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rofi/lexer/theme-lexer.l
Dave Davenport 2a5cb6f621 Alias 'color' property name to 'text-color'
2017-09-07 08:35:09 +02:00

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/*
* rofi
*
* MIT/X11 License
* Copyright 2013-2017 Qball Cow <qball@gmpclient.org>
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
*/
%option nodefault noyywrap
%option nostdinit
%option nounput
%option never-interactive
%option bison-locations
%{
#include <stdio.h>
#include <glib.h>
#include <helper.h>
#include <math.h>
#include <strings.h>
#include "rofi.h"
#include "theme.h"
#include "theme-parser.h"
#include "css-colors.h"
#define LOG_DOMAIN "Parser"
int last_state = 0;
/**
* Type of Object to parse.
*/
typedef enum {
/** Parse a file */
PT_FILE,
/** Parse a string */
PT_STRING
} ParseType;
/**
* Parse object
*/
typedef struct _ParseObject {
/** Type */
ParseType type;
/** File pointer */
FILE *filein;
char *filename;
/** Length of string */
int str_len;
/** String */
const char *input_str;
/** Position in file */
YYLTYPE location;
} ParseObject;
GList *imported_files = NULL;
GList *prev_imported_files = NULL;
GQueue *file_queue = NULL;
GQueue *queue = NULL;
ParseObject *current = NULL;
static double rofi_theme_parse_convert_hex ( char high, char low)
{
uint8_t retv = 0;
int t = g_ascii_toupper ( high );
t = ( t > '9')? (t-'A'+10):(t-'0');
retv = t<<4;
t = g_ascii_toupper ( low );
t = ( t > '9')? (t-'A'+10):(t-'0');
retv +=t;
return retv/255.0;
}
%}
%{
#define YY_INPUT(buf,result,max_size) \
{\
if ( current == NULL ) {\
result = 0;\
} else {\
switch ( current->type ) { \
case PT_FILE:\
{\
errno =0; \
while ( (result = (int) fread(buf, 1, max_size, current->filein))==0 && ferror(current->filein)) \
{ \
if( errno != EINTR) \
{ \
YY_FATAL_ERROR( "input in flex scanner failed" ); \
break; \
} \
errno=0; \
clearerr(current->filein); \
} \
break;\
}\
case PT_STRING:\
{\
yy_size_t len = MIN (max_size, current->str_len);\
if ( len > 0 ){\
memcpy (buf, current->input_str, len);\
current->input_str+=len;\
current->str_len-=len;\
result = len;\
} else {\
result = 0;\
}\
}\
}\
}\
}
#define YY_USER_ACTION {\
yylloc->last_column+= yyleng;\
}
#define YY_LLOC_START {\
yylloc->first_line = yylloc->last_line;\
yylloc->first_column = yylloc->last_column;\
}
%}
ASC [\x00-\x7f]
ASCN [\x00-\t\v-\x7f]
U [\x80-\xbf]
U2 [\xc2-\xdf]
U3 [\xe0-\xef]
U4 [\xf0-\xf4]
// UANY {ASC}|{U2}{U}|{U3}{U}{U}|{U4}{U}{U}{U}
UANYN {ASCN}|{U2}{U}|{U3}{U}{U}|{U4}{U}{U}{U}
// UONLY {U2}{U}|{U3}{U}{U}|{U4}{U}{U}{U}
WHITESPACE [[:blank:]]
WSO [[:blank:]]*
WORD [[:alnum:]-]+
COLOR_NAME [[:alpha:]]+
STRING \"{UANYN}*\"
HEX [[:xdigit:]]
NUMBER [[:digit:]]
PNNUMBER [-+]?[[:digit:]]+
REAL [-+]?[[:digit:]]+(\.[[:digit:]]+)?
PX (px)
EM (em)
CH (ch)
PERCENT (\%)
INHERIT (inherit)
ASTERIX \*
/* Position */
CENTER (?i:center)
NORTH (?i:north)
SOUTH (?i:south)
EAST (?i:east)
WEST (?i:west)
/* Line Style */
NONE (?i:none)
BOLD (?i:bold)
UNDERLINE (?i:underline)
ITALIC (?i:italic)
STRIKETHROUGH (?i:strikethrough)
SMALLCAPS (?i:small\ caps)
/* ANGLES */
ANGLE_DEG (?i:deg)
ANGLE_GRAD (?i:grad)
ANGLE_RAD (?i:rad)
ANGLE_TURN (?i:turn)
/* LINE STYLE */
LS_DASH (?i:dash)
LS_SOLID (?i:solid)
/* Orientation */
ORIENTATION_HORI (?i:horizontal)
ORIENTATION_VERT (?i:vertical)
/* Color schema */
RGBA (?i:rgb[a]?)
