244 lines
11 KiB
C
244 lines
11 KiB
C
/*
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* Copyright (c) 2017 Alex Yatskov <alex@foosoft.net>
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* Author: Alex Yatskov <alex@foosoft.net>
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy of
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* this software and associated documentation files (the "Software"), to deal in
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* the Software without restriction, including without limitation the rights to
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* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
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* the Software, and to permit persons to whom the Software is furnished to do so,
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* subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
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* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
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* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#include <assert.h>
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#include <stdio.h>
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#include "hooks.h"
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#include "util.h"
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#include "eb/eb/eb.h"
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#include "eb/eb/text.h"
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/*
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* Macros
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*/
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#define HOOK_FUNC_NAME(NAME) hook_##NAME
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#define HOOK_TAGGER(NAME) \
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static EB_Error_Code HOOK_FUNC_NAME(NAME)(\
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EB_Book* book,\
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EB_Appendix* appendix,\
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void* container,\
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EB_Hook_Code code,\
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int argc,\
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const unsigned int argv[]\
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) {\
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(void)appendix;\
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(void)container;\
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(void)code;\
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(void)argc;\
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(void)argv;\
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eb_write_text_string(book, "<" #NAME ">");\
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return 0;\
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}
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/*
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* Local functions
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*/
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HOOK_TAGGER(begin_candidate); /* EB_HOOK_BEGIN_CANDIDATE */
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HOOK_TAGGER(begin_clickable_area); /* EB_HOOK_BEGIN_CLICKABLE_AREA */
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HOOK_TAGGER(begin_color_bmp); /* EB_HOOK_BEGIN_COLOR_BMP */
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HOOK_TAGGER(begin_color_jpeg); /* EB_HOOK_BEGIN_COLOR_JPEG */
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HOOK_TAGGER(begin_decoration); /* EB_HOOK_BEGIN_DECORATION */
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HOOK_TAGGER(begin_ebxac_gaiji); /* EB_HOOK_BEGIN_EBXAC_GAIJI */
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HOOK_TAGGER(begin_emphasis); /* EB_HOOK_BEGIN_EMPHASIS */
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HOOK_TAGGER(begin_graphic_reference); /* EB_HOOK_BEGIN_GRAPHIC_REFERENCE */
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HOOK_TAGGER(begin_gray_graphic); /* EB_HOOK_BEGIN_GRAY_GRAPHIC */
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HOOK_TAGGER(begin_image_page); /* EB_HOOK_BEGIN_IMAGE_PAGE */
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HOOK_TAGGER(begin_in_color_bmp); /* EB_HOOK_BEGIN_IN_COLOR_BMP */
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HOOK_TAGGER(begin_in_color_jpeg); /* EB_HOOK_BEGIN_IN_COLOR_JPEG */
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HOOK_TAGGER(begin_keyword); /* EB_HOOK_BEGIN_KEYWORD */
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HOOK_TAGGER(begin_mono_graphic); /* EB_HOOK_BEGIN_MONO_GRAPHIC */
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HOOK_TAGGER(begin_mpeg); /* EB_HOOK_BEGIN_MPEG */
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HOOK_TAGGER(begin_narrow); /* EB_HOOK_BEGIN_NARROW */
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HOOK_TAGGER(begin_no_newline); /* EB_HOOK_BEGIN_NO_NEWLINE */
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HOOK_TAGGER(begin_reference); /* EB_HOOK_BEGIN_REFERENCE */
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HOOK_TAGGER(begin_subscript); /* EB_HOOK_BEGIN_SUBSCRIPT */
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HOOK_TAGGER(begin_superscript); /* EB_HOOK_BEGIN_SUPERSCRIPT */
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HOOK_TAGGER(begin_unicode); /* EB_HOOK_BEGIN_UNICODE */
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HOOK_TAGGER(begin_wave); /* EB_HOOK_BEGIN_WAVE */
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HOOK_TAGGER(end_candidate_group); /* EB_HOOK_END_CANDIDATE_GROUP */
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HOOK_TAGGER(end_candidate_leaf); /* EB_HOOK_END_CANDIDATE_LEAF */
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HOOK_TAGGER(end_clickable_area); /* EB_HOOK_END_CLICKABLE_AREA */
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HOOK_TAGGER(end_color_graphic); /* EB_HOOK_END_COLOR_GRAPHIC */
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HOOK_TAGGER(end_decoration); /* EB_HOOK_END_DECORATION */
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HOOK_TAGGER(end_ebxac_gaiji); /* EB_HOOK_END_EBXAC_GAIJI */
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HOOK_TAGGER(end_emphasis); /* EB_HOOK_END_EMPHASIS */
