/* kpse:lookup("plain.tex", {}) */
static int do_lua_kpathsea_lookup(lua_State * L, kpathsea kpse, int idx)
{
int i;
string ret = NULL;
string *ret_list = NULL;
const_string name = NULL;
string user_path = NULL;
boolean show_all = false;
boolean must_exist = false;
kpse_file_format_type user_format = kpse_last_format;
int dpi = 600;
str_list_type subdir_paths = { 0, NULL };
unsigned saved_debug = kpse->debug;
int saved_mktexpk = kpse->format_info[kpse_pk_format].program_enabled_p;
int saved_mktexmf = kpse->format_info[kpse_mf_format].program_enabled_p;
int saved_mktextex = kpse->format_info[kpse_tex_format].program_enabled_p;
int saved_mktextfm = kpse->format_info[kpse_tfm_format].program_enabled_p;
name = luaL_checkstring(L, idx);
/* todo: fetch parameter values */
if (lua_type(L, idx + 1) == LUA_TTABLE) {
lua_pushstring(L, "format");
lua_gettable(L, idx + 1);
if (lua_type(L, -1) == LUA_TSTRING) {
int op = luaL_checkoption(L, -1, NULL, filetypenames);
user_format = filetypes[op];
}
lua_pop(L, 1);
lua_pushstring(L, "dpi");
lua_gettable(L, idx + 1);
if (lua_type(L, -1) == LUA_TNUMBER) {
dpi = (int) lua_tointeger(L, -1);
}
lua_pop(L, 1);
lua_pushstring(L, "debug");
lua_gettable(L, idx + 1);
if (lua_type(L, -1) == LUA_TNUMBER) {
int d = 0;
d = (int) lua_tointeger(L, -1);
kpse->debug |= d;
}
lua_pop(L, 1);
lua_pushstring(L, "path");
lua_gettable(L, idx + 1);
if (lua_type(L, -1) == LUA_TSTRING) {
user_path = xstrdup(lua_tostring(L, -1));
}
lua_pop(L, 1);
lua_pushstring(L, "all");
lua_gettable(L, idx + 1);
if (lua_type(L, -1) == LUA_TBOOLEAN) {
show_all = lua_toboolean(L, -1);
}
lua_pop(L, 1);
lua_pushstring(L, "mktexpk");
lua_gettable(L, idx + 1);
if (lua_type(L, -1) == LUA_TBOOLEAN) {
kpathsea_maketex_option(kpse, "pk", lua_toboolean(L, -1));
}
lua_pop(L, 1);
lua_pushstring(L, "mktextex");
lua_gettable(L, idx + 1);
if (lua_type(L, -1) == LUA_TBOOLEAN) {
kpathsea_maketex_option(kpse, "tex", lua_toboolean(L, -1));
}
lua_pop(L, 1);
lua_pushstring(L, "mktexmf");
lua_gettable(L, idx + 1);
if (lua_type(L, -1) == LUA_TBOOLEAN) {
kpathsea_maketex_option(kpse, "mf", lua_toboolean(L, -1));
}
lua_pop(L, 1);
lua_pushstring(L, "mktextfm");
lua_gettable(L, idx + 1);
if (lua_type(L, -1) == LUA_TBOOLEAN) {
kpathsea_maketex_option(kpse, "tfm", lua_toboolean(L, -1));
}
lua_pop(L, 1);
lua_pushstring(L, "mustexist");
lua_gettable(L, idx + 1);
if (lua_type(L, -1) == LUA_TBOOLEAN) {
must_exist = lua_toboolean(L, -1);
}
lua_pop(L, 1);
lua_pushstring(L, "subdir");
lua_gettable(L, idx + 1);
if (lua_istable(L, -1)) {
lua_pushnil(L);
while (lua_next(L, -2) != 0) { /* numeric value */
if (lua_type(L, -1) == LUA_TSTRING) {
char *s = xstrdup(lua_tostring(L, -1));
str_list_add(&subdir_paths, s);
xfree(s);
}
lua_pop(L, 1);
}
} else if (lua_type(L, -1) == LUA_TSTRING) {
char *s = xstrdup(lua_tostring(L, -1));
str_list_add(&subdir_paths, s);
xfree(s);
}
lua_pop(L, 1);
if (STR_LIST_LENGTH(subdir_paths) > 0) {
show_all = 1;
}
}
if (user_path) {
/* Translate ; to : if that's our ENV_SEP. See cnf.c. */
if (IS_ENV_SEP(':')) {
string loc;
for (loc = user_path; *loc; loc++) {
if (*loc == ';')
*loc = ':';
}
}
user_path = kpathsea_path_expand(kpse, user_path);
if (show_all) {
ret_list = kpathsea_all_path_search(kpse, user_path, name);
} else {
ret = kpathsea_path_search(kpse, user_path, name, must_exist);
}
free(user_path);
} else {
/* No user-specified search path, check user format or guess from NAME. */
kpse_file_format_type fmt;
if (user_format != kpse_last_format)
fmt = user_format;
else
fmt = find_format(kpse, name, true);
switch (fmt) {
case kpse_pk_format:
case kpse_gf_format:
case kpse_any_glyph_format:
{
kpse_glyph_file_type glyph_ret;
string temp = remove_suffix (name);
/* Try to extract the resolution from the name. */
unsigned local_dpi = find_dpi(name);
if (!local_dpi)
local_dpi = (unsigned) dpi;
ret =
kpathsea_find_glyph(kpse, temp, local_dpi,
fmt, &glyph_ret);
if (temp != name)
free (temp);
}
break;
case kpse_last_format:
/* If the suffix isn't recognized, assume it's a tex file. */
fmt = kpse_tex_format;
/* fall through */
default:
if (show_all) {
ret_list =
kpathsea_find_file_generic(kpse, name, fmt, must_exist,
true);
} else {
ret = kpathsea_find_file(kpse, name, fmt, must_exist);
}
}
}
/* Turn single return into a null-terminated list for uniform treatment. */
if (ret) {
ret_list = XTALLOC(2, string);
ret_list[0] = ret;
ret_list[1] = NULL;
}
/* Filter by subdirectories, if specified. */
if (STR_LIST_LENGTH(subdir_paths) > 0) {
string *new_list = subdir_match(subdir_paths, ret_list);
free(ret_list);
ret_list = new_list;
}
kpse->debug = saved_debug;
kpse->format_info[kpse_pk_format].program_enabled_p = saved_mktexpk;
kpse->format_info[kpse_mf_format].program_enabled_p = saved_mktexmf;
kpse->format_info[kpse_tex_format].program_enabled_p = saved_mktextex;
kpse->format_info[kpse_tfm_format].program_enabled_p = saved_mktextfm;
/* Print output. */
i = 0;
if (ret_list) {
for (; ret_list[i]; i++) {
lua_pushstring(L, ret_list[i]);
}
free(ret_list);
}
if (i == 0) {
i++;
lua_pushnil(L);
}
return i;
}
void
kpse_maketex_option (const_string fmtname, boolean value)
{
kpathsea_maketex_option (kpse_def, fmtname, value);
}
