var window = this, document = this.document;
- /**
- * wcwidth
- */
- var wcswidth = (function() {
- var _WIDTH_COMBINING = [
- [0x0300, 0x036F], [0x0483, 0x0486], [0x0488, 0x0489],
- [0x0591, 0x05BD], [0x05BF, 0x05BF], [0x05C1, 0x05C2],
- [0x05C4, 0x05C5], [0x05C7, 0x05C7], [0x0600, 0x0603],
- [0x0610, 0x0615], [0x064B, 0x065E], [0x0670, 0x0670],
- [0x06D6, 0x06E4], [0x06E7, 0x06E8], [0x06EA, 0x06ED],
- [0x070F, 0x070F], [0x0711, 0x0711], [0x0730, 0x074A],
- [0x07A6, 0x07B0], [0x07EB, 0x07F3], [0x0901, 0x0902],
- [0x093C, 0x093C], [0x0941, 0x0948], [0x094D, 0x094D],
- [0x0951, 0x0954], [0x0962, 0x0963], [0x0981, 0x0981],
- [0x09BC, 0x09BC], [0x09C1, 0x09C4], [0x09CD, 0x09CD],
- [0x09E2, 0x09E3], [0x0A01, 0x0A02], [0x0A3C, 0x0A3C],
- [0x0A41, 0x0A42], [0x0A47, 0x0A48], [0x0A4B, 0x0A4D],
- [0x0A70, 0x0A71], [0x0A81, 0x0A82], [0x0ABC, 0x0ABC],
- [0x0AC1, 0x0AC5], [0x0AC7, 0x0AC8], [0x0ACD, 0x0ACD],
- [0x0AE2, 0x0AE3], [0x0B01, 0x0B01], [0x0B3C, 0x0B3C],
- [0x0B3F, 0x0B3F], [0x0B41, 0x0B43], [0x0B4D, 0x0B4D],
- [0x0B56, 0x0B56], [0x0B82, 0x0B82], [0x0BC0, 0x0BC0],
- [0x0BCD, 0x0BCD], [0x0C3E, 0x0C40], [0x0C46, 0x0C48],
- [0x0C4A, 0x0C4D], [0x0C55, 0x0C56], [0x0CBC, 0x0CBC],
- [0x0CBF, 0x0CBF], [0x0CC6, 0x0CC6], [0x0CCC, 0x0CCD],
- [0x0CE2, 0x0CE3], [0x0D41, 0x0D43], [0x0D4D, 0x0D4D],
- [0x0DCA, 0x0DCA], [0x0DD2, 0x0DD4], [0x0DD6, 0x0DD6],
- [0x0E31, 0x0E31], [0x0E34, 0x0E3A], [0x0E47, 0x0E4E],
- [0x0EB1, 0x0EB1], [0x0EB4, 0x0EB9], [0x0EBB, 0x0EBC],
- [0x0EC8, 0x0ECD], [0x0F18, 0x0F19], [0x0F35, 0x0F35],
- [0x0F37, 0x0F37], [0x0F39, 0x0F39], [0x0F71, 0x0F7E],
- [0x0F80, 0x0F84], [0x0F86, 0x0F87], [0x0F90, 0x0F97],
- [0x0F99, 0x0FBC], [0x0FC6, 0x0FC6], [0x102D, 0x1030],
- [0x1032, 0x1032], [0x1036, 0x1037], [0x1039, 0x1039],
- [0x1058, 0x1059], [0x1160, 0x11FF], [0x135F, 0x135F],
- [0x1712, 0x1714], [0x1732, 0x1734], [0x1752, 0x1753],
- [0x1772, 0x1773], [0x17B4, 0x17B5], [0x17B7, 0x17BD],
- [0x17C6, 0x17C6], [0x17C9, 0x17D3], [0x17DD, 0x17DD],
- [0x180B, 0x180D], [0x18A9, 0x18A9], [0x1920, 0x1922],
- [0x1927, 0x1928], [0x1932, 0x1932], [0x1939, 0x193B],
- [0x1A17, 0x1A18], [0x1B00, 0x1B03], [0x1B34, 0x1B34],
- [0x1B36, 0x1B3A], [0x1B3C, 0x1B3C], [0x1B42, 0x1B42],
- [0x1B6B, 0x1B73], [0x1DC0, 0x1DCA], [0x1DFE, 0x1DFF],
- [0x200B, 0x200F], [0x202A, 0x202E], [0x2060, 0x2063],
- [0x206A, 0x206F], [0x20D0, 0x20EF], [0x302A, 0x302F],
- [0x3099, 0x309A], [0xA806, 0xA806], [0xA80B, 0xA80B],
- [0xA825, 0xA826], [0xFB1E, 0xFB1E], [0xFE00, 0xFE0F],
- [0xFE20, 0xFE23], [0xFEFF, 0xFEFF], [0xFFF9, 0xFFFB],
- [0x10A01, 0x10A03], [0x10A05, 0x10A06], [0x10A0C, 0x10A0F],
- [0x10A38, 0x10A3A], [0x10A3F, 0x10A3F], [0x1D167, 0x1D169],
- [0x1D173, 0x1D182], [0x1D185, 0x1D18B], [0x1D1AA, 0x1D1AD],
- [0x1D242, 0x1D244], [0xE0001, 0xE0001], [0xE0020, 0xE007F],
- [0xE0100, 0xE01EF]
- ];
- function _width_bisearch(ucs) {
- var min = 0;
