diff options
Diffstat (limited to 'test/select-bloom-auto.c')
| -rw-r--r-- | test/select-bloom-auto.c | 1631 |
1 files changed, 0 insertions, 1631 deletions
diff --git a/test/select-bloom-auto.c b/test/select-bloom-auto.c deleted file mode 100644 index 2d8628d..0000000 --- a/test/select-bloom-auto.c +++ /dev/null @@ -1,1631 +0,0 @@ -#include <ctype.h> -#include <inttypes.h> -#include <stdbool.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> - -#include <libcss/libcss.h> -#include <libcss/computed.h> -#include <libcss/select.h> -#include <libcss/stylesheet.h> - -#include "utils/utils.h" - -#include "dump_computed.h" -#include "testutils.h" - -typedef struct attribute { - lwc_string *name; - lwc_string *value; -} attribute; - -typedef struct node { - lwc_string *name; - - uint32_t n_attrs; - attribute *attrs; - - struct node *parent; - struct node *next; - struct node *prev; - struct node *children; - struct node *last_child; -} node; - -typedef struct sheet_ctx { - css_stylesheet *sheet; - css_origin origin; - uint64_t media; -} sheet_ctx; - -typedef struct line_ctx { - size_t explen; - size_t expused; - char *exp; - - bool intree; - bool insheet; - bool inerrors; - bool inexp; - - node *tree; - node *current; - uint32_t depth; - - uint32_t n_sheets; - sheet_ctx *sheets; - - uint64_t media; - uint32_t pseudo_element; - node *target; - - lwc_string *attr_class; - lwc_string *attr_id; -} line_ctx; - -static bool handle_line(const char *data, size_t datalen, void *pw); -static void css__parse_tree(line_ctx *ctx, const char *data, size_t len); -static void css__parse_tree_data(line_ctx *ctx, const char *data, size_t len); -static void css__parse_sheet(line_ctx *ctx, const char *data, size_t len); -static void css__parse_media_list(const char **data, size_t *len, uint64_t *media); -static void css__parse_pseudo_list(const char **data, size_t *len, - uint32_t *element); -static void css__parse_expected(line_ctx *ctx, const char *data, size_t len); -static void run_test(line_ctx *ctx, const char *exp, size_t explen); -static void destroy_tree(node *root); - -static css_error node_name(void *pw, void *node, - css_qname *qname); -static css_error node_classes(void *pw, void *node, - lwc_string ***classes, uint32_t *n_classes); -static css_error node_id(void *pw, void *node, - lwc_string **id); -static css_error named_ancestor_node(void *pw, void *node, - const css_qname *qname, - void **ancestor); -static css_error named_parent_node(void *pw, void *node, - const css_qname *qname, - void **parent); -static css_error named_sibling_node(void *pw, void *node, - const css_qname *qname, - void **sibling); -static css_error named_generic_sibling_node(void *pw, void *node, - const css_qname *qname, - void **sibling); -static css_error parent_node(void *pw, void *node, void **parent); -static css_error sibling_node(void *pw, void *node, void **sibling); -static css_error node_has_name(void *pw, void *node, - const css_qname *qname, - bool *match); -static css_error node_has_class(void *pw, void *node, - lwc_string *name, - bool *match); -static css_error node_has_id(void *pw, void *node, - lwc_string *name, - bool *match); -static css_error node_has_attribute(void *pw, void *node, - const css_qname *qname, - bool *match); -static css_error node_has_attribute_equal(void *pw, void *node, - const css_qname *qname, - lwc_string *value, - bool *match); -static css_error node_has_attribute_dashmatch(void *pw, void *node, - const css_qname *qname, - lwc_string *value, - bool *match); -static css_error node_has_attribute_includes(void *pw, void *node, - const css_qname *qname, - lwc_string *value, - bool *match); -static css_error node_has_attribute_prefix(void *pw, void *node, - const css_qname *qname, - lwc_string *value, - bool *match); -static css_error node_has_attribute_suffix(void *pw, void *node, - const css_qname *qname, - lwc_string *value, - bool *match); -static css_error node_has_attribute_substring(void *pw, void *node, - const css_qname *qname, - lwc_string *value, - bool *match); -static css_error node_is_root(void *pw, void *node, bool *match); -static css_error node_count_siblings(void *pw, void *node, - bool same_name, bool after, int32_t *count); -static css_error node_is_empty(void *pw, void *node, bool *match); -static css_error node_is_link(void *pw, void *node, bool *match); -static css_error node_is_visited(void *pw, void *node, bool *match); -static css_error node_is_hover(void *pw, void *node, bool *match); -static css_error node_is_active(void *pw, void *node, bool *match); -static css_error node_is_focus(void *pw, void *node, bool *match); -static css_error node_is_enabled(void *pw, void *node, bool *match); -static css_error node_is_disabled(void *pw, void *node, bool *match); -static css_error node_is_checked(void *pw, void *node, bool *match); -static css_error node_is_target(void *pw, void *node, bool *match); -static css_error node_is_lang(void *pw, void *node, - lwc_string *lang, bool *match); -static css_error node_presentational_hint(void *pw, void *node, - uint32_t property, css_hint *hint); -static css_error ua_default_for_property(void *pw, uint32_t property, - css_hint *hint); -static css_error compute_font_size(void *pw, const css_hint *parent, - css_hint *size); - -static css_select_handler select_handler = { - CSS_SELECT_HANDLER_VERSION_1, - - node_name, - node_classes, - node_id, - named_ancestor_node, - named_parent_node, - named_sibling_node, - named_generic_sibling_node, - parent_node, - sibling_node, - node_has_name, - node_has_class, - node_has_id, - node_has_attribute, - node_has_attribute_equal, - node_has_attribute_dashmatch, - node_has_attribute_includes, - node_has_attribute_prefix, - node_has_attribute_suffix, - node_has_attribute_substring, - node_is_root, - node_count_siblings, - node_is_empty, - node_is_link, - node_is_visited, - node_is_hover, - node_is_active, - node_is_focus, - node_is_enabled, - node_is_disabled, - node_is_checked, - node_is_target, - node_is_lang, - node_presentational_hint, - ua_default_for_property, - compute_font_size -}; - -static void *myrealloc(void *data, size_t len, void *pw) -{ - UNUSED(pw); - - return realloc(data, len); -} - -static css_error resolve_url(void *pw, - const char *base, lwc_string *rel, lwc_string **abs) -{ - UNUSED(pw); - UNUSED(base); - - /* About as useless as possible */ - *abs = lwc_string_ref(rel); - - return CSS_OK; -} - -static bool fail_because_lwc_leaked = false; - -static void -printing_lwc_iterator(lwc_string *str, void *pw) -{ - UNUSED(pw); - - printf(" DICT: %*s\n", (int)(lwc_string_length(str)), lwc_string_data(str)); - fail_because_lwc_leaked = true; -} - -int main(int argc, char **argv) -{ - line_ctx