diff options
Diffstat (limited to 'src/select/properties/helpers.h')
-rw-r--r-- | src/select/properties/helpers.h | 133 |
1 files changed, 133 insertions, 0 deletions
diff --git a/src/select/properties/helpers.h b/src/select/properties/helpers.h index 60e5b4c..16c5d7a 100644 --- a/src/select/properties/helpers.h +++ b/src/select/properties/helpers.h @@ -59,4 +59,137 @@ css_error css__cascade_counter_increment_reset(uint32_t opv, css_style *style, css_error (*fun)(css_computed_style *, uint8_t, css_computed_counter *)); +/** Copy NULL terminated array of lwc_string pointers. */ +static inline css_error css__copy_lwc_string_array( + bool ref, + lwc_string *const*orig, + lwc_string ***copy_out) +{ + size_t count = 0; + lwc_string **copy = NULL; + + if (orig != NULL) { + for (lwc_string *const*i = orig; (*i) != NULL; i++) { + count++; + } + + copy = malloc((count + 1) * sizeof(*copy)); + if (copy == NULL) { + return CSS_NOMEM; + } + + if (ref) { + for (size_t i = 0; i < count; i++) { + copy[i] = lwc_string_ref(orig[i]); + } + copy[count] = NULL; + } else { + memcpy(copy, orig, (count + 1) * sizeof(*copy)); + } + } + + *copy_out = copy; + return CSS_OK; +} + +/** Copy NULL-name terminated array of css_computed_counter items. */ +static inline css_error css__copy_computed_counter_array( + bool ref, + const css_computed_counter *orig, + css_computed_counter **copy_out) +{ + size_t count = 0; + css_computed_counter *copy = NULL; + + if (orig != NULL) { + for (const css_computed_counter *i = orig; + i->name != NULL; i++) { + count++; + } + + copy = malloc((count + 1) * sizeof(*copy)); + if (copy == NULL) { + return CSS_NOMEM; + } + + if (ref) { + for (size_t i = 0; i < count; i++) { + copy[i].name = lwc_string_ref(orig[i].name); + copy[i].value = orig[i].value; + } + copy[count].name = NULL; + copy[count].value = 0; + } else { + memcpy(copy, orig, (count + 1) * sizeof(*copy)); + } + } + + *copy_out = copy; + return CSS_OK; +} + +/** Copy type:none terminated array of css_computed_content_item items. */ +static inline css_error css__copy_computed_content_item_array( + bool ref, + const css_computed_content_item *orig, + css_computed_content_item **copy_out) +{ + size_t count = 0; + css_computed_content_item *copy = NULL; + + if (orig != NULL) { + for (const css_computed_content_item *i = orig; + i->type != CSS_COMPUTED_CONTENT_NONE; i++) { + count++; + } + + copy = malloc((count + 1) * sizeof(*copy)); + if (copy == NULL) { + return CSS_NOMEM; + } + + if (ref) { + for (size_t i = 0; i < count; i++) { + switch (orig[i].type) { + case CSS_COMPUTED_CONTENT_STRING: + copy[i].data.string = lwc_string_ref( + orig[i].data.string); + break; + case CSS_COMPUTED_CONTENT_URI: + copy[i].data.uri = lwc_string_ref( + orig[i].data.uri); + break; + case CSS_COMPUTED_CONTENT_ATTR: + copy[i].data.attr = lwc_string_ref( + orig[i].data.attr); + break; + case CSS_COMPUTED_CONTENT_COUNTER: + copy[i].data.counter.name = lwc_string_ref( + orig[i].data.counter.name); + copy[i].data.counter.style = + orig[i].data.counter.style; + break; + case CSS_COMPUTED_CONTENT_COUNTERS: + copy[i].data.counters.name = lwc_string_ref( + orig[i].data.counters.name); + copy[i].data.counters.sep = lwc_string_ref( + orig[i].data.counters.sep); + copy[i].data.counters.style = + orig[i].data.counters.style; + break; + default: + break; + } + copy[i].type = orig[i].type; + } + copy[count].type = CSS_COMPUTED_CONTENT_NONE; + } else { + memcpy(copy, orig, (count + 1) * sizeof(*copy)); + } + } + + *copy_out = copy; + return CSS_OK; +} + #endif |