X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=src%2Fkeymap.c;h=0291aedbb11c3c7c173aa04d25b26924b7c9360b;hb=5fbffaf035f0c0edbcf7b2e747ccab9a234101ff;hp=e5bc2e6731b7c5a60f1c5d476f499747bddc3f52;hpb=8cee7490003381b7e1399e171a8c860edb3d634c;p=platform%2Fupstream%2Flibxkbcommon.git

diff --git a/src/keymap.c b/src/keymap.c
index e5bc2e6..0291aed 100644
--- a/src/keymap.c
+++ b/src/keymap.c
@@ -50,29 +50,11 @@
  *
  * ********************************************************/
 
+#include "config.h"
+
 #include "keymap.h"
 #include "text.h"
 
-struct xkb_keymap *
-xkb_keymap_new(struct xkb_context *ctx,
-               enum xkb_keymap_format format,
-               enum xkb_keymap_compile_flags flags)
-{
-    struct xkb_keymap *keymap;
-
-    keymap = calloc(1, sizeof(*keymap));
-    if (!keymap)
-        return NULL;
-
-    keymap->refcnt = 1;
-    keymap->ctx = xkb_context_ref(ctx);
-
-    keymap->format = format;
-    keymap->flags = flags;
-
-    return keymap;
-}
-
 XKB_EXPORT struct xkb_keymap *
 xkb_keymap_ref(struct xkb_keymap *keymap)
 {
@@ -83,34 +65,36 @@ xkb_keymap_ref(struct xkb_keymap *keymap)
 XKB_EXPORT void
 xkb_keymap_unref(struct xkb_keymap *keymap)
 {
-    unsigned int i, j;
-    struct xkb_key *key;
-
     if (!keymap || --keymap->refcnt > 0)
         return;
 
     if (keymap->keys) {
-        xkb_foreach_key(key, keymap) {
-            for (i = 0; i < key->num_groups; i++) {
-                for (j = 0; j < XkbKeyGroupWidth(key, i); j++)
-                    if (key->groups[i].levels[j].num_syms > 1)
-                        free(key->groups[i].levels[j].u.syms);
-                free(key->groups[i].levels);
+        struct xkb_key *key;
+        xkb_keys_foreach(key, keymap) {
+            if (key->groups) {
+                for (unsigned i = 0; i < key->num_groups; i++) {
+                    if (key->groups[i].levels) {
+                        for (unsigned j = 0; j < XkbKeyNumLevels(key, i); j++)
+                            if (key->groups[i].levels[j].num_syms > 1)
+                                free(key->groups[i].levels[j].u.syms);
+                        free(key->groups[i].levels);
+                    }
+                }
+                free(key->groups);
             }
-            free(key->groups);
         }
         free(keymap->keys);
     }
-    for (i = 0; i < keymap->num_types; i++) {
-        free(keymap->types[i].map);
-        free(keymap->types[i].level_names);
+    if (keymap->types) {
+        for (unsigned i = 0; i < keymap->num_types; i++) {
+            free(keymap->types[i].entries);
+            free(keymap->types[i].level_names);
+        }
+        free(keymap->types);
     }
-    free(keymap->types);
-    darray_free(keymap->sym_interprets);
-    darray_free(keymap->key_aliases);
+    free(keymap->sym_interprets);
+    free(keymap->key_aliases);
     free(keymap->group_names);
-    darray_free(keymap->mods);
-    darray_free(keymap->leds);
     free(keymap->keycodes_section_name);
     free(keymap->symbols_section_name);
     free(keymap->types_section_name);
@@ -119,13 +103,171 @@ xkb_keymap_unref(struct xkb_keymap *keymap)
     free(keymap);
 }
 
