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* $Id: filter.h 388 2007-01-24 18:57:42Z hubert@u.washington.edu $
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* ========================================================================
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* Copyright 2006-2007 University of Washington
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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* http://www.apache.org/licenses/LICENSE-2.0
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* ========================================================================
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#ifndef PITH_FILTER_INCLUDED
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#define PITH_FILTER_INCLUDED
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#include "../pith/filttype.h"
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#include "../pith/handle.h"
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#include "../pith/store.h"
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/* gf_html2plain flags */
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#define GFHP_STRIPPED 0x01
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#define GFHP_HANDLES 0x02
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#define GFHP_LOCAL_HANDLES 0x04
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#define GFHP_NO_RELATIVE 0x08
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#define GFHP_RELATED_CONTENT 0x10
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#define GFW_HANDLES 0x01 /* anticpate handle data */
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#define GFW_ONCOMMA 0x02 /* prefer comma wrap to spaces */
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#define GFW_UTF8 0x04 /* wrapping utf-8 text */
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#define GFW_FLOWED 0x08
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#define GFW_FLOW_RESULT 0x10
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#define GFW_DELSP 0x20
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#define GFW_USECOLOR 0x40
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#define TAG_EMBED '\377' /* Announces embedded data in text string */
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#define TAG_INVON 'A' /* Supported character attributes */
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#define TAG_INVOFF 'a'
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#define TAG_BOLDON 'B'
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#define TAG_BOLDOFF 'b'
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#define TAG_ULINEON 'C'
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#define TAG_ULINEOFF 'c'
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#define TAG_FGCOLOR 'D' /* Change to this foreground color */
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#define TAG_BGCOLOR 'd' /* Change to this background color */
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#define TAG_ITALICON 'E'
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#define TAG_ITALICOFF 'e'
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#define TAG_STRIKEON 'F'
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#define TAG_STRIKEOFF 'f'
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#define TAG_BIGOFF 'g'
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#define TAG_SMALLON 'H'
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#define TAG_SMALLOFF 'h'
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#define TAG_HANDLE 'Z' /* indicate's a handle to an action */
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#define TAG_HANDLEOFF 'z' /* indicate's end of handle text */
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* This searchs for lines beginning with From<space> so that we can QP-encode
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* them. It also searches for lines consisting of only a dot. Some mailers
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* will mangle these lines. The reason it is ifdef'd is because most people
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* seem to prefer the >From style escape provided by a lot of mail software
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* Froms, dots, bmap, and dmap may be any integer type. C is the next char.
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* bmap and dmap should be initialized to 1.
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* froms is incremented by 1 whenever a line beginning From_ is found.
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* dots is incremented by 1 whenever a line with only a dot is found.
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#define Find_Froms(froms,dots,bmap,dmap,c) { int x,y; \
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case '\n': case '\r': \
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bmap = ((x >> 1) == bmap) ? x : 0; \
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froms += (bmap == 0x3f ? 1 : 0); \
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if(y == 0x7 && dmap != 0x3){ \
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dmap = ((y >> 1) == dmap) ? y : 0; \
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dots += (dmap == 0x7 ? 1 : 0); \
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/* exported protoypes */
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int pc_is_picotext(gf_io_t);
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void gf_set_readc(gf_io_t *, void *, unsigned long, SourceType);
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void gf_set_writec(gf_io_t *, void *, unsigned long, SourceType, int);
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void gf_set_so_readc(gf_io_t *, STORE_S *);
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void gf_clear_so_readc(STORE_S *);
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void gf_set_so_writec(gf_io_t *, STORE_S *);
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void gf_clear_so_writec(STORE_S *);
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int gf_puts(char *, gf_io_t);
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int gf_nputs(char *, long, gf_io_t);
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void gf_filter_init(void);
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void gf_link_filter(filter_t, void *);
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void gf_set_terminal(gf_io_t);
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char *gf_pipe(gf_io_t, gf_io_t);
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long gf_bytes_piped(void);
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char *gf_filter(char *, char *, STORE_S *, gf_io_t, FILTLIST_S *, int);
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void gf_binary_b64(FILTER_S *, int);
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void gf_b64_binary(FILTER_S *, int);
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void gf_qp_8bit(FILTER_S *, int);
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void gf_8bit_qp(FILTER_S *, int);
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void gf_convert_8bit_charset(FILTER_S *, int);
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void gf_convert_utf8_charset(FILTER_S *, int);
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void *gf_convert_utf8_charset_opt(void *, int);
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void gf_2022_jp_to_euc(FILTER_S *, int);
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void gf_native8bitjapanese_to_2022_jp(FILTER_S *, int);
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void gf_euc_to_2022_jp(FILTER_S *, int);
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void gf_sjis_to_2022_jp(FILTER_S *, int);
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void gf_utf8(FILTER_S *, int);
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void *gf_utf8_opt(char *);
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void gf_rich2plain(FILTER_S *, int);
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void *gf_rich2plain_opt(int);
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void gf_enriched2plain(FILTER_S *, int);
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void *gf_enriched2plain_opt(int);
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void gf_html2plain(FILTER_S *, int);
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void *gf_html2plain_opt(char *, int, int *, HANDLE_S **, int);
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void gf_escape_filter(FILTER_S *, int);
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void gf_control_filter(FILTER_S *, int);
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void *gf_control_filter_opt(int *);
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void gf_tag_filter(FILTER_S *, int);
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void gf_wrap(FILTER_S *, int);
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void *gf_wrap_filter_opt(int, int, int *, int, int);
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void gf_preflow(FILTER_S *, int);
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void gf_prefix(FILTER_S *, int);
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void *gf_prefix_opt(char *);
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void gf_line_test(FILTER_S *, int);
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void *gf_line_test_opt(linetest_t, void *);
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LT_INS_S **gf_line_test_new_ins(LT_INS_S **, char *, char *, int);
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void gf_line_test_free_ins(LT_INS_S **);
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void gf_nvtnl_local(FILTER_S *, int);
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void gf_local_nvtnl(FILTER_S *, int);
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#endif /* PITH_FILTER_INCLUDED */
added
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pith/filter.h
