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/*
* storycode.l
*
* Copyright © 2019 Thomas White <taw@bitwiz.org.uk>
*
* This file is part of Colloquium.
*
* Colloquium is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
%{
#define YYDEBUG 1
#include "narrative.h"
#include "slide.h"
#include "stylesheet.h"
#include "storycode_parse.h"
int lineno = 0;
int sqb_caller = 0;
%}
%option prefix="sc"
%option noyywrap nounput noinput
%s geom
%s font
%s filename
%s paraspace
%s pad
%s align
%s col
%s sqb
%x stringesc
%x runtext
%s image
%s image_filename
%%
STYLES { return SC_STYLES; }
PRESTITLE { return SC_PRESTITLE; }
SLIDETITLE { return SC_SLIDETITLE; }
NARRATIVE { return SC_NARRATIVE; }
SLIDE { return SC_SLIDE; }
ENDOFPRESENTATION { return SC_EOP; }
BP { return SC_BP; }
GEOMETRY { BEGIN(geom); return SC_GEOMETRY; }
TEXT { return SC_TEXTFRAME; }
FOOTER { return SC_FOOTER; }
FONT[ ] { BEGIN(font); return SC_FONT; }
PAD { BEGIN(pad); return SC_PAD; }
PARASPACE { BEGIN(paraspace); return SC_PARASPACE; }
ALIGN { BEGIN(align); return SC_ALIGN; }
FGCOL { BEGIN(col); return SC_FGCOL; }
BGCOL { BEGIN(col); return SC_BGCOL; }
<col>VERT { return SC_VERT; }
<col>VERTICAL { return SC_VERT; }
<col>HORIZ { return SC_HORIZ; }
<col>HORIZONTAL { return SC_HORIZ; }
<align,sqb>(?i:left) { return SC_LEFT; }
<align,sqb>(?i:center) { return SC_CENTER; }
<align,sqb>(?i:right) { return SC_RIGHT; }
<font>.*\n { sclval.str = strdup(yytext);
sclval.str[yyleng-1] = '\0';
BEGIN(0);
lineno++;
return SC_FONTNAME; }
<INITIAL>IMAGE { BEGIN(image); return SC_IMAGEFRAME; }
<image>:[ ] { BEGIN(image_filename); return SC_TEXT_START; }
<image_filename>[^\n]* { sclval.str = strdup(yytext);
lineno++;
return SC_FILENAME; }
<INITIAL>:[ ] { BEGIN(runtext); return SC_TEXT_START; }
<runtext>[\\] { BEGIN(stringesc); }
<stringesc>. { sclval.str = strdup(yytext); BEGIN(runtext); return SC_RUN_TEXT; }
<runtext>[\*] { return '*'; }
<runtext>[/] { return '/'; }
<runtext>[_] { return '_'; }
<runtext>[^\\\*/_\n]* { sclval.str = strdup(yytext);
sclval.str[yyleng] = '\0';
return SC_RUN_TEXT; }
<runtext>\n { BEGIN(0); lineno++; }
\n { BEGIN(0); lineno++; }
"[" { sqb_caller = YY_START; BEGIN(sqb); return SC_SQOPEN; }
"]" { BEGIN(sqb_caller); return SC_SQCLOSE; }
[{] { return '{'; }
[}] { return '}'; }
[. ] {}
[0-9\.]+ { sclval.val = atof(yytext); return SC_VALUE; }
[uf] { sclval.character = yytext[0]; return SC_UNIT; }
[+] { return '+'; }
[x] { return 'x'; }
[,] { return ','; }
<col>#[[:xdigit:]]{6} { sclval.str = strdup(yytext); return SC_HEXCOL; }
%%
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