+static const struct xkb_keymap_format_ops *
+get_keymap_format_ops(enum xkb_keymap_format format)
+{
+    static const struct xkb_keymap_format_ops *keymap_format_ops[] = {
+        [XKB_KEYMAP_FORMAT_TEXT_V1] = &text_v1_keymap_format_ops,
+    };
+
+    if ((int) format < 0 || (int) format >= (int) ARRAY_SIZE(keymap_format_ops))
+        return NULL;
+
+    return keymap_format_ops[(int) format];
+}
+
+XKB_EXPORT struct xkb_keymap *
+xkb_keymap_new_from_names(struct xkb_context *ctx,
+                          const struct xkb_rule_names *rmlvo_in,
+                          enum xkb_keymap_compile_flags flags)
+{
+    struct xkb_keymap *keymap;
+    struct xkb_rule_names rmlvo;
+    const enum xkb_keymap_format format = XKB_KEYMAP_FORMAT_TEXT_V1;
+    const struct xkb_keymap_format_ops *ops;
+
+    ops = get_keymap_format_ops(format);
+    if (!ops || !ops->keymap_new_from_names) {
+        log_err_func(ctx, "unsupported keymap format: %d\n", format);
+        return NULL;
+    }
+
+    if (flags & ~(XKB_KEYMAP_COMPILE_NO_FLAGS)) {
+        log_err_func(ctx, "unrecognized flags: %#x\n", flags);
+        return NULL;
+    }
+
+    keymap = xkb_keymap_new(ctx, format, flags);
+    if (!keymap)
+        return NULL;
+
+    if (rmlvo_in)
+        rmlvo = *rmlvo_in;
+    else
+        memset(&rmlvo, 0, sizeof(rmlvo));
+    xkb_context_sanitize_rule_names(ctx, &rmlvo);
+
+    if (!ops->keymap_new_from_names(keymap, &rmlvo)) {
+        xkb_keymap_unref(keymap);
+        return NULL;
+    }
+
+    return keymap;
+}
+
+XKB_EXPORT struct xkb_keymap *
+xkb_keymap_new_from_string(struct xkb_context *ctx,
+                           const char *string,
+                           enum xkb_keymap_format format,
+                           enum xkb_keymap_compile_flags flags)
+{
+    return xkb_keymap_new_from_buffer(ctx, string, strlen(string),
+                                      format, flags);
+}
+
+XKB_EXPORT struct xkb_keymap *
+xkb_keymap_new_from_buffer(struct xkb_context *ctx,
+                           const char *buffer, size_t length,
+                           enum xkb_keymap_format format,
+                           enum xkb_keymap_compile_flags flags)
+{
+    struct xkb_keymap *keymap;
+    const struct xkb_keymap_format_ops *ops;
+
+    ops = get_keymap_format_ops(format);
+    if (!ops || !ops->keymap_new_from_string) {
+        log_err_func(ctx, "unsupported keymap format: %d\n", format);
+        return NULL;
+    }
+
+    if (flags & ~(XKB_KEYMAP_COMPILE_NO_FLAGS)) {
+        log_err_func(ctx, "unrecognized flags: %#x\n", flags);
+        return NULL;
+    }
+
+    if (!buffer) {
+        log_err_func1(ctx, "no buffer specified\n");
+        return NULL;
+    }
+
+    keymap = xkb_keymap_new(ctx, format, flags);
+    if (!keymap)
+        return NULL;
+
+    /* Allow a zero-terminated string as a buffer */
+    if (length > 0 && buffer[length - 1] == '\0')
+        length--;
+
+    if (!ops->keymap_new_from_string(keymap, buffer, length)) {
+        xkb_keymap_unref(keymap);
+        return NULL;
+    }
+
+    return keymap;
+}
+
+XKB_EXPORT struct xkb_keymap *
+xkb_keymap_new_from_file(struct xkb_context *ctx,
+                         FILE *file,
+                         enum xkb_keymap_format format,
+                         enum xkb_keymap_compile_flags flags)
+{
+    struct xkb_keymap *keymap;
+    const struct xkb_keymap_format_ops *ops;
+
+    ops = get_keymap_format_ops(format);
+    if (!ops || !ops->keymap_new_from_file) {
+        log_err_func(ctx, "unsupported keymap format: %d\n", format);
+        return NULL;
+    }
+
+    if (flags & ~(XKB_KEYMAP_COMPILE_NO_FLAGS)) {
+        log_err_func(ctx, "unrecognized flags: %#x\n", flags);
+        return NULL;
+    }
+
+    if (!file) {
+        log_err_func1(ctx, "no file specified\n");
+        return NULL;
+    }
+
+    keymap = xkb_keymap_new(ctx, format, flags);
+    if (!keymap)
+        return NULL;
+
+    if (!ops->keymap_new_from_file(keymap, file)) {
+        xkb_keymap_unref(keymap);
+        return NULL;
+    }
+
+    return keymap;
+}
+
+XKB_EXPORT char *
+xkb_keymap_get_as_string(struct xkb_keymap *keymap,
+                         enum xkb_keymap_format format)
+{
+    const struct xkb_keymap_format_ops *ops;
+
+    if (format == XKB_KEYMAP_USE_ORIGINAL_FORMAT)
+        format = keymap->format;
+
+    ops = get_keymap_format_ops(format);
+    if (!ops || !ops->keymap_get_as_string) {
+        log_err_func(keymap->ctx, "unsupported keymap format: %d\n", format);
+        return NULL;
+    }
+
+    return ops->keymap_get_as_string(keymap);
+}
+
 /**
  * Returns the total number of modifiers active in the keymap.
  */
 XKB_EXPORT xkb_mod_index_t
 xkb_keymap_num_mods(struct xkb_keymap *keymap)
 {
-    return darray_size(keymap->mods);
+    return keymap->mods.num_mods;
 }
 