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HOOK_TAGGER(end_graphic_reference); /* EB_HOOK_END_GRAPHIC_REFERENCE */
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HOOK_TAGGER(end_gray_graphic); /* EB_HOOK_END_GRAY_GRAPHIC */
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HOOK_TAGGER(end_image_page); /* EB_HOOK_END_IMAGE_PAGE */
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HOOK_TAGGER(end_in_color_graphic); /* EB_HOOK_END_IN_COLOR_GRAPHIC */
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HOOK_TAGGER(end_keyword); /* EB_HOOK_END_KEYWORD */
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HOOK_TAGGER(end_mono_graphic); /* EB_HOOK_END_MONO_GRAPHIC */
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HOOK_TAGGER(end_mpeg); /* EB_HOOK_END_MPEG */
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HOOK_TAGGER(end_narrow); /* EB_HOOK_END_NARROW */
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HOOK_TAGGER(end_no_newline); /* EB_HOOK_END_NO_NEWLINE */
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HOOK_TAGGER(end_subscript); /* EB_HOOK_END_SUBSCRIPT */
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HOOK_TAGGER(end_superscript); /* EB_HOOK_END_SUPERSCRIPT */
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HOOK_TAGGER(end_unicode); /* EB_HOOK_END_UNICODE */
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HOOK_TAGGER(end_wave); /* EB_HOOK_END_WAVE */
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HOOK_TAGGER(graphic_reference); /* EB_HOOK_GRAPHIC_REFERENCE */
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HOOK_TAGGER(newline); /* EB_HOOK_NEWLINE */
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HOOK_TAGGER(null); /* EB_HOOK_NULL */
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HOOK_TAGGER(set_indent); /* EB_HOOK_SET_INDENT */
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static EB_Error_Code hook_end_reference( /* EB_HOOK_END_REFERENCE */
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EB_Book* book,
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EB_Appendix* appendix,
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void* container,
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EB_Hook_Code code,
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int argc,
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const unsigned int argv[]
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) {
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(void)appendix;
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(void)container;
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(void)code;
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assert(argc >= 3);
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char ref[256];
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snprintf(ref, ARRSIZE(ref), "<end_reference page=%d offset=%d>", argv[1], argv[2]);
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ref[ARRSIZE(ref) - 1] = 0;
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eb_write_text_string(book, ref);
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return 0;
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}
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static EB_Error_Code hook_narrow_font( /* EB_HOOK_NARROW_FONT */
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EB_Book* book,
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EB_Appendix* appendix,
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void* container,
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EB_Hook_Code code,
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int argc,
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const unsigned int argv[]
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) {
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(void)appendix;
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(void)container;
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(void)code;
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char stub[32];
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assert(argc >= 1);
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snprintf(stub, ARRSIZE(stub), "{{n_%u}}", argv[0]);
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stub[ARRSIZE(stub) - 1] = 0;
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eb_write_text_string(book, stub);
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return 0;
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}
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static EB_Error_Code hook_wide_font( /* EB_HOOK_WIDE_FONT */
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EB_Book* book,
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EB_Appendix* appendix,
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void* container,
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EB_Hook_Code code,
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int argc,
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const unsigned int argv[]
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) {
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(void)appendix;
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(void)container;
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(void)code;
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char stub[32];
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assert(argc >= 1);
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snprintf(stub, ARRSIZE(stub), "{{w_%u}}", argv[0]);
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stub[ARRSIZE(stub) - 1] = 0;
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eb_write_text_string(book, stub);
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return 0;
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}
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/*
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* Local data
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*/
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static const EB_Hook s_hooks_markup[] = {
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{ EB_HOOK_BEGIN_CANDIDATE, HOOK_FUNC_NAME(begin_candidate) },
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{ EB_HOOK_BEGIN_CLICKABLE_AREA, HOOK_FUNC_NAME(begin_clickable_area) },
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{ EB_HOOK_BEGIN_COLOR_BMP, HOOK_FUNC_NAME(begin_color_bmp) },