- var max = _WIDTH_COMBINING.length - 1;
- var mid;
- if (ucs < _WIDTH_COMBINING[0][0] || ucs > _WIDTH_COMBINING[max][1])
- return false;
- while (max >= min) {
- mid = Math.floor((min + max) / 2);
- if (ucs > _WIDTH_COMBINING[mid][1])
- min = mid + 1;
- else if (ucs < _WIDTH_COMBINING[mid][0])
- max = mid - 1;
- else
- return true;
- }
- return false;
- }
- function _width_wcwidth(ucs, opts) {
- // test for 8-bit control characters
- if (ucs === 0)
- return opts.nul;
- if (ucs < 32 || (ucs >= 0x7f && ucs < 0xa0))
- return opts.control;
- // binary search in table of non-spacing characters
- if (_width_bisearch(ucs))
- return 0;
- // if we arrive here, ucs is not a combining or C0/C1 control character
- return 1 +
- (ucs >= 0x1100 &&
- (ucs <= 0x115f || // Hangul Jamo init. consonants
- ucs == 0x2329 || ucs == 0x232a ||
- (ucs >= 0x2e80 && ucs <= 0xa4cf &&
- ucs != 0x303f) || // CJK ... Yi
- (ucs >= 0xac00 && ucs <= 0xd7a3) || // Hangul Syllables
- (ucs >= 0xf900 && ucs <= 0xfaff) || // CJK Compatibility Ideographs
- (ucs >= 0xfe10 && ucs <= 0xfe19) || // Vertical forms
- (ucs >= 0xfe30 && ucs <= 0xfe6f) || // CJK Compatibility Forms
- (ucs >= 0xff00 && ucs <= 0xff60) || // Fullwidth Forms
- (ucs >= 0xffe0 && ucs <= 0xffe6) ||
- (ucs >= 0x20000 && ucs <= 0x2fffd) ||
- (ucs >= 0x30000 && ucs <= 0x3fffd)));
- }
-
- var _WIDTH_DEFAULTS = {nul: 0, control: 0};
-
- function wcswidth(str, opts) {
- opts = _WIDTH_DEFAULTS; // FIXME
- if (typeof str !== 'string')
- return _width_wcwidth(str, opts);
- var s = 0;
- for (var i = 0; i < str.length; i++) {
- var n = _width_wcwidth(str.charCodeAt(i), opts);
- if (n < 0)
- return -1;
- s += n;
- }
- return s
- }
-
- return wcswidth;
- })();
-
/**
* EventEmitter
*/
this.prefix = '';
this.postfix = '';
- // left over left part of surrogate from previous write invocation
- this.surrogate_left = '';
+ // leftover surrogate high from previous write invocation
+ this.surrogate_high = '';
/**
* An array of all lines in the entire buffer, including the prompt. The lines are array of
this.maxRange();
}
- // apply leftover surrogate left from last write
- if (this.surrogate_left) {
- data = this.surrogate_left + data;
- this.surrogate_left = '';
- }
+ // apply leftover surrogate high from last write
+ if (this.surrogate_high) {
+ data = this.surrogate_high + data;
+ this.surrogate_high = '';
+ }
for (; i < l; i++) {
ch = data[i];
+ // FIXME: higher chars than 0xa0 are not allowed in escape sequences
+ // --> maybe move to default
code = data.charCodeAt(i);
- // surrogate high
if (0xD800 <= code && code <= 0xDBFF) {
- low = data.charCodeAt(i+1);
- if (low !== low) { // end of data stream, we need to save to first part of surrogate
- this.surrogate_left = ch;
- return;
- }
- code = ((code - 0xD800) * 0x400) + (low - 0xDC00) + 0x10000;
- ch += data.charAt(i+1);
+ // we got a surrogate high