 /**
@@ -134,10 +276,10 @@ xkb_keymap_num_mods(struct xkb_keymap *keymap)
 XKB_EXPORT const char *
 xkb_keymap_mod_get_name(struct xkb_keymap *keymap, xkb_mod_index_t idx)
 {
-    if (idx >= darray_size(keymap->mods))
+    if (idx >= keymap->mods.num_mods)
         return NULL;
 
-    return xkb_atom_text(keymap->ctx, darray_item(keymap->mods, idx).name);
+    return xkb_atom_text(keymap->ctx, keymap->mods.mods[idx].name);
 }
 
 /**
@@ -146,19 +288,13 @@ xkb_keymap_mod_get_name(struct xkb_keymap *keymap, xkb_mod_index_t idx)
 XKB_EXPORT xkb_mod_index_t
 xkb_keymap_mod_get_index(struct xkb_keymap *keymap, const char *name)
 {
-    xkb_mod_index_t i;
     xkb_atom_t atom;
-    const struct xkb_mod *mod;
 
     atom = xkb_atom_lookup(keymap->ctx, name);
     if (atom == XKB_ATOM_NONE)
         return XKB_MOD_INVALID;
 
-    darray_enumerate(i, mod, keymap->mods)
-        if (mod->name == atom)
-            return i;
-
-    return XKB_MOD_INVALID;
+    return XkbModNameToIndex(&keymap->mods, atom, MOD_BOTH);
 }
 
 /**
@@ -227,13 +363,13 @@ xkb_keymap_num_levels_for_key(struct xkb_keymap *keymap, xkb_keycode_t kc,
     if (!key)
         return 0;
 
-    layout = wrap_group_into_range(layout, key->num_groups,
+    layout = XkbWrapGroupIntoRange(layout, key->num_groups,
                                    key->out_of_range_group_action,
                                    key->out_of_range_group_number);
     if (layout == XKB_LAYOUT_INVALID)
         return 0;
 
-    return XkbKeyGroupWidth(key, layout);
+    return XkbKeyNumLevels(key, layout);
 }
 
 /**
@@ -242,7 +378,7 @@ xkb_keymap_num_levels_for_key(struct xkb_keymap *keymap, xkb_keycode_t kc,
 XKB_EXPORT xkb_led_index_t
 xkb_keymap_num_leds(struct xkb_keymap *keymap)
 {
-    return darray_size(keymap->leds);
+    return keymap->num_leds;
 }
 
 /**
@@ -251,10 +387,10 @@ xkb_keymap_num_leds(struct xkb_keymap *keymap)
 XKB_EXPORT const char *
 xkb_keymap_led_get_name(struct xkb_keymap *keymap, xkb_led_index_t idx)
 {
-    if (idx >= darray_size(keymap->leds))
+    if (idx >= keymap->num_leds)
         return NULL;
 
-    return xkb_atom_text(keymap->ctx, darray_item(keymap->leds, idx).name);
+    return xkb_atom_text(keymap->ctx, keymap->leds[idx].name);
 }
 
 /**
@@ -270,13 +406,73 @@ xkb_keymap_led_get_index(struct xkb_keymap *keymap, const char *name)
     if (atom == XKB_ATOM_NONE)
         return XKB_LED_INVALID;
 
