1 /* tex-file.h: find files in a particular format.
3 Copyright 1993, 1994, 1995, 1996, 2007, 2008 Karl Berry.
4 Copyright 1998-2005 Olaf Weber.
6 This library is free software; you can redistribute it and/or
7 modify it under the terms of the GNU Lesser General Public
8 License as published by the Free Software Foundation; either
9 version 2.1 of the License, or (at your option) any later version.
11 This library is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 Lesser General Public License for more details.
16 You should have received a copy of the GNU Lesser General Public License
17 along with this library; if not, see <http://www.gnu.org/licenses/>. */
19 #ifndef KPATHSEA_TEX_FILE_H
20 #define KPATHSEA_TEX_FILE_H
22 #include <kpathsea/c-proto.h>
23 #include <kpathsea/c-vararg.h>
24 #include <kpathsea/types.h>
27 /* If non-NULL, try looking for this if can't find the real font. */
28 extern const_string kpse_fallback_font;
31 /* If non-NULL, default list of fallback resolutions comes from this
32 instead of the compile-time value. Set by dvipsk for the R config
33 cmd. *SIZES environment variables override/use as default. */
34 extern KPSEDLL const_string kpse_fallback_resolutions_string;
36 /* If non-NULL, check these if can't find (within a few percent of) the
37 given resolution. List must end with a zero element. */
38 extern unsigned *kpse_fallback_resolutions;
40 /* This initializes the fallback resolution list. If ENVVAR
41 is set, it is used; otherwise, the envvar `TEXSIZES' is looked at; if
42 that's not set either, a compile-time default is used. */
43 extern void kpse_init_fallback_resolutions P1H(string envvar);
45 /* We put the glyphs first so we don't waste space in an array in
46 tex-glyph.c. Accompany a new format here with appropriate changes in
47 tex-file.c and kpsewhich.c (the suffix variable). */
52 kpse_any_glyph_format, /* ``any'' meaning gf or pk */
68 kpse_mpsupport_format,
79 kpse_texsource_format,
80 kpse_tex_ps_header_format,
81 kpse_troff_font_format,
84 kpse_dvips_config_format,
89 kpse_program_text_format,
90 kpse_program_binary_format,
91 kpse_miscfonts_format,
98 kpse_pdftex_config_format,
100 kpse_texmfscripts_format,
102 kpse_last_format /* one past last index */
103 } kpse_file_format_type;
106 /* Perhaps we could use this for path values themselves; for now, we use
107 it only for the program_enabled_p value. */
110 kpse_src_implicit, /* C initialization to zero */
111 kpse_src_compile, /* configure/compile-time default */
112 kpse_src_texmf_cnf, /* texmf.cnf, the kpathsea config file */
113 kpse_src_client_cnf, /* application config file, e.g., config.ps */
114 kpse_src_env, /* environment variable */
115 kpse_src_x, /* X Window System resource */
116 kpse_src_cmdline /* command-line option */
120 /* For each file format, we record the following information. The main
121 thing that is not part of this structure is the environment variable
122 lists. They are used directly in tex-file.c. We could incorporate
123 them here, but it would complicate the code a bit. We could also do
124 it via variable expansion, but not now, maybe not ever:
125 ${PKFONTS-${TEXFONTS-/usr/local/lib/texmf/fonts//}}. */
129 const_string type; /* Human-readable description. */
130 const_string path; /* The search path to use. */
131 const_string raw_path; /* Pre-$~ (but post-default) expansion. */
132 const_string path_source; /* Where the path started from. */
133 const_string override_path; /* From client environment variable. */
134 const_string client_path; /* E.g., from dvips's config.ps. */
135 const_string cnf_path; /* From texmf.cnf. */
136 const_string default_path; /* If all else fails. */
137 const_string *suffix; /* For kpse_find_file to check for/append. */
138 const_string *alt_suffix; /* More suffixes to check for. */
139 boolean suffix_search_only; /* Only search with a suffix? */
140 const_string program; /* ``mktexpk'', etc. */
141 int argc; /* Count of standard arguments. */
142 const_string *argv; /* Standard arguments to `program'. */
143 boolean program_enabled_p; /* Invoke `program'? */
144 kpse_src_type program_enable_level; /* Who said to invoke `program'. */
145 boolean binmode; /* The files must be opened in binary mode. */
146 } kpse_format_info_type;
148 /* The sole variable of that type, indexed by `kpse_file_format_type'.
149 Initialized by calls to `kpse_find_file' for `kpse_init_format'. */
150 extern KPSEDLL kpse_format_info_type kpse_format_info[kpse_last_format];
153 /* If LEVEL is higher than `program_enabled_level' for FMT, set
154 `program_enabled_p' to VALUE. */
155 extern KPSEDLL void kpse_set_program_enabled P3H(kpse_file_format_type fmt,
156 boolean value, kpse_src_type level);
157 /* Call kpse_set_program_enabled with VALUE and the format corresponding
159 extern KPSEDLL void kpse_maketex_option P2H(const_string fmtname, boolean value);
161 /* Change the list of searched suffixes (alternate suffixes if alternate is
163 extern KPSEDLL void kpse_set_suffixes PVAR2H(kpse_file_format_type format,
166 /* Initialize the info for the given format. This is called
167 automatically by `kpse_find_file', but the glyph searching (for
168 example) can't use that function, so make it available. */
169 extern KPSEDLL const_string kpse_init_format P1H(kpse_file_format_type);
171 /* If FORMAT has a non-null `suffix' member, append it to NAME "."
172 and call `kpse_path_search' with the result and the other arguments.
173 If that fails, try just NAME. */
174 extern KPSEDLL string kpse_find_file P3H(const_string name,
175 kpse_file_format_type format, boolean must_exist);
177 /* Ditto, allowing ALL parameter and hence returning a NULL-terminated
179 extern KPSEDLL string *kpse_find_file_generic
180 P4H(const_string name, kpse_file_format_type format,
181 boolean must_exist, boolean all);
183 /* Here are some abbreviations. */
184 #define kpse_find_mf(name) kpse_find_file (name, kpse_mf_format, true)
185 #define kpse_find_mft(name) kpse_find_file (name, kpse_mft_format, true)
186 #define kpse_find_pict(name) kpse_find_file (name, kpse_pict_format, true)
187 #define kpse_find_tex(name) kpse_find_file (name, kpse_tex_format, true)
188 #define kpse_find_tfm(name) kpse_find_file (name, kpse_tfm_format, true)
189 #define kpse_find_ofm(name) kpse_find_file (name, kpse_ofm_format, true)
191 /* The `false' is correct for DVI translators, which should clearly not
192 require vf files for every font (e.g., cmr10.vf). But it's wrong for
193 VF translators, such as vftovp. */
194 #define kpse_find_vf(name) kpse_find_file (name, kpse_vf_format, false)
195 #define kpse_find_ovf(name) kpse_find_file (name, kpse_ovf_format, false)
197 /* Don't just look up the name, actually open the file. */
198 extern KPSEDLL FILE *kpse_open_file P2H(const_string, kpse_file_format_type);
200 /* This function is used to set kpse_program_name (from progname.c) to
201 a different value. It will clear the path searching information, to
202 ensure that the search paths are appropriate to the new name. */
203 extern KPSEDLL void kpse_reset_program_name P1H(const_string progname);
205 #endif /* not KPATHSEA_TEX_FILE_H */