$/, '');
|
|
state.push('hardbreak', 'br', 0);
|
|
} else {
|
|
state.pending = state.pending.slice(0, -1);
|
|
state.push('softbreak', 'br', 0);
|
|
}
|
|
|
|
} else {
|
|
state.push('softbreak', 'br', 0);
|
|
}
|
|
}
|
|
|
|
pos++;
|
|
|
|
// skip heading spaces for next line
|
|
while (pos < max && isSpace(state.src.charCodeAt(pos))) { pos++; }
|
|
|
|
state.pos = pos;
|
|
return true;
|
|
};
|