HWB (?i:hwb)
CMYK (?i:cmyk)
HSL (?i:hsl[a]?)
COLOR_TRANSPARENT (?i:transparent)
S_T_PARENT_LEFT \(
S_T_PARENT_RIGHT \)
COMMA ,
FORWARD_SLASH \/
LIST_OPEN \[
LIST_CLOSE \]
CPP_COMMENT "//"
C_COMMENT_OPEN "/*"
INCLUDE "@import"
CONFIGURATION (?i:configuration)
%x INCLUDE
%x PROPERTIES
%x PROPERTIES_LIST
%x NAMESTR
%x SECTION
%x DEFAULTS
%%
%{
YY_LLOC_START
%}
%{
if ( queue == NULL ){
queue = g_queue_new ( );
yylloc->filename = current->filename;
// unsure why todo this.
yylloc->first_line = yylloc->last_line = 1;
yylloc->first_column = yylloc->last_column = 1;
}
%}
/**
* General code for handling comments.
* Both C and C++ style comments, including nexting.
*/
<*>{CPP_COMMENT} {
int c = input();
while ( c != 0 && c != EOF){
if (c == '\n') {
yylloc->last_column = 1;
yylloc->last_line ++;
break;
}
yylloc->last_column++;
c = input();
}
YY_LLOC_START
}
<*>{C_COMMENT_OPEN} {
int c = 0, p;
int nesting_depth = 1;
while (nesting_depth) {
p = c;
c = input();
switch (c) {
case '*': yylloc->last_column++; if (p == '/') { c = 0; nesting_depth++; } break;
case '/': yylloc->last_column++; if (p == '*') { c = 0; nesting_depth--; } break;
case '\n': {
yylloc->last_column = 1;
yylloc->last_line ++;
break;
}
case 0: nesting_depth = 0; break;
case EOF: nesting_depth = 0; break;
default:
yylloc->last_column++;
;
}
}
YY_LLOC_START
}
/**
* HANDLE INCLUDES
*/
<INITIAL>{INCLUDE} {
g_queue_push_head ( queue, GINT_TO_POINTER (YY_START) );
BEGIN(INCLUDE);
}
/** Skip all whitespace */
<INCLUDE>{WHITESPACE} {}
/** Parse path. Last element in this INCLUDE */
<INCLUDE>{STRING} {
yytext[yyleng-1] = '\0';
ParseObject *top = g_queue_peek_head ( file_queue );
g_assert ( top != NULL );
char *file2 = helper_get_theme_path ( &yytext[1] );
char *filename = rofi_theme_parse_prepare_file ( file2, top->filename );
g_free ( file2 );
if ( g_list_find_custom ( imported_files, filename, (GCompareFunc)g_strcmp0 ) != NULL ) {
g_debug ( "Skipping file: '%s' already parsed.", filename );
} else {
g_debug ( "Parsing file: '%s'", filename );
FILE *f = fopen ( filename, "rb" );
if ( f ) {
top->location = *yylloc;
ParseObject *po = g_malloc0(sizeof(ParseObject));
po->type = PT_FILE;
po->filename = filename;
po->filein = f;
current = po;
g_queue_push_head ( file_queue, po );
imported_files = g_list_append ( imported_files, po->filename );
yypush_buffer_state (yy_create_buffer ( 0, YY_BUF_SIZE ));
yylloc->first_line = yylloc->last_line = 1;
yylloc->first_column = yylloc->last_column = 1;
yylloc->filename = current->filename;
} else {
char *str = g_markup_printf_escaped ( "Failed to open theme: <i>%s</i>\nError: <b>%s</b>",
filename, strerror ( errno ) );
rofi_add_error_message ( g_string_new ( str ) );
g_free ( str );
g_free(filename);
