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The idea comes from The OpenGL Shader Wrangler (http://prideout.net/blog/?p=11). Text files are broken up into chunks via lines beginning with -- (^-- in regex). The chunks are optionally named with tags of the form: [0-9A-Za-z._]+. Unnamed chunks cannot be found. Searching for chunks looks for the longest tag that matches the beginning of the search tag (eg, a chunk named "Vertex" will be found with a search tag of "Vertex.foo"). Note that '.' forms the units for the searc ("Vertex.foo" will not find "Vertex.f"). Unlike glsw, this implementation does not have the concept of effects keys as that will be separate. Also, this implementation takes strings rather than file names (thus is more generally useful).
58 lines
1.5 KiB
C
58 lines
1.5 KiB
C
/*
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segtext.h
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Segmented text file handling
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Copyright (C) 2013 Bill Currie <bill@taniwha.org>
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Author: Bill Currie <bill@taniwha.org>
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Date: 2013/02/26
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to:
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Free Software Foundation, Inc.
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59 Temple Place - Suite 330
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Boston, MA 02111-1307, USA
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*/
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#ifndef __QF_segtext_h
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#define __QF_segtext_h
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/** \defgroup segtext Segmented text files.
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\ingroup utils
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Based on The OpenGL Shader Wrangler: http://prideout.net/blog/?p=11
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*/
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typedef struct segchunk_s {
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struct segchunk_s *next;
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const char *tag;
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const char *text;
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int start_line;
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} segchunk_t;
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typedef struct segtext_s {
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struct segtext_s *next;
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segchunk_t *chunk_list;
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struct hashtab_s *tab;
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} segtext_t;
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segtext_t *Segtext_new (const char *src);
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void Segtext_delete (segtext_t *st);
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const segchunk_t *Segtext_FindChunk (const segtext_t *st, const char *tag);
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const char *Segtext_Find (const segtext_t *st, const char *tag);
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#endif//__QF_segtext_h
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