diff options
Diffstat (limited to 'src/3rdparty/xkbcommon/src/compose/table.c')
| -rw-r--r-- | src/3rdparty/xkbcommon/src/compose/table.c | 219 |
1 files changed, 219 insertions, 0 deletions
diff --git a/src/3rdparty/xkbcommon/src/compose/table.c b/src/3rdparty/xkbcommon/src/compose/table.c new file mode 100644 index 0000000000..5cd8415850 --- /dev/null +++ b/src/3rdparty/xkbcommon/src/compose/table.c @@ -0,0 +1,219 @@ +/* + * Copyright © 2013 Ran Benita <ran234@gmail.com> + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ + +#include "utils.h" +#include "table.h" +#include "parser.h" +#include "paths.h" + +static struct xkb_compose_table * +xkb_compose_table_new(struct xkb_context *ctx, + const char *locale, + enum xkb_compose_format format, + enum xkb_compose_compile_flags flags) +{ + char *resolved_locale; + struct xkb_compose_table *table; + struct compose_node root; + + resolved_locale = resolve_locale(locale); + if (!resolved_locale) + return NULL; + + table = calloc(1, sizeof(*table)); + if (!table) { + free(resolved_locale); + return NULL; + } + + table->refcnt = 1; + table->ctx = xkb_context_ref(ctx); + + table->locale = resolved_locale; + table->format = format; + table->flags = flags; + + darray_init(table->nodes); + darray_init(table->utf8); + + root.keysym = XKB_KEY_NoSymbol; + root.next = 0; + root.is_leaf = true; + root.u.leaf.utf8 = 0; + root.u.leaf.keysym = XKB_KEY_NoSymbol; + darray_append(table->nodes, root); + + darray_append(table->utf8, '\0'); + + return table; +} + +XKB_EXPORT struct xkb_compose_table * +xkb_compose_table_ref(struct xkb_compose_table *table) +{ + table->refcnt++; + return table; +} + +XKB_EXPORT void +xkb_compose_table_unref(struct xkb_compose_table *table) +{ + if (!table || --table->refcnt > 0) + return; + free(table->locale); + darray_free(table->nodes); + darray_free(table->utf8); + xkb_context_unref(table->ctx); + free(table); +} + +XKB_EXPORT struct xkb_compose_table * +xkb_compose_table_new_from_file(struct xkb_context *ctx, + FILE *file, + const char *locale, + enum xkb_compose_format format, + enum xkb_compose_compile_flags flags) +{ + struct xkb_compose_table *table; + bool ok; + + if (flags & ~(XKB_COMPOSE_COMPILE_NO_FLAGS)) { + log_err_func(ctx, "unrecognized flags: %#x\n", flags); + return NULL; + } + + if (format != XKB_COMPOSE_FORMAT_TEXT_V1) { + log_err_func(ctx, "unsupported compose format: %d\n", format); + return NULL; + } + + table = xkb_compose_table_new(ctx, locale, format, flags); + if (!table) + return NULL; + + ok = parse_file(table, file, "(unknown file)"); + if (!ok) { + xkb_compose_table_unref(table); + return NULL; + } + + return table; +} + +XKB_EXPORT struct xkb_compose_table * +xkb_compose_table_new_from_buffer(struct xkb_context *ctx, + const char *buffer, size_t length, + const char *locale, + enum xkb_compose_format format, + enum xkb_compose_compile_flags flags) +{ + struct xkb_compose_table *table; + bool ok; + + if (flags & ~(XKB_COMPOSE_COMPILE_NO_FLAGS)) { + log_err_func(ctx, "unrecognized flags: %#x\n", flags); + return NULL; + } + + if (format != XKB_COMPOSE_FORMAT_TEXT_V1) { + log_err_func(ctx, "unsupported compose format: %d\n", format); + return NULL; + } + + table = xkb_compose_table_new(ctx, locale, format, flags); + if (!table) + return NULL; + + ok = parse_string(table, buffer, length, "(input string)"); + if (!ok) { + xkb_compose_table_unref(table); + return NULL; + } + + return table; +} + +XKB_EXPORT struct xkb_compose_table * +xkb_compose_table_new_from_locale(struct xkb_context *ctx, + const char *locale, + enum xkb_compose_compile_flags flags) +{ + struct xkb_compose_table *table; + char *path = NULL; + const char *cpath; + FILE *file; + bool ok; + + if (flags & ~(XKB_COMPOSE_COMPILE_NO_FLAGS)) { + log_err_func(ctx, "unrecognized flags: %#x\n", flags); + return NULL; + } + + table = xkb_compose_table_new(ctx, locale, XKB_COMPOSE_FORMAT_TEXT_V1, + flags); + if (!table) + return NULL; + + cpath = get_xcomposefile_path(); + if (cpath) { + file = fopen(cpath, "r"); + if (file) + goto found_path; + } + + cpath = path = get_home_xcompose_file_path(); + if (path) { + file = fopen(path, "r"); + if (file) + goto found_path; + } + free(path); + path = NULL; + + cpath = path = get_locale_compose_file_path(table->locale); + if (path) { + file = fopen(path, "r"); + if (file) + goto found_path; + } + free(path); + path = NULL; + + log_err(ctx, "couldn't find a Compose file for locale \"%s\"\n", locale); + xkb_compose_table_unref(table); + return NULL; + +found_path: + ok = parse_file(table, file, cpath); + fclose(file); + if (!ok) { + xkb_compose_table_unref(table); + return NULL; + } + + log_dbg(ctx, "created compose table from locale %s with path %s\n", + table->locale, path); + + free(path); + return table; +} |