}
}
// Pop out of include. */
BEGIN(GPOINTER_TO_INT(g_queue_pop_head ( queue )));
}
/** Everythin not yet parsed is an error. */
<INCLUDE>. {
return T_ERROR_INCLUDE;
}
/**
* END INCLUDES
*/
/**
* Handle defaults: * { ... }
*/
<INITIAL>{CONFIGURATION} {
g_queue_push_head ( queue, GINT_TO_POINTER (YY_START) );
BEGIN(DEFAULTS);
return T_CONFIGURATION;
}
<INITIAL>{ASTERIX} {
g_queue_push_head ( queue, GINT_TO_POINTER (YY_START) );
BEGIN(DEFAULTS);
return T_PDEFAULTS;
}
/** Skip all whitespace */
<DEFAULTS>{WHITESPACE} {}
<DEFAULTS>"\{" {
g_queue_push_head ( queue, GINT_TO_POINTER (YY_START) );
BEGIN(SECTION);
return T_BOPEN;
}
/** Everythin not yet parsed is an error. */
<DEFAULTS>. {
return T_ERROR_DEFAULTS;
}
<INITIAL>"#" { g_queue_push_head ( queue, GINT_TO_POINTER (YY_START) ); BEGIN(NAMESTR);return T_NAME_PREFIX;}
/* Go into parsing an section*/
<NAMESTR>"\{" {
g_queue_push_head ( queue, GINT_TO_POINTER (YY_START) );
BEGIN(SECTION);
return T_BOPEN;
}
/* Pop out of parsing an section. */
<SECTION>"\}" {
g_queue_pop_head ( queue );
BEGIN(GPOINTER_TO_INT(g_queue_pop_head ( queue )));
return T_BCLOSE;
}
<NAMESTR>\.|{WHITESPACE} { return T_NSEP; }
<NAMESTR>,{WHITESPACE}* { return T_SSEP; }
/* Alias color to text-color */
<SECTION>"color" { yylval->sval = g_strdup("text-color"); return T_PROP_NAME;}
<SECTION>{WORD} { yylval->sval = g_strdup(yytext); return T_PROP_NAME;}
<NAMESTR>{WORD} { yylval->sval = g_strdup(yytext); return T_NAME_ELEMENT;}
/* After Namestr/Classstr we want to go to state str, then to { */
<INITIAL,SECTION>{WHITESPACE}+ ; // ignore all whitespace
<PROPERTIES,PROPERTIES_LIST>{WHITESPACE}+ ; // ignore all whitespace
<SECTION>":" { g_queue_push_head ( queue, GINT_TO_POINTER (YY_START) ); BEGIN(PROPERTIES); return T_PSEP; }
<PROPERTIES>";" { BEGIN(GPOINTER_TO_INT ( g_queue_pop_head ( queue ))); return T_PCLOSE;}
<PROPERTIES>(true|false) { yylval->bval= g_strcmp0(yytext, "true") == 0; return T_BOOLEAN;}
<PROPERTIES>{PNNUMBER}\.{NUMBER}+ { yylval->fval = g_ascii_strtod(yytext, NULL); return T_DOUBLE;}
<PROPERTIES>{PNNUMBER} { yylval->ival = (int)g_ascii_strtoll(yytext, NULL, 10); return T_INT;}
<PROPERTIES>{STRING} { yytext[yyleng-1] = '\0'; yylval->sval = g_strcompress(&yytext[1]); return T_STRING;}
<PROPERTIES>@{WORD} {
yylval->sval = g_strdup(yytext);
return T_LINK;
}
<PROPERTIES>{EM} { return T_UNIT_EM; }
<PROPERTIES>{CH} { return T_UNIT_CH; }
<PROPERTIES>{PX} { return T_UNIT_PX; }
<PROPERTIES>{PERCENT} { return T_PERCENT; }
<PROPERTIES>{LS_SOLID} { return T_SOLID; }
<PROPERTIES>{LS_DASH} { return T_DASH; }
<PROPERTIES>{INHERIT} { return T_INHERIT; }
/**
* Color parsing. It is easier to do this at lexer level.
* Other schemes are done at yacc level.
