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[Lexer] Add support for environment variables. 

You can do ${TEST} to parse the content of TEST. This will be fed into
the lexer again, and should parse all properties.
This commit is contained in:
Dave Davenport 2018-07-09 11:48:32 +02:00
parent a92bcc2818
commit 711d4517b9
1 changed files with 74 additions and 49 deletions
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123
lexer/theme-lexer.l
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@ -177,6 +177,8 @@ INHERIT (inherit)
ASTERIX \*
ENV $\{[A-Z0-9]*\}
/* Position */
CENTER (?i:center)
NORTH (?i:north)
@ -235,6 +237,7 @@ CONFIGURATION (?i:configuration)
%x INCLUDE
%x PROPERTIES
%x PROPERTIES_ENV
%x PROPERTIES_LIST
%x NAMESTR
%x SECTION
@ -413,81 +416,103 @@ if ( queue == NULL ){
/* 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
<PROPERTIES,PROPERTIES_ENV,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,PROPERTIES_ENV>(true|false) { yylval->bval= g_strcmp0(yytext, "true") == 0; return T_BOOLEAN;}
<PROPERTIES,PROPERTIES_ENV>{PNNUMBER}\.{NUMBER}+ { yylval->fval = g_ascii_strtod(yytext, NULL); return T_DOUBLE;}
<PROPERTIES,PROPERTIES_ENV>{PNNUMBER} { yylval->ival = (int)g_ascii_strtoll(yytext, NULL, 10); return T_INT;}
<PROPERTIES,PROPERTIES_ENV>{STRING} { yytext[yyleng-1] = '\0'; yylval->sval = g_strcompress(&yytext[1]); return T_STRING;}
<PROPERTIES>@{WORD} {
<PROPERTIES,PROPERTIES_ENV>@{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,PROPERTIES_ENV>{EM} { return T_UNIT_EM; }
<PROPERTIES,PROPERTIES_ENV>{CH} { return T_UNIT_CH; }
<PROPERTIES,PROPERTIES_ENV>{PX} { return T_UNIT_PX; }
<PROPERTIES,PROPERTIES_ENV>{PERCENT} { return T_PERCENT; }
<PROPERTIES,PROPERTIES_ENV>{LS_SOLID} { return T_SOLID; }
<PROPERTIES,PROPERTIES_ENV>{LS_DASH} { return T_DASH; }
<PROPERTIES>{INHERIT} { return T_INHERIT; }
<PROPERTIES,PROPERTIES_ENV>{INHERIT} { return T_INHERIT; }
<PROPERTIES,PROPERTIES_ENV>{ENV} {
yytext[yyleng-1] = '\0';
const char *val = g_getenv(yytext+2);
if ( val ) {
ParseObject *top = g_queue_peek_head ( file_queue );
top->location = *yylloc;
ParseObject *po = g_malloc0(sizeof(ParseObject));
po->type = PT_STRING;
po->input_str = val;
po->str_len = strlen(val);
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;
g_queue_push_head ( queue, GINT_TO_POINTER (YY_START) ); BEGIN(PROPERTIES_ENV);
}
}
/**
* Color parsing. It is easier to do this at lexer level.
* Other schemes are done at yacc level.