ctx; - - if (argc != 2) { - printf("Usage: %s <filename>\n", argv[0]); - return 1; - } - - memset(&ctx, 0, sizeof(ctx)); - - - lwc_intern_string("class", SLEN("class"), &ctx.attr_class); - lwc_intern_string("id", SLEN("id"), &ctx.attr_id); - - assert(css__parse_testfile(argv[1], handle_line, &ctx) == true); - - /* and run final test */ - if (ctx.tree != NULL) - run_test(&ctx, ctx.exp, ctx.expused); - - free(ctx.exp); - - lwc_string_unref(ctx.attr_class); - lwc_string_unref(ctx.attr_id); - - lwc_iterate_strings(printing_lwc_iterator, NULL); - - assert(fail_because_lwc_leaked == false); - - printf("PASS\n"); - return 0; -} - -bool handle_line(const char *data, size_t datalen, void *pw) -{ - line_ctx *ctx = (line_ctx *) pw; - css_error error; - - if (data[0] == '#') { - if (ctx->intree) { - if (strncasecmp(data+1, "errors", 6) == 0) { - ctx->intree = false; - ctx->insheet = false; - ctx->inerrors = true; - ctx->inexp = false; - } else { - /* Assume start of stylesheet */ - css__parse_sheet(ctx, data + 1, datalen - 1); - - ctx->intree = false; - ctx->insheet = true; - ctx->inerrors = false; - ctx->inexp = false; - } - } else if (ctx->insheet) { - if (strncasecmp(data+1, "errors", 6) == 0) { - assert(css_stylesheet_data_done( - ctx->sheets[ctx->n_sheets - 1].sheet) - == CSS_OK); - - ctx->intree = false; - ctx->insheet = false; - ctx->inerrors = true; - ctx->inexp = false; - } else if (strncasecmp(data+1, "ua", 2) == 0 || - strncasecmp(data+1, "user", 4) == 0 || - strncasecmp(data+1, "author", 6) == 0) { - assert(css_stylesheet_data_done( - ctx->sheets[ctx->n_sheets - 1].sheet) - == CSS_OK); - - css__parse_sheet(ctx, data + 1, datalen - 1); - } else { - error = css_stylesheet_append_data( - ctx->sheets[ctx->n_sheets - 1].sheet, - (const uint8_t *) data, - datalen); - assert(error == CSS_OK || - error == CSS_NEEDDATA); - } - } else if (ctx->inerrors) { - ctx->intree = false; - ctx->insheet = false; - ctx->inerrors = false; - ctx->inexp = true; - } else if (ctx->inexp) { - /* This marks end of testcase, so run it */ - run_test(ctx, ctx->exp, ctx->expused); - - ctx->expused = 0; - - ctx->intree = false; - ctx->insheet = false; - ctx->inerrors = false; - ctx->inexp = false; - } else { - /* Start state */ - if (strncasecmp(data+1, "tree", 4) == 0) { - css__parse_tree(ctx, data + 5, datalen - 5); - - ctx->intree = true; - ctx->insheet = false; - ctx->inerrors = false; - ctx->inexp = false; - } - } - } else { - if (ctx->intree) { - /* Not interested in the '|' */ - css__parse_tree_data(ctx, data + 1, datalen - 1); - } else if (ctx->insheet) { - error = css_stylesheet_append_data( - ctx->sheets[ctx->n_sheets - 1].sheet, - (const uint8_t *) data, datalen); - assert(error == CSS_OK || error == CSS_NEEDDATA); - } else if (ctx->inexp) { - css__parse_expected(ctx, data, datalen); - } - } - - return true; -} - -void css__parse_tree(line_ctx *ctx, const char *data, size_t len) -{ - const char *p = data; - const char *end = data + len; - size_t left; - - /* [ <media_list> <pseudo>? ] ? */ - - ctx->media = CSS_MEDIA_ALL; - ctx->pseudo_element = CSS_PSEUDO_ELEMENT_NONE; - - /* Consume any leading whitespace */ - while (p < end && isspace(*p)) - p++; - - if (p < end) { - left = end - p; - - css__parse_media_list(&p, &left, &ctx->media); - - end = p + left; - } - - if (p < end) { - left = end - p; - - css__parse_pseudo_list(&p, &left, &ctx->pseudo_element); - } -} - -void css__parse_tree_data(line_ctx *ctx, const char *data, size_t len) -{ - const char *p = data; - const char *end = data + len; - const char *name = NULL; - const char *value = NULL; - size_t namelen = 0; - size_t valuelen = 0; - uint32_t depth = 0; - bool target = false; - - /* ' '{depth+1} [ <element> '*'? | <attr> ] - * - * <element> ::= [^=*[:space:]]+ - * <attr> ::= [^=*[:space:]]+ '=' [^[:space:]]* - */ - - while (p < end && isspace(*p)) { - depth++; - p++; - } - depth--; - - /* Get element/attribute name */ - name = p; - while (p < end && *p != '=' && *p != '*' && isspace(*p) == false) { - namelen++; - p++; - } - - /* Skip whitespace */ - while (p < end && isspace(*p)) - p++; - - if (p < end && *p == '=') { - /* Attribute value */ - p++; - - value = p; - - while (p < end && isspace(*p) == false) { - valuelen++; - p++; - } - } else if (p < end && *p == '*') { - /* Element is target node */ - target = true; - } - - if (value == NULL) { - /* We have an element, so create it */ - node *n = malloc(sizeof(node)); - assert(n != NULL); - - memset(n, 0, sizeof(node)); - - lwc_intern_string(name, namelen, &n->name); - - /* Insert it into tree */ - if (ctx->tree == NULL) { - ctx->tree = n; - } else { - assert(depth > 0); - assert(depth <= ctx->depth + 1); - - /* Find node to insert into */ - while (depth <= ctx->depth) { - ctx->depth--; - ctx->current = ctx->current->parent; - } - - /* Insert into current node */ - if (ctx->current->children == NULL) { - ctx->current->children = n; - ctx->current->last_child = n; - } else { - ctx->current->last_child->next = n; - n->prev = ctx->current->last_child; - - ctx->current->last_child = n; - } - n->parent = ctx->current; - } - - ctx->current = n; - ctx->depth = depth; - - /* Mark the target, if it's us */ - if (target) - ctx->target = n; - } else { - /* New attribute */ - attribute *attr; - - attribute *temp = realloc(ctx->current->attrs, - (ctx->current->n_attrs + 1) * sizeof(attribute)); - assert(temp != NULL); - - ctx->current->attrs = temp; - - attr = &ctx->current->attrs[ctx->current->n_attrs]; - - lwc_intern_string(name, namelen, &attr->name); - lwc_intern_string(value, valuelen, &attr->value); - - ctx->current->n_attrs++; - } -} - -void css__parse_sheet(line_ctx *ctx, const char *data, size_t len) -{ - css_stylesheet_params params; - const char *p; - const char *end = data + len; - css_origin origin = CSS_ORIGIN_AUTHOR; - uint64_t media = CSS_MEDIA_ALL; - css_stylesheet *sheet; - sheet_ctx *temp; - - /* <origin> <media_list>? */ - - /* Find end of origin */ - for (p = data; p < end; p++) { - if (isspace(*p)) - break; - } - - if (p - data == 6 && strncasecmp(data, "author", 6) == 0) - origin = CSS_ORIGIN_AUTHOR; - else if (p - data == 4 && strncasecmp(data, "user", 4) == 0) - origin = CSS_ORIGIN_USER; - else if (p - data == 2 && strncasecmp(data, "ua", 2) == 0) - origin = CSS_ORIGIN_UA; - else - assert(0 && "Unknown stylesheet origin"); - - /* Skip any whitespace */ - while (p < end && isspace(*p)) - p++; - - if (p < end) { - size_t ignored = end - p; - - css__parse_media_list(&p, &ignored, &media); - } - - params.params_version = CSS_STYLESHEET_PARAMS_VERSION_1; - params.level = CSS_LEVEL_21; - params.charset = "UTF-8"; - params.url = "foo"; - params.title = "foo"; - params.allow_quirks = false; - params.inline_style = false; - params.resolve = resolve_url; - params.resolve_pw = NULL; - params.import = NULL; - params.import_pw = NULL; - params.color = NULL; - params.color_pw = NULL; - params.font = NULL; - params.font_pw = NULL; - - /** \todo How are we going to handle @import? */ - assert(css_stylesheet_create(¶ms, myrealloc, NULL, - &sheet) == CSS_OK); - - /* Extend array of sheets and append new sheet to it */ - temp = realloc(ctx->sheets, - (ctx->n_sheets + 1) * sizeof(sheet_ctx)); - assert(temp != NULL); - - ctx->sheets = temp; - - ctx->sheets[ctx->n_sheets].sheet = sheet; - ctx->sheets[ctx->n_sheets].origin = origin; - ctx->sheets[ctx->n_sheets].media = media; - - ctx->n_sheets++; -} - -void css__parse_media_list(const char **data, size_t *len, uint64_t *media) -{ - const char *p = *data; - const char *end = p + *len; - uint64_t result = 0; - - /* <medium> [ ',' <medium> ]* */ - - while (p < end) { - const char *start = p; - - /* consume a medium */ - while (isspace(*p) == false && *p != ',') - p++; - - if (p - start == 10 && - strncasecmp(start, "projection", 10) == 0) - result |= CSS_MEDIA_PROJECTION; - else if (p - start == 8 && - strncasecmp(start, "handheld", 8) == 0) - result |= CSS_MEDIA_HANDHELD; - else if (p - start == 8 && - strncasecmp(start, "embossed", 8) == 0) - result |= CSS_MEDIA_EMBOSSED; - else if (p - start == 7 && - strncasecmp(start, "braille", 7) == 0) - result |= CSS_MEDIA_BRAILLE; - else if (p - start == 6 && - strncasecmp(start, "speech", 6) == 0) - result |= CSS_MEDIA_SPEECH; - else if (p - start == 6 && - strncasecmp(start, "screen", 6) == 0) - result |= CSS_MEDIA_SCREEN; - else if (p - start == 5 && - strncasecmp(start, "print", 5) == 0) - result |= CSS_MEDIA_PRINT; - else if (p - start == 5 && - strncasecmp(start, "aural", 5) == 0) - result |= CSS_MEDIA_AURAL; - else if (p - start == 3 && - strncasecmp(start, "tty", 3) == 0) - result |= CSS_MEDIA_TTY; - else if (p - start == 3 && - strncasecmp(start, "all", 3) == 0) - result |= CSS_MEDIA_ALL; - else if (p - start == 2 && - strncasecmp(start, "tv", 2) == 0) - result |= CSS_MEDIA_TV; - else - assert(0 && "Unknown media type"); - - /* Consume whitespace */ - while (p < end && isspace(*p)) - p++; - - /* Stop if we've reached the end */ - if (p == end || *p != ',') - break; - - /* Consume comma */ - p++; - - /* Consume whitespace */ - while (p < end && isspace(*p)) - p++; - } - - *media = result; - - *data = p; - *len = end - p; -} - -void css__parse_pseudo_list(const char **data, size_t *len, uint32_t *element) -{ - const char *p = *data; - const char *end = p + *len; - - /* <pseudo> [ ',' <pseudo> ]* */ - - *element = CSS_PSEUDO_ELEMENT_NONE; - - while (p < end) { - const char *start = p; - - /* consume a pseudo */ - while (isspace(*p) == false && *p != ',') - p++; - - /* Pseudo elements */ - if (p - start == 12 && - strncasecmp(start, "first-letter", 12) == 0) - *element = CSS_PSEUDO_ELEMENT_FIRST_LETTER; - else if (p - start == 10 && - strncasecmp(start, "first-line", 10) == 0) - *element = CSS_PSEUDO_ELEMENT_FIRST_LINE; - else if (p - start == 6 && - strncasecmp(start, "before", 6) == 0) - *element = CSS_PSEUDO_ELEMENT_BEFORE; - else if (p - start == 5 && - strncasecmp(start, "after", 5) == 0) - *element = CSS_PSEUDO_ELEMENT_AFTER; - else - assert(0 && "Unknown pseudo"); - - /* Consume whitespace */ - while (p < end && isspace(*p)) - p++; - - /* Stop if we've reached the end */ - if (p == end || *p != ',') - break; - - /* Consume comma */ - p++; - - /* Consume whitespace */ - while (p < end && isspace(*p)) - p++; - } - - *data = p; - *len = end - p; -} - -void css__parse_expected(line_ctx *ctx, const char *data, size_t len) -{ - while (ctx->expused + len >= ctx->explen) { - size_t required = ctx->explen == 0 ? 