*/
<PROPERTIES>#{HEX}{8} {
yylval->colorval.red = rofi_theme_parse_convert_hex(yytext[1],yytext[2]);
yylval->colorval.green = rofi_theme_parse_convert_hex(yytext[3],yytext[4]);
yylval->colorval.blue = rofi_theme_parse_convert_hex(yytext[5],yytext[6]);
yylval->colorval.alpha = rofi_theme_parse_convert_hex(yytext[7],yytext[8]);
return T_COLOR;
}
<PROPERTIES>#{HEX}{6} {
yylval->colorval.alpha = 1.0;
yylval->colorval.red = rofi_theme_parse_convert_hex(yytext[1],yytext[2]);
yylval->colorval.green = rofi_theme_parse_convert_hex(yytext[3],yytext[4]);
yylval->colorval.blue = rofi_theme_parse_convert_hex(yytext[5],yytext[6]);
return T_COLOR;
}
<PROPERTIES>#{HEX}{3} {
yylval->colorval.alpha = 1.0;
yylval->colorval.red = rofi_theme_parse_convert_hex(yytext[1],yytext[1]);
yylval->colorval.green = rofi_theme_parse_convert_hex(yytext[2],yytext[2]);
yylval->colorval.blue = rofi_theme_parse_convert_hex(yytext[3],yytext[3]);
return T_COLOR;
}
<PROPERTIES>#{HEX}{4} {
yylval->colorval.alpha = rofi_theme_parse_convert_hex(yytext[4],yytext[4]);
yylval->colorval.red = rofi_theme_parse_convert_hex(yytext[1],yytext[1]);
yylval->colorval.green = rofi_theme_parse_convert_hex(yytext[2],yytext[2]);
yylval->colorval.blue = rofi_theme_parse_convert_hex(yytext[3],yytext[3]);
return T_COLOR;
}
<PROPERTIES>argb:{HEX}{7,8} {
yylval->colorval.alpha = rofi_theme_parse_convert_hex(yytext[5],yytext[6]);
yylval->colorval.red = rofi_theme_parse_convert_hex(yytext[7],yytext[8]);
yylval->colorval.green = rofi_theme_parse_convert_hex(yytext[9],yytext[10]);
yylval->colorval.blue = rofi_theme_parse_convert_hex(yytext[11],yytext[12]);
return T_COLOR;
}
/* Color schemes */
<PROPERTIES>{RGBA} { return T_COL_RGBA; }
<PROPERTIES>{HSL} { return T_COL_HSL; }
<PROPERTIES>{HWB} { return T_COL_HWB; }
<PROPERTIES>{CMYK} { return T_COL_CMYK; }
/* Fluff */
<PROPERTIES>{S_T_PARENT_LEFT} { return T_PARENT_LEFT; }
<PROPERTIES>{S_T_PARENT_RIGHT} { return T_PARENT_RIGHT; }
<PROPERTIES,PROPERTIES_LIST>{COMMA} { return T_COMMA; }
<PROPERTIES>{LIST_OPEN} {
g_queue_push_head ( queue, GINT_TO_POINTER (YY_START) );
BEGIN(PROPERTIES_LIST);
return T_LIST_OPEN;
}
<PROPERTIES_LIST>{LIST_CLOSE} {
BEGIN(GPOINTER_TO_INT(g_queue_pop_head ( queue )));
return T_LIST_CLOSE;
}
<PROPERTIES>{FORWARD_SLASH} { return T_FORWARD_SLASH; }
/* Position */
<PROPERTIES>{CENTER} { return T_POS_CENTER; }
<PROPERTIES>{EAST} { return T_POS_EAST; }
<PROPERTIES>{WEST} { return T_POS_WEST; }
<PROPERTIES>{SOUTH} { return T_POS_SOUTH; }
<PROPERTIES>{NORTH} { return T_POS_NORTH; }
/* Highlight style */
<PROPERTIES>{NONE} { return T_NONE; }
<PROPERTIES>{BOLD} { return T_BOLD; }
<PROPERTIES>{ITALIC} { return T_ITALIC; }
<PROPERTIES>{UNDERLINE} { return T_UNDERLINE; }
<PROPERTIES>{STRIKETHROUGH} { return T_STRIKETHROUGH; }
<PROPERTIES>{SMALLCAPS} { return T_SMALLCAPS; }
<PROPERTIES>{ANGLE_DEG} { return T_ANGLE_DEG; }
<PROPERTIES>{ANGLE_RAD} { return T_ANGLE_RAD; }
<PROPERTIES>{ANGLE_GRAD} { return T_ANGLE_GRAD; }
<PROPERTIES>{ANGLE_TURN} { return T_ANGLE_TURN; }
<PROPERTIES>{ORIENTATION_HORI} { return ORIENTATION_HORI; }
<PROPERTIES>{ORIENTATION_VERT} { return ORIENTATION_VERT; }
<PROPERTIES>{COLOR_TRANSPARENT} {
return T_COLOR_TRANSPARENT;
