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| author | James Bursa <james@netsurf-browser.org> | 2003-03-25 21:03:14 +0000 |
|---|---|---|
| committer | James Bursa <james@netsurf-browser.org> | 2003-03-25 21:03:14 +0000 |
| commit | 6e0fdd2078c11ceec667de9b115408bb7688caa4 (patch) | |
| tree | 39359e4e130c3dbdb2b93ae53d7232e697d81e77 /css/scanner.l | |
| parent | 91f8a679db6211b883ce2a7499728ee2b6a5f2af (diff) | |
| download | netsurf-6e0fdd2078c11ceec667de9b115408bb7688caa4.tar.gz netsurf-6e0fdd2078c11ceec667de9b115408bb7688caa4.tar.bz2 | |
[project @ 2003-03-25 21:03:14 by bursa]
New CSS parser.
svn path=/import/netsurf/; revision=108
Diffstat (limited to 'css/scanner.l')
| -rw-r--r-- | css/scanner.l | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/css/scanner.l b/css/scanner.l new file mode 100644 index 000000000..de6533a50 --- /dev/null +++ b/css/scanner.l @@ -0,0 +1,69 @@ +/** + * $Id: scanner.l,v 1.1 2003/03/25 21:03:14 bursa Exp $ + */ + +%{ +#include "parser.h" +%} + +%option 8bit +%option batch +%option case-insensitive +%option header-file="scanner.h" +%option outfile="scanner.c" +%option prefix="css_" +%option reentrant +%option never-interactive +%option noyywrap + +/* see CSS2 Specification, chapter 4 + http://www.w3.org/TR/REC-CSS2/syndata.html, + and errata + http://www.w3.org/Style/css2-updates/REC-CSS2-19980512-errata */ + +ident {nmstart}{nmchar}* +name {nmchar}+ +nmstart [a-zA-Z_]|{nonascii}|{escape} +nonascii [\200-\377] +unicode \\[0-9a-f]{1,6}[ \n\r\t\f]? +escape {unicode}|\\[ -~\200-\377] +nmchar [-a-zA-Z0-9_]|{nonascii}|{escape} +num [+-]?[0-9]+|[0-9]*\.[0-9]+ +string {string1}|{string2} +string1 \"([\t !#$%&(-~]|\\{nl}|\'|{nonascii}|{escape})*\" +string2 \'([\t !#$%&(-~]|\\{nl}|\"|{nonascii}|{escape})*\' +nl \n|\r\n|\r|\f +w [ \t\r\n\f]* + +%% + +{ident} { return IDENT; } +@{ident} { return ATKEYWORD; } +{string} { return STRING; } +#{name} { return HASH; } +{num} { return NUMBER; } +{num}% { return PERCENTAGE; } +{num}{ident} { return DIMENSION; } +url\({w}{string}{w}\)|url\({w}([!#$%&*-~]|{nonascii}|{escape})*{w}\) { + return URI; } +U\+[0-9A-F?]{1,6}(-[0-9A-F]{1,6})? { + return UNICODE_RANGE; } +"<!--" /* ignore CDO */ +"-->" /* ignore CDC */ +; { return SEMI; } +\{ { return LBRACE; } +\} { return RBRACE; } +\( { return LPAREN; } +\) { return RPAREN; } +\[ { return LBRAC; } +\] { return RBRAC; } +[ \t\r\n\f]+ /* ignore whitespace */ +\/\*[^*]*\*+([^/][^*]*\*+)*\/ /* ignore comments */ +{ident}\( { return FUNCTION; } +~= { return INCLUDES; } +"|=" { return DASHMATCH; } +: { return COLON; /* missed out in spec */ } +. { return DELIM; } + +%% + |