-    darray_enumerate(i, led, keymap->leds)
+    xkb_leds_enumerate(i, led, keymap)
         if (led->name == atom)
             return i;
 
     return XKB_LED_INVALID;
 }
 
+XKB_EXPORT size_t
+xkb_keymap_key_get_mods_for_level(struct xkb_keymap *keymap,
+                                  xkb_keycode_t kc,
+                                  xkb_layout_index_t layout,
+                                  xkb_level_index_t level,
+                                  xkb_mod_mask_t *masks_out,
+                                  size_t masks_size)
+{
+    const struct xkb_key *key = XkbKey(keymap, kc);
+    if (!key)
+        return 0;
+
+    layout = XkbWrapGroupIntoRange(layout, key->num_groups,
+                                   key->out_of_range_group_action,
+                                   key->out_of_range_group_number);
+    if (layout == XKB_LAYOUT_INVALID)
+        return 0;
+
+    if (level >= XkbKeyNumLevels(key, layout))
+        return 0;
+
+    const struct xkb_key_type *type = key->groups[layout].type;
+
+    size_t count = 0;
+
+    /*
+     * If the active set of modifiers doesn't match any explicit entry of
+     * the key type, the resulting level is 0 (i.e. Level 1).
+     * So, if we are asked to find the modifiers for level==0, we can offer
+     * an ~infinite supply, which is not very workable.
+     * What we do instead, is special case the empty set of modifiers for
+     * this purpose. If the empty set isn't explicit mapped to a level, we
+     * take it to map to Level 1.
+     * This is almost always what we want. If applicable, given it priority
+     * over other ways to generate the level.
+     */
+    if (level == 0) {
+        bool empty_mapped = false;
+        for (unsigned i = 0; i < type->num_entries && count < masks_size; i++)
+            if (entry_is_active(&type->entries[i]) &&
+                type->entries[i].mods.mask == 0) {
+                empty_mapped = true;
+                break;
+            }
+        if (!empty_mapped && count < masks_size) {
+            masks_out[count++] = 0;
+        }
+    }
+
+    /* Now search explicit mappings. */
+    for (unsigned i = 0; i < type->num_entries && count < masks_size; i++) {
+        if (entry_is_active(&type->entries[i]) &&
+            type->entries[i].level == level) {
+            masks_out[count++] = type->entries[i].mods.mask;
+        }
+    }
+
+    return count;
+}
+
 /**
  * As below, but takes an explicit layout/level rather than state.
  */
@@ -293,13 +489,13 @@ xkb_keymap_key_get_syms_by_level(struct xkb_keymap *keymap,
     if (!key)
         goto err;
 
-    layout = wrap_group_into_range(layout, key->num_groups,
+    layout = XkbWrapGroupIntoRange(layout, key->num_groups,
                                    key->out_of_range_group_action,
                                    key->out_of_range_group_number);
     if (layout == XKB_LAYOUT_INVALID)
         goto err;
 
-    if (level >= XkbKeyGroupWidth(key, layout))
+    if (level >= XkbKeyNumLevels(key, layout))
         goto err;
 
     num_syms = key->groups[layout].levels[level].num_syms;
@@ -318,6 +514,62 @@ err:
     return 0;
 }
 
+XKB_EXPORT xkb_keycode_t
+xkb_keymap_min_keycode(struct xkb_keymap *keymap)
+{
+    return keymap->min_key_code;
+}
+
+XKB_EXPORT xkb_keycode_t
+xkb_keymap_max_keycode(struct xkb_keymap *keymap)
+{
+    return keymap->max_key_code;
+}
+
+XKB_EXPORT void
+xkb_keymap_key_for_each(struct xkb_keymap *keymap, xkb_keymap_key_iter_t iter,
+                        void *data)
+{
+    struct xkb_key *key;
+
+    xkb_keys_foreach(key, keymap)
+        iter(keymap, key->keycode, data);
+}
+
+XKB_EXPORT const char *
+xkb_keymap_key_get_name(struct xkb_keymap *keymap, xkb_keycode_t kc)
+{
+    const struct xkb_key *key = XkbKey(keymap, kc);
+
+    if (!key)
+        return NULL;
+
+    return xkb_atom_text(keymap->ctx, key->name);
+}
+
+XKB_EXPORT xkb_keycode_t
+xkb_keymap_key_by_name(struct xkb_keymap *keymap, const char *name)
+{
+    struct xkb_key *key;
+    xkb_atom_t atom;
+
+    atom = xkb_atom_lookup(keymap->ctx, name);
+    if (atom) {
+        xkb_atom_t ratom = XkbResolveKeyAlias(keymap, atom);
+        if (ratom)
+            atom = ratom;
+    }
+    if (!atom)
+        return XKB_KEYCODE_INVALID;
+
+    xkb_keys_foreach(key, keymap) {
+        if (key->name == atom)
+            return key->keycode;
+    }
+
+    return XKB_KEYCODE_INVALID;
+}
+
 /**
  * Simple boolean specifying whether or not the key should repeat.
  */