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/*
# tex-file.h: find files in a particular format.
#
# Copyright (C) 1993, 1994, 1995, 1996, 2011 Free Software Foundation, Inc.
# Copyright (C) 1998, 1999 Olaf Weber.
#
# This program 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/>.
#
*/
#ifndef KPATHSEA_TEX_FILE_H
#define KPATHSEA_TEX_FILE_H
#include "c-proto.h"
#include "c-vararg.h"
#include "types.h"
/* If non-NULL, try looking for this if can't find the real font. */
extern const_string kpse_fallback_font;
/* If non-NULL, default list of fallback resolutions comes from this
instead of the compile-time value. Set by dvipsk for the R config
cmd. *SIZES environment variables override/use as default. */
extern const_string kpse_fallback_resolutions_string;
/* If non-NULL, check these if can't find (within a few percent of) the
given resolution. List must end with a zero element. */
extern unsigned *kpse_fallback_resolutions;
/* This initializes the fallback resolution list. If ENVVAR
is set, it is used; otherwise, the envvar `TEXSIZES' is looked at; if
that's not set either, a compile-time default is used. */
extern void kpse_init_fallback_resolutions P1H(string envvar);
/* We put the glyphs first so we don't waste space in an array in
tex-glyph.c. Accompany a new format here with appropriate changes in
tex-file.c and kpsewhich.c (the suffix variable). */
typedef enum
{
kpse_gf_format,
kpse_pk_format,
kpse_any_glyph_format, /* ``any'' meaning gf or pk */
kpse_tfm_format,
kpse_afm_format,
kpse_base_format,
kpse_bib_format,
kpse_bst_format,
kpse_cnf_format,
kpse_db_format,
kpse_fmt_format,
kpse_fontmap_format,
kpse_mem_format,
kpse_mf_format,
kpse_mfpool_format,
kpse_mft_format,
kpse_mp_format,
kpse_mppool_format,
kpse_mpsupport_format,
kpse_ocp_format,
kpse_ofm_format,
kpse_opl_format,
kpse_otp_format,
kpse_ovf_format,
kpse_ovp_format,
kpse_pict_format,
kpse_tex_format,
kpse_texdoc_format,
kpse_texpool_format,
kpse_texsource_format,
kpse_tex_ps_header_format,
kpse_troff_font_format,
kpse_type1_format,
kpse_vf_format,
kpse_dvips_config_format,
kpse_ist_format,
kpse_truetype_format,
kpse_type42_format,
kpse_web2c_format,
kpse_program_text_format,
kpse_program_binary_format,
kpse_miscfonts_format,
kpse_web_format,
kpse_cweb_format,
kpse_last_format /* one past last index */
} kpse_file_format_type;
/* Perhaps we could use this for path values themselves; for now, we use
it only for the program_enabled_p value. */
typedef enum
{
kpse_src_implicit, /* C initialization to zero */
kpse_src_compile, /* configure/compile-time default */
kpse_src_texmf_cnf, /* texmf.cnf, the kpathsea config file */
kpse_src_client_cnf, /* application config file, e.g., config.ps */
kpse_src_env, /* environment variable */
kpse_src_x, /* X Window System resource */
kpse_src_cmdline /* command-line option */
} kpse_src_type;
/* For each file format, we record the following information. The main
thing that is not part of this structure is the environment variable
lists. They are used directly in tex-file.c. We could incorporate
them here, but it would complicate the code a bit. We could also do
it via variable expansion, but not now, maybe not ever:
${PKFONTS-${TEXFONTS-/usr/local/lib/texmf/fonts//}}. */
typedef struct
{
const_string type; /* Human-readable description. */
const_string path; /* The search path to use. */
const_string raw_path; /* Pre-$~ (but post-default) expansion. */
const_string path_source; /* Where the path started from. */
const_string override_path; /* From client environment variable. */
const_string client_path; /* E.g., from dvips's config.ps. */
const_string cnf_path; /* From texmf.cnf. */
const_string default_path; /* If all else fails. */
const_string *suffix; /* For kpse_find_file to check for/append. */
const_string *alt_suffix; /* More suffixes to check for. */
boolean suffix_search_only; /* Only search with a suffix? */
const_string program; /* ``mktexpk'', etc. */
int argc; /* Count of standard arguments. */
const_string *argv; /* Standard arguments to `program'. */
boolean program_enabled_p; /* Invoke `program'? */
kpse_src_type program_enable_level; /* Who said to invoke `program'. */
boolean binmode; /* The files must be opened in binary mode. */
} kpse_format_info_type;
/* The sole variable of that type, indexed by `kpse_file_format_type'.
Initialized by calls to `kpse_find_file' for `kpse_init_format'. */
extern kpse_format_info_type kpse_format_info[kpse_last_format];
/* If LEVEL is higher than `program_enabled_level' for FMT, set
`program_enabled_p' to VALUE. */
extern void kpse_set_program_enabled P3H(kpse_file_format_type fmt,
boolean value, kpse_src_type level);
/* Call kpse_set_program_enabled with VALUE and the format corresponding
to FMTNAME. */
extern void kpse_maketex_option P2H(const_string fmtname, boolean value);
/* Change the list of searched suffixes (alternate suffixes if alternate is
true). */
extern void kpse_set_suffixes PVAR2H(kpse_file_format_type format,
boolean alternate);
/* Initialize the info for the given format. This is called
automatically by `kpse_find_file', but the glyph searching (for
example) can't use that function, so make it available. */
extern const_string kpse_init_format P1H(kpse_file_format_type);
/* If FORMAT has a non-null `suffix' member, append it to NAME "."
and call `kpse_path_search' with the result and the other arguments.
If that fails, try just NAME. */
extern string kpse_find_file P3H(const_string name,
kpse_file_format_type format, boolean must_exist);
/* Here are some abbreviations. */
#define kpse_find_mf(name) kpse_find_file (name, kpse_mf_format, true)
#define kpse_find_mft(name) kpse_find_file (name, kpse_mft_format, true)
#define kpse_find_pict(name) kpse_find_file (name, kpse_pict_format, true)
#define kpse_find_tex(name) kpse_find_file (name, kpse_tex_format, true)
#define kpse_find_tfm(name) kpse_find_file (name, kpse_tfm_format, true)
#define kpse_find_ofm(name) kpse_find_file (name, kpse_ofm_format, true)
/* The `false' is correct for DVI translators, which should clearly not
require vf files for every font (e.g., cmr10.vf). But it's wrong for
VF translators, such as vftovp. */
#define kpse_find_vf(name) kpse_find_file (name, kpse_vf_format, false)
#define kpse_find_ovf(name) kpse_find_file (name, kpse_ovf_format, false)
/* Don't just look up the name, actually open the file. */
extern FILE *kpse_open_file P2H(const_string, kpse_file_format_type);
/* This function is used to set kpse_program_name (from progname.c) to
a different value. It will clear the path searching information, to
ensure that the search paths are appropriate to the new name. */
extern void kpse_reset_program_name P1H(const_string progname);
#endif /* not KPATHSEA_TEX_FILE_H */
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