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| author | kpdecker <kpdecker@gmail.com> | 2013-07-29 21:37:04 -0500 |
|---|---|---|
| committer | kpdecker <kpdecker@gmail.com> | 2013-07-29 21:37:25 -0500 |
| commit | 03310df95e91880ea647f38805dc9694a3258a65 (patch) | |
| tree | 2ec52d349b0f61c5c53c4e62d91be8ad88318228 /src | |
| parent | 3bc7d7b9989a504148f875f4ef6bd786066f4299 (diff) | |
| download | handlebars.js-03310df95e91880ea647f38805dc9694a3258a65.zip handlebars.js-03310df95e91880ea647f38805dc9694a3258a65.tar.gz handlebars.js-03310df95e91880ea647f38805dc9694a3258a65.tar.bz2 | |
Add strip lex helper method
Diffstat (limited to 'src')
| -rw-r--r-- | src/handlebars.l | 24 |
1 files changed, 16 insertions, 8 deletions
diff --git a/src/handlebars.l b/src/handlebars.l index d13e111..018096b 100644 --- a/src/handlebars.l +++ b/src/handlebars.l @@ -1,6 +1,15 @@ %x mu emu com +%{ + +function strip(start, end) { + return yytext = yytext.substr(start, yyleng-end); +} + +%} + + /* ID is the inverse of control characters. Control characters ranges: @@ -17,7 +26,7 @@ ID [^\s!"#%-,\.\/;->@\[-\^`\{-~]+/[=}\s\/.] "\\\\"/("{{") yytext = "\\"; return 'CONTENT'; [^\x00]*?/("{{") { if(yytext.slice(-1) !== "\\") this.begin("mu"); - if(yytext.slice(-1) === "\\") yytext = yytext.substr(0,yyleng-1), this.begin("emu"); + if(yytext.slice(-1) === "\\") strip(0,1), this.begin("emu"); if(yytext) return 'CONTENT'; } @@ -25,11 +34,11 @@ ID [^\s!"#%-,\.\/;->@\[-\^`\{-~]+/[=}\s\/.] <emu>[^\x00]{2,}?/("{{"|<<EOF>>) { if(yytext.slice(-1) !== "\\") this.popState(); - if(yytext.slice(-1) === "\\") yytext = yytext.substr(0,yyleng-1); + if(yytext.slice(-1) === "\\") strip(0,1); return 'CONTENT'; } -<com>[\s\S]*?"--}}" yytext = yytext.substr(0, yyleng-4); this.popState(); return 'COMMENT'; +<com>[\s\S]*?"--}}" strip(0,4); this.popState(); return 'COMMENT'; <mu>"{{>" return 'OPEN_PARTIAL'; <mu>"{{#" return 'OPEN_BLOCK'; @@ -39,7 +48,7 @@ ID [^\s!"#%-,\.\/;->@\[-\^`\{-~]+/[=}\s\/.] <mu>"{{{" return 'OPEN_UNESCAPED'; <mu>"{{&" return 'OPEN'; <mu>"{{!--" this.popState(); this.begin('com'); -<mu>"{{!"[\s\S]*?"}}" yytext = yytext.substr(3,yyleng-5); this.popState(); return 'COMMENT'; +<mu>"{{!"[\s\S]*?"}}" strip(3,5); this.popState(); return 'COMMENT'; <mu>"{{" return 'OPEN'; <mu>"=" return 'EQUALS'; @@ -49,8 +58,8 @@ ID [^\s!"#%-,\.\/;->@\[-\^`\{-~]+/[=}\s\/.] <mu>\s+ /*ignore whitespace*/ <mu>"}}}" this.popState(); return 'CLOSE_UNESCAPED'; <mu>"}}" this.popState(); return 'CLOSE'; -<mu>'"'("\\"["]|[^"])*'"' yytext = yytext.substr(1,yyleng-2).replace(/\\"/g,'"'); return 'STRING'; -<mu>"'"("\\"[']|[^'])*"'" yytext = yytext.substr(1,yyleng-2).replace(/\\'/g,"'"); return 'STRING'; +<mu>'"'("\\"["]|[^"])*'"' yytext = strip(1,2).replace(/\\"/g,'"'); return 'STRING'; +<mu>"'"("\\"[']|[^'])*"'" yytext = strip(1,2).replace(/\\'/g,"'"); return 'STRING'; <mu>"@" return 'DATA'; <mu>"true"/[}\s] return 'BOOLEAN'; <mu>"false"/[}\s] return 'BOOLEAN'; @@ -58,8 +67,7 @@ ID [^\s!"#%-,\.\/;->@\[-\^`\{-~]+/[=}\s\/.] <mu>{ID} return 'ID'; -<mu>'['[^\]]*']' yytext = yytext.substr(1, yyleng-2); return 'ID'; +<mu>'['[^\]]*']' yytext = strip(1,2); return 'ID'; <mu>. return 'INVALID'; <INITIAL,mu><<EOF>> return 'EOF'; - |