*/
<PROPERTIES>#{HEX}{8} {
<PROPERTIES,PROPERTIES_ENV>#{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} {
<PROPERTIES,PROPERTIES_ENV>#{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} {
<PROPERTIES,PROPERTIES_ENV>#{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} {
<PROPERTIES,PROPERTIES_ENV>#{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}{8} {
<PROPERTIES,PROPERTIES_ENV>argb:{HEX}{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;
}
<PROPERTIES>argb:{HEX}{7} {
<PROPERTIES,PROPERTIES_ENV>argb:{HEX}{7} {
return T_ERROR_ARGB_SPEC;
}
/* 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; }
<PROPERTIES,PROPERTIES_ENV>{RGBA} { return T_COL_RGBA; }
<PROPERTIES,PROPERTIES_ENV>{HSL} { return T_COL_HSL; }
<PROPERTIES,PROPERTIES_ENV>{HWB} { return T_COL_HWB; }
<PROPERTIES,PROPERTIES_ENV>{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} {
<PROPERTIES,PROPERTIES_ENV>{S_T_PARENT_LEFT} { return T_PARENT_LEFT; }
<PROPERTIES,PROPERTIES_ENV>{S_T_PARENT_RIGHT} { return T_PARENT_RIGHT; }
<PROPERTIES,PROPERTIES_ENV,PROPERTIES_LIST>{COMMA} { return T_COMMA; }
<PROPERTIES,PROPERTIES_ENV>{LIST_OPEN} {
g_queue_push_head ( queue, GINT_TO_POINTER (YY_START) );
BEGIN(PROPERTIES_LIST);
return T_LIST_OPEN;
@ -496,33 +521,33 @@ if ( queue == NULL ){
BEGIN(GPOINTER_TO_INT(g_queue_pop_head ( queue )));
return T_LIST_CLOSE;
}
<PROPERTIES>{FORWARD_SLASH} { return T_FORWARD_SLASH; }
<PROPERTIES,PROPERTIES_ENV>{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; }
<PROPERTIES,PROPERTIES_ENV>{CENTER} { return T_POS_CENTER; }
<PROPERTIES,PROPERTIES_ENV>{EAST} { return T_POS_EAST; }
<PROPERTIES,PROPERTIES_ENV>{WEST} { return T_POS_WEST; }
<PROPERTIES,PROPERTIES_ENV>{SOUTH} { return T_POS_SOUTH; }
<PROPERTIES,PROPERTIES_ENV>{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,PROPERTIES_ENV>{NONE} { return T_NONE; }
<PROPERTIES,PROPERTIES_ENV>{BOLD} { return T_BOLD; }
<PROPERTIES,PROPERTIES_ENV>{ITALIC} { return T_ITALIC; }
<PROPERTIES,PROPERTIES_ENV>{UNDERLINE} { return T_UNDERLINE; }
<PROPERTIES,PROPERTIES_ENV>{STRIKETHROUGH} { return T_STRIKETHROUGH; }
<PROPERTIES,PROPERTIES_ENV>{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,PROPERTIES_ENV>{ANGLE_DEG} { return T_ANGLE_DEG; }
<PROPERTIES,PROPERTIES_ENV>{ANGLE_RAD} { return T_ANGLE_RAD; }
<PROPERTIES,PROPERTIES_ENV>{ANGLE_GRAD} { return T_ANGLE_GRAD; }
<PROPERTIES,PROPERTIES_ENV>{ANGLE_TURN} { return T_ANGLE_TURN; }
<PROPERTIES>{ORIENTATION_HORI} { return ORIENTATION_HORI; }
<PROPERTIES>{ORIENTATION_VERT} { return ORIENTATION_VERT; }
<PROPERTIES,PROPERTIES_ENV>{ORIENTATION_HORI} { return ORIENTATION_HORI; }
<PROPERTIES,PROPERTIES_ENV>{ORIENTATION_VERT} { return ORIENTATION_VERT; }
<PROPERTIES>{COLOR_TRANSPARENT} {
<PROPERTIES,PROPERTIES_ENV>{COLOR_TRANSPARENT} {
return T_COLOR_TRANSPARENT;
}
<PROPERTIES>{COLOR_NAME} {
<PROPERTIES,PROPERTIES_ENV>{COLOR_NAME} {
for ( unsigned int iter = 0; iter < num_CSSColors; iter++){
if ( strcasecmp(yytext, CSSColors[iter].name )== 0 ) {
yylval->colorval.alpha = 1.0;
@ -535,7 +560,7 @@ if ( queue == NULL ){
REJECT;
}
<INITIAL><<EOF>> {
<INITIAL,PROPERTIES_ENV><<EOF>> {
ParseObject *po = g_queue_pop_head ( file_queue );
if ( po ) {
if ( po->type == PT_FILE ){
@ -592,7 +617,7 @@ if ( queue == NULL ){
return T_ELEMENT;
}
<PROPERTIES,PROPERTIES_LIST>. {
<PROPERTIES,PROPERTIES_ENV,PROPERTIES_LIST>. {
return T_ERROR_PROPERTY;
}
<NAMESTR>. {