}
<PROPERTIES>{COLOR_NAME} {
for ( unsigned int iter = 0; iter < num_CSSColors; iter++){
if ( strcasecmp(yytext, CSSColors[iter].name )== 0 ) {
yylval->colorval.alpha = 1.0;
yylval->colorval.red = CSSColors[iter].r/255.0;
yylval->colorval.green = CSSColors[iter].g/255.0;
yylval->colorval.blue = CSSColors[iter].b/255.0;
return T_COLOR_NAME;
}
}
REJECT;
}
<INITIAL><<EOF>> {
ParseObject *po = g_queue_pop_head ( file_queue );
if ( po ) {
if ( po->type == PT_FILE ){
fclose ( po->filein );
}
g_free ( po );
}
po = g_queue_peek_head ( file_queue );
if ( po == NULL ) {
g_queue_free ( queue );
// Reset pointer to NULL
queue = NULL;
yyterminate();
} else {
yypop_buffer_state();
current = po;
*yylloc = current->location;
BEGIN(GPOINTER_TO_INT ( g_queue_pop_head ( queue )));
}
}
<*>\n {
yylloc->last_column = 1;
yylloc->last_line ++;
};
<*>(\r\n) {
yylloc->last_column = 1;
yylloc->last_line ++;
};
<INITIAL>. {
return T_ERROR;
}
<SECTION>. {
return T_ERROR_SECTION;
}
<PROPERTIES_LIST>{WORD} {
yylval->sval = g_strdup(yytext);
return T_ELEMENT;
}
<PROPERTIES,PROPERTIES_LIST>. {
return T_ERROR_PROPERTY;
}
<NAMESTR>. {
return T_ERROR_NAMESTRING;
}
%%
gboolean rofi_theme_parse_file ( const char *file )
{
char *file2 = helper_get_theme_path ( file );
char *filename = rofi_theme_parse_prepare_file ( file2, NULL );
g_free ( file2 );
yyin = fopen ( filename, "rb" );
if ( yyin == NULL ) {
char *str = g_markup_printf_escaped ( "Failed to open theme: <i>%s</i>\nError: <b>%s</b>",
filename, strerror ( errno ) );
rofi_add_error_message ( g_string_new ( str ) );
g_free ( str );
g_free ( filename );
return TRUE;
}
/** Add Parse object */
file_queue = g_queue_new ();
ParseObject *po = g_malloc0(sizeof(ParseObject));
po->type = PT_FILE;
po->filename = filename;
po->filein = yyin;
current = po;
imported_files = g_list_append ( imported_files, po->filename );
g_queue_push_head ( file_queue, po );
g_debug ( "Parsing top file: '%s'", filename );
int parser_retv = yyparse ( file );
yylex_destroy ();
yyin = NULL;
while ( (po = g_queue_pop_head ( file_queue ) )) {
if ( po ) {
if ( po->type == PT_FILE ){
fclose ( po->filein );
}
g_free ( po );
}
}
// Free up.
g_list_foreach ( imported_files, (GFunc)g_free, NULL);
g_list_free ( imported_files );
g_queue_free ( file_queue );
imported_files = NULL;
file_queue = NULL;
if ( parser_retv != 0 ) {
return TRUE;
}
return FALSE;
}
gboolean rofi_theme_parse_string ( const char *string )
{
yyin = NULL;
/** Add Parse object */
file_queue = g_queue_new ();
ParseObject *po = g_malloc0(sizeof(ParseObject));
po->type = PT_STRING;
po->input_str = string;
po->str_len = strlen(string);
current = po;
g_queue_push_head ( file_queue, po );
g_debug ( "Parsing string: '%s'", string );
int parser_retv = yyparse ( string );
yylex_destroy ();
while ( (po = g_queue_pop_head ( file_queue ) )) {
if ( po ) {
if ( po->type == PT_FILE ){
fclose ( po->filein );
}
g_free ( po );
}
}
// Free up.
g_list_foreach ( imported_files, (GFunc)g_free, NULL);
g_list_free ( imported_files );
imported_files = NULL;
g_queue_free ( file_queue );
file_queue = NULL;
if ( parser_retv != 0 ) {
return TRUE;
}
return FALSE;
}
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