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{ EB_HOOK_BEGIN_COLOR_JPEG, HOOK_FUNC_NAME(begin_color_jpeg) },
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{ EB_HOOK_BEGIN_DECORATION, HOOK_FUNC_NAME(begin_decoration) },
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{ EB_HOOK_BEGIN_EBXAC_GAIJI, HOOK_FUNC_NAME(begin_ebxac_gaiji) },
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{ EB_HOOK_BEGIN_EMPHASIS, HOOK_FUNC_NAME(begin_emphasis) },
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{ EB_HOOK_BEGIN_GRAPHIC_REFERENCE, HOOK_FUNC_NAME(begin_graphic_reference) },
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{ EB_HOOK_BEGIN_GRAY_GRAPHIC, HOOK_FUNC_NAME(begin_gray_graphic) },
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{ EB_HOOK_BEGIN_IMAGE_PAGE, HOOK_FUNC_NAME(begin_image_page) },
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{ EB_HOOK_BEGIN_IN_COLOR_BMP, HOOK_FUNC_NAME(begin_in_color_bmp) },
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{ EB_HOOK_BEGIN_IN_COLOR_JPEG, HOOK_FUNC_NAME(begin_in_color_jpeg) },
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{ EB_HOOK_BEGIN_KEYWORD, HOOK_FUNC_NAME(begin_keyword) },
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{ EB_HOOK_BEGIN_MONO_GRAPHIC, HOOK_FUNC_NAME(begin_mono_graphic) },
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{ EB_HOOK_BEGIN_MPEG, HOOK_FUNC_NAME(begin_mpeg) },
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{ EB_HOOK_BEGIN_NARROW, HOOK_FUNC_NAME(begin_narrow) },
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{ EB_HOOK_BEGIN_NO_NEWLINE, HOOK_FUNC_NAME(begin_no_newline) },
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{ EB_HOOK_BEGIN_REFERENCE, HOOK_FUNC_NAME(begin_reference) },
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{ EB_HOOK_BEGIN_SUBSCRIPT, HOOK_FUNC_NAME(begin_subscript) },
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{ EB_HOOK_BEGIN_SUPERSCRIPT, HOOK_FUNC_NAME(begin_superscript) },
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{ EB_HOOK_BEGIN_UNICODE, HOOK_FUNC_NAME(begin_unicode) },
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{ EB_HOOK_BEGIN_WAVE, HOOK_FUNC_NAME(begin_wave) },
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{ EB_HOOK_END_CANDIDATE_GROUP, HOOK_FUNC_NAME(end_candidate_group) },
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{ EB_HOOK_END_CANDIDATE_LEAF, HOOK_FUNC_NAME(end_candidate_leaf) },
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{ EB_HOOK_END_CLICKABLE_AREA, HOOK_FUNC_NAME(end_clickable_area) },
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{ EB_HOOK_END_COLOR_GRAPHIC, HOOK_FUNC_NAME(end_color_graphic) },
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{ EB_HOOK_END_DECORATION, HOOK_FUNC_NAME(end_decoration) },
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{ EB_HOOK_END_EBXAC_GAIJI, HOOK_FUNC_NAME(end_ebxac_gaiji) },
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{ EB_HOOK_END_EMPHASIS, HOOK_FUNC_NAME(end_emphasis) },
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{ EB_HOOK_END_GRAPHIC_REFERENCE, HOOK_FUNC_NAME(end_graphic_reference) },
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{ EB_HOOK_END_GRAY_GRAPHIC, HOOK_FUNC_NAME(end_gray_graphic) },
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{ EB_HOOK_END_IMAGE_PAGE, HOOK_FUNC_NAME(end_image_page) },
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{ EB_HOOK_END_IN_COLOR_GRAPHIC, HOOK_FUNC_NAME(end_in_color_graphic) },
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{ EB_HOOK_END_KEYWORD, HOOK_FUNC_NAME(end_keyword) },
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{ EB_HOOK_END_MONO_GRAPHIC, HOOK_FUNC_NAME(end_mono_graphic) },
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{ EB_HOOK_END_MPEG, HOOK_FUNC_NAME(end_mpeg) },
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{ EB_HOOK_END_NARROW, HOOK_FUNC_NAME(end_narrow) },
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{ EB_HOOK_END_NO_NEWLINE, HOOK_FUNC_NAME(end_no_newline) },
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{ EB_HOOK_END_REFERENCE, HOOK_FUNC_NAME(end_reference) },
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{ EB_HOOK_END_SUBSCRIPT, HOOK_FUNC_NAME(end_subscript) },
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{ EB_HOOK_END_SUPERSCRIPT, HOOK_FUNC_NAME(end_superscript) },
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{ EB_HOOK_END_UNICODE, HOOK_FUNC_NAME(end_unicode) },
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{ EB_HOOK_END_WAVE, HOOK_FUNC_NAME(end_wave) },
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{ EB_HOOK_GRAPHIC_REFERENCE, HOOK_FUNC_NAME(graphic_reference) },
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{ EB_HOOK_NEWLINE, HOOK_FUNC_NAME(newline) },
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{ EB_HOOK_NULL, HOOK_FUNC_NAME(null) },
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{ EB_HOOK_SET_INDENT, HOOK_FUNC_NAME(set_indent) },
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};
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static const EB_Hook s_hooks_basic[] = {
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{ EB_HOOK_WIDE_FONT, HOOK_FUNC_NAME(wide_font) },
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{ EB_HOOK_NARROW_FONT, HOOK_FUNC_NAME(narrow_font) },
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};
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/*
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* Exported functions
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*/
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void hooks_install(EB_Hookset* hookset, int flags) {
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for (unsigned i = 0; i < ARRSIZE(s_hooks_basic); ++i) {
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eb_set_hook(hookset, s_hooks_basic + i);
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}
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if (flags & FLAG_HOOK_MARKUP) {
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for (unsigned i = 0; i < ARRSIZE(s_hooks_markup); ++i) {
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eb_set_hook(hookset, s_hooks_markup + i);
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}
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}
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}
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