+ // get surrogate low (next 2 bytes)
+ low = data.charCodeAt(i+1);
+ if (isNaN(low)) {
+ // end of data stream, save surrogate high
+ this.surrogate_high = ch;
+ continue;
+ }
+ code = ((code - 0xD800) * 0x400) + (low - 0xDC00) + 0x10000;
+ ch += data.charAt(i+1);
}
// surrogate low - already handled above
if (0xDC00 <= code && code <= 0xDFFF)
- continue;
+ continue;
switch (this.state) {
case normal:
default:
// ' '
- ch_width = wcswidth(code); // expensive, therefore we save the result in line buffer
+ // calculate print space
+ // expensive call, therefore we save width in line buffer
+ ch_width = wcwidth(code);
if (ch >= ' ') {
if (this.charset && this.charset[ch]) {
ch = this.charset[ch];
}
- // combining into last cell - fixing #72 and 'café'
+ // insert combining char in last cell
if (!ch_width && this.x) {
this.lines[this.y + this.ybase][this.x-1][1] += ch;
this.updateRange(this.y);
break;
}
- if (this.x+ch_width-1 >= this.cols) { // just goto next line if ch would overflow
+ // goto next line if ch would overflow
+ // TODO: needs a global min terminal width of 2
+ if (this.x+ch_width-1 >= this.cols) {
this.x = 0;
this.y++;
if (this.y > this.scrollBottom) {
this.x++;
this.updateRange(this.y);
- if (ch_width==2) { // set next cell to zero
+ // fullwidth char - set next cell width to zero and advance cursor
+ if (ch_width==2) {
this.lines[this.y + this.ybase][this.x] = [this.curAttr, '', 0];
this.x++;
}
return keys;
}
+ var wcwidth = (function(opts) {
+ // extracted from https://www.cl.cam.ac.uk/%7Emgk25/ucs/wcwidth.c
+ // combining characters
+ var COMBINING = [
+ [0x0300, 0x036F], [0x0483, 0x0486], [0x0488, 0x0489],
+ [0x0591, 0x05BD], [0x05BF, 0x05BF], [0x05C1, 0x05C2],
+ [0x05C4, 0x05C5], [0x05C7, 0x05C7], [0x0600, 0x0603],
+ [0x0610, 0x0615], [0x064B, 0x065E], [0x0670, 0x0670],
+ [0x06D6, 0x06E4], [0x06E7, 0x06E8], [0x06EA, 0x06ED],
+ [0x070F, 0x070F], [0x0711, 0x0711], [0x0730, 0x074A],
+ [0x07A6, 0x07B0], [0x07EB, 0x07F3], [0x0901, 0x0902],
+ [0x093C, 0x093C], [0x0941, 0x0948], [0x094D, 0x094D],
+ [0x0951, 0x0954], [0x0962, 0x0963], [0x0981, 0x0981],
+ [0x09BC, 0x09BC], [0x09C1, 0x09C4], [0x09CD, 0x09CD],
+ [0x09E2, 0x09E3], [0x0A01, 0x0A02], [0x0A3C, 0x0A3C],
+ [0x0A41, 0x0A42], [0x0A47, 0x0A48], [0x0A4B, 0x0A4D],
+ [0x0A70, 0x0A71], [0x0A81, 0x0A82], [0x0ABC, 0x0ABC],
+ [0x0AC1, 0x0AC5], [0x0AC7, 0x0AC8], [0x0ACD, 0x0ACD],
+ [0x0AE2, 0x0AE3], [0x0B01, 0x0B01], [0x0B3C, 0x0B3C],
+ [0x0B3F, 0x0B3F], [0x0B41, 0x0B43], [0x0B4D, 0x0B4D],
+ [0x0B56, 0x0B56], [0x0B82, 0x0B82], [0x0BC0, 0x0BC0],
+ [0x0BCD, 0x0BCD], [0x0C3E, 0x0C40], [0x0C46, 0x0C48],
+ [0x0C4A, 0x0C4D], [0x0C55, 0x0C56], [0x0CBC, 0x0CBC],
+ [0x0CBF, 0x0CBF], [0x0CC6, 0x0CC6], [0x0CCC, 0x0CCD],
+ [0x0CE2, 0x0CE3], [0x0D41, 0x0D43], [0x0D4D, 0x0D4D],
+ [0x0DCA, 0x0DCA], [0x0DD2, 0x0DD4], [0x0DD6, 0x0DD6],
+ [0x0E31, 0x0E31], [0x0E34, 0x0E3A], [0x0E47, 0x0E4E],
