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refactor ^c handling

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This commit is contained in:
Christopher Jeffrey 2013-02-22 04:11:04 -06:00
parent f17634dfa7
commit 17891e74c7
1 changed files with 23 additions and 86 deletions
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109
lib/tput.js
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@ -365,6 +365,14 @@ Tput.prototype._compile = function(val) {
echo('"' + c + '"'); echo('"' + c + '"');
} }
function push(c) {
expr('(stack.push(v = ' + c + '), v)');
}
function pop(c) {
expr((c ? c + ' = ' : '') + 'stack.pop()');
}
while (val) { while (val) {
// '\e' -> ^[ // '\e' -> ^[
if (read(/^\\e/i)) { if (read(/^\\e/i)) {
@ -373,110 +381,39 @@ Tput.prototype._compile = function(val) {
} }
// '^A' -> ^A // '^A' -> ^A
// case-insensitive?
if (read(/^\^(.)/i)) { if (read(/^\^(.)/i)) {
switch (ch.toUpperCase()) { ch = ch.toUpperCase(); // ?
switch (ch) {
case '@': case '@':
ch = '\\x00'; ch = '\\x00';
break; break;
case 'A': case '[':
ch = '\\x01'; ch = '\\x1b';
break;
case 'B':
ch = '\\x02';
break;
case 'C':
ch = '\\x03';
break;
case 'D':
ch = '\\x04';
break;
case 'E':
ch = '\\x05';
break;
case 'F':
ch = '\\x06';
break;
case 'G':
ch = '\\x07';
break;
case 'H':
ch = '\\x08';
break;
case 'I':
ch = '\\x09'; // \t
break;
case 'J':
ch = '\\x0a'; // \n
break;
case 'K':
ch = '\\x0b';
break;
case 'L':
ch = '\\x0c';
break;
case 'M':
ch = '\\x0d';
break;
case 'N':
ch = '\\x0e';
break;
case 'O':
ch = '\\x0f';
break;
case 'P':
ch = '\\x10';
break;
case 'Q':
ch = '\\x11';
break;
case 'R':
ch = '\\x12';
break;
case 'S':
ch = '\\x13';
break;
case 'T':
ch = '\\x14';
break;
case 'U':
ch = '\\x15';
break;
case 'V':
ch = '\\x16';
break;
case 'W':
ch = '\\x17';
break;
case 'X':
ch = '\\x18';
break;
case 'Y':
ch = '\\x19';
break;
case 'Z':
ch = '\\x1a';
break; break;
case '\\': case '\\':
ch = '\\x1c'; ch = '\\x1c';
break; break;
case ']':
ch = '\\x1d';
break;
case '^': case '^':
ch = '\\x1e'; ch = '\\x1e';
break; break;
case '_': case '_':
ch = '\\x1f'; ch = '\\x1f';
break; break;
case '[':
ch = '\\x1b';
break;
case ']':
ch = '\\x1d';
break;
case '?': case '?':
ch = '\\x7f'; ch = '\\x7f';
break; break;
default: default:
ch = '\\' + ch; if (ch >= 'A' && ch <= 'Z') {
ch = ch.charCodeAt(0) - 64;
ch = ch.toString(16);
if (ch.length < 2) ch = '0' + ch;
ch = '\\x' + ch;
} else {
ch = '';
}
break; break;
} }
print(ch); print(ch);