+ [0x0EB1, 0x0EB1], [0x0EB4, 0x0EB9], [0x0EBB, 0x0EBC],
+ [0x0EC8, 0x0ECD], [0x0F18, 0x0F19], [0x0F35, 0x0F35],
+ [0x0F37, 0x0F37], [0x0F39, 0x0F39], [0x0F71, 0x0F7E],
+ [0x0F80, 0x0F84], [0x0F86, 0x0F87], [0x0F90, 0x0F97],
+ [0x0F99, 0x0FBC], [0x0FC6, 0x0FC6], [0x102D, 0x1030],
+ [0x1032, 0x1032], [0x1036, 0x1037], [0x1039, 0x1039],
+ [0x1058, 0x1059], [0x1160, 0x11FF], [0x135F, 0x135F],
+ [0x1712, 0x1714], [0x1732, 0x1734], [0x1752, 0x1753],
+ [0x1772, 0x1773], [0x17B4, 0x17B5], [0x17B7, 0x17BD],
+ [0x17C6, 0x17C6], [0x17C9, 0x17D3], [0x17DD, 0x17DD],
+ [0x180B, 0x180D], [0x18A9, 0x18A9], [0x1920, 0x1922],
+ [0x1927, 0x1928], [0x1932, 0x1932], [0x1939, 0x193B],
+ [0x1A17, 0x1A18], [0x1B00, 0x1B03], [0x1B34, 0x1B34],
+ [0x1B36, 0x1B3A], [0x1B3C, 0x1B3C], [0x1B42, 0x1B42],
+ [0x1B6B, 0x1B73], [0x1DC0, 0x1DCA], [0x1DFE, 0x1DFF],
+ [0x200B, 0x200F], [0x202A, 0x202E], [0x2060, 0x2063],
+ [0x206A, 0x206F], [0x20D0, 0x20EF], [0x302A, 0x302F],
+ [0x3099, 0x309A], [0xA806, 0xA806], [0xA80B, 0xA80B],
+ [0xA825, 0xA826], [0xFB1E, 0xFB1E], [0xFE00, 0xFE0F],
+ [0xFE20, 0xFE23], [0xFEFF, 0xFEFF], [0xFFF9, 0xFFFB],
+ [0x10A01, 0x10A03], [0x10A05, 0x10A06], [0x10A0C, 0x10A0F],
+ [0x10A38, 0x10A3A], [0x10A3F, 0x10A3F], [0x1D167, 0x1D169],
+ [0x1D173, 0x1D182], [0x1D185, 0x1D18B], [0x1D1AA, 0x1D1AD],
+ [0x1D242, 0x1D244], [0xE0001, 0xE0001], [0xE0020, 0xE007F],
+ [0xE0100, 0xE01EF]
+ ];
+ // binary search
+ function bisearch(ucs) {
+ var min = 0;
+ var max = COMBINING.length - 1;
+ var mid;
+ if (ucs < COMBINING[0][0] || ucs > COMBINING[max][1])
+ return false;
+ while (max >= min) {
+ mid = Math.floor((min + max) / 2);
+ if (ucs > COMBINING[mid][1])
+ min = mid + 1;
+ else if (ucs < COMBINING[mid][0])
+ max = mid - 1;
+ else
+ return true;
+ }
+ return false;
+ }
+ function wcwidth(ucs) {
+ // test for 8-bit control characters
+ if (ucs === 0)
+ return opts.nul;
+ if (ucs < 32 || (ucs >= 0x7f && ucs < 0xa0))
+ return opts.control;
+ // binary search in table of non-spacing characters
+ if (bisearch(ucs))
+ return 0;
+ // if we arrive here, ucs is not a combining or C0/C1 control character
+ return 1 +
+ (
+ ucs >= 0x1100 &&
+ (
+ ucs <= 0x115f || // Hangul Jamo init. consonants
+ ucs == 0x2329 ||
+ ucs == 0x232a ||
+ (ucs >= 0x2e80 && ucs <= 0xa4cf && ucs != 0x303f) || // CJK..Yi
+ (ucs >= 0xac00 && ucs <= 0xd7a3) || // Hangul Syllables
+ (ucs >= 0xf900 && ucs <= 0xfaff) || // CJK Compat Ideographs
+ (ucs >= 0xfe10 && ucs <= 0xfe19) || // Vertical forms
+ (ucs >= 0xfe30 && ucs <= 0xfe6f) || // CJK Compat Forms
+ (ucs >= 0xff00 && ucs <= 0xff60) || // Fullwidth Forms
+ (ucs >= 0xffe0 && ucs <= 0xffe6) ||
+ (ucs >= 0x20000 && ucs <= 0x2fffd) ||
+ (ucs >= 0x30000 && ucs <= 0x3fffd)
+ )
+ );
+ }
+ return wcwidth;
+ })({nul: 0, control: 0}); // configurable options
+
/**
* Expose
*/
projects / mirror_xterm.js.git / blobdiff