64 : ctx->explen * 2; - char *temp = realloc(ctx->exp, required); - if (temp == NULL) { - assert(0 && "No memory for expected output"); - } - - ctx->exp = temp; - ctx->explen = required; - } - - memcpy(ctx->exp + ctx->expused, data, len); - - ctx->expused += len; -} - -static void get_bloom_for_target_node(line_ctx *ctx, - css_bloom bloom[CSS_BLOOM_SIZE]) -{ - node *n = ctx->target; - bool match; - uint32_t i; - - css_bloom_init(bloom); - - while (n->parent != NULL) { - n = n->parent; - - /* Element name */ - if (n->name->insensitive == NULL) - assert(lwc__intern_caseless_string(n->name) == - lwc_error_ok); - - css_bloom_add_hash(bloom, - lwc_string_hash_value(n->name->insensitive)); - - /* Id */ - for (i = 0; i < n->n_attrs; i++) { - assert(lwc_string_caseless_isequal( - n->attrs[i].name, ctx->attr_id, - &match) == lwc_error_ok); - if (match == true) { - css_bloom_add_hash(bloom, - lwc_string_hash_value( - n->attrs[i].value)); - break; - } - } - - /* Classes */ - for (i = 0; i < n->n_attrs; i++) { - assert(lwc_string_caseless_isequal( - n->attrs[i].name, ctx->attr_class, - &match) == lwc_error_ok); - if (match == true) { - css_bloom_add_hash(bloom, - lwc_string_hash_value( - n->attrs[i].value)); - break; - } - } - } -} - -void run_test(line_ctx *ctx, const char *exp, size_t explen) -{ - css_select_ctx *select; - css_select_results *results; - uint32_t i; - char *buf; - size_t buflen; - static int testnum; - css_bloom node_bloom[CSS_BLOOM_SIZE]; - - UNUSED(exp); - - buf = malloc(8192); - if (buf == NULL) { - assert(0 && "No memory for result data"); - } - buflen = 8192; - - assert(css_select_ctx_create(myrealloc, NULL, &select) == CSS_OK); - - for (i = 0; i < ctx->n_sheets; i++) { - assert(css_select_ctx_append_sheet(select, - ctx->sheets[i].sheet, ctx->sheets[i].origin, - ctx->sheets[i].media) == CSS_OK); - } - - testnum++; - - get_bloom_for_target_node(ctx, node_bloom); - - assert(css_select_style(select, ctx->target, node_bloom, ctx->media, NULL, - &select_handler, ctx, &results) == CSS_OK); - - assert(results->styles[ctx->pseudo_element] != NULL); - - dump_computed_style(results->styles[ctx->pseudo_element], buf, &buflen); - - if (8192 - buflen != explen || memcmp(buf, exp, explen) != 0) { - printf("Expected (%u):\n%.*s\n", - (int) explen, (int) explen, exp); - printf("Result (%u):\n%.*s\n", (int) (8192 - buflen), - (int) (8192 - buflen), buf); - assert(0 && "Result doesn't match expected"); - } - - /* Clean up */ - css_select_results_destroy(results); - css_select_ctx_destroy(select); - - destroy_tree(ctx->tree); - - for (i = 0; i < ctx->n_sheets; i++) { - css_stylesheet_destroy(ctx->sheets[i].sheet); - } - - ctx->tree = NULL; - ctx->current = NULL; - ctx->depth = 0; - ctx->n_sheets = 0; - free(ctx->sheets); - ctx->sheets = NULL; - ctx->target = NULL; - - free(buf); - - printf("Test %d: PASS\n", testnum); -} - -void destroy_tree(node *root) -{ - node *n, *p; - uint32_t i; - - for (n = root->children; n != NULL; n = p) { - p = n->next; - - destroy_tree(n); - } - - for (i = 0; i < root->n_attrs; ++i) { - lwc_string_unref(root->attrs[i].name); - lwc_string_unref(root->attrs[i].value); - } - - free(root->attrs); - - lwc_string_unref(root->name); - free(root); -} - - -css_error node_name(void *pw, void *n, css_qname *qname) -{ - node *node = n; - - UNUSED(pw); - - qname->name = lwc_string_ref(node->name); - - return CSS_OK; -} - -css_error node_classes(void *pw, void *n, - lwc_string ***classes, uint32_t *n_classes) -{ - node *node = n; - uint32_t i; - line_ctx *lc = pw; - - for (i = 0; i < node->n_attrs; i++) { - bool amatch = false; - assert(lwc_string_caseless_isequal( - node->attrs[i].name, lc->attr_class, &amatch) == - lwc_error_ok); - if (amatch == true) - break; - } - - if (i != node->n_attrs) { - *classes = realloc(NULL, sizeof(lwc_string **)); - if (*classes == NULL) - return CSS_NOMEM; - - *(classes[0]) = - lwc_string_ref(node->attrs[i].value); - *n_classes = 1; - } else { - *classes = NULL; - *n_classes = 0; - } - - return CSS_OK; - -} - -css_error node_id(void *pw, void *n, - lwc_string **id) -{ - node *node = n; - uint32_t i; - line_ctx *lc = pw; - - for (i = 0; i < node->n_attrs; i++) { - bool amatch = false; - assert(lwc_string_caseless_isequal( - node->attrs[i].name, lc->attr_id, &amatch) == - lwc_error_ok); - if (amatch == true) - break; - } - - if (i != node->n_attrs) - *id = lwc_string_ref(node->attrs[i].value); - else - *id = NULL; - - return CSS_OK; -} - -css_error named_ancestor_node(void *pw, void *n, - const css_qname *qname, - void **ancestor) -{ - node *node = n; - UNUSED(pw); - - for (node = node->parent; node != NULL; node = node->parent) { - bool match = false; - assert(lwc_string_caseless_isequal( - qname->name, node->name, - &match) == lwc_error_ok); - if (match == true) - break; - } - - *ancestor = (void *) node; - - return CSS_OK; -} - -css_error named_parent_node(void *pw, void *n, - const css_qname *qname, - void **parent) -{ - node *node = n; - UNUSED(pw); - - *parent = NULL; - if (node->parent != NULL) { - bool match = false; - assert(lwc_string_caseless_isequal( - qname->name, node->parent->name, &match) == - lwc_error_ok); - if (match == true) - *parent = (void *) node->parent; - } - - return CSS_OK; -} - -css_error named_sibling_node(void *pw, void *n, - const css_qname *qname, - void **sibling) -{ - node *node = n; - UNUSED(pw); - - *sibling = NULL; - if (node->prev != NULL) { - bool match = false; - assert(lwc_string_caseless_isequal( - qname->name, node->prev->name, &match) == - lwc_error_ok); - if (match == true) - *sibling = (void *) node->prev; - } - - return CSS_OK; -} - -css_error named_generic_sibling_node(void *pw, void *n, - const css_qname *qname, - void **sibling) -{ - node *node = n; - UNUSED(pw); - - for (node = node->prev; node != NULL; node = node->prev) { - bool match = false; - assert(lwc_string_caseless_isequal( - qname->name, node->name, - &match) == lwc_error_ok); - if (match == true) - break; - } - - *sibling = (void *) node; - - return CSS_OK; -} - -css_error parent_node(void *pw, void *n, void **parent) -{ - node *node = n; - - UNUSED(pw); - - *parent = (void *) node->parent; - - return CSS_OK; -} - -css_error sibling_node(void *pw, void *n, void **sibling) -{ - node *node = n; - - UNUSED(pw); - - *sibling = (void *) node->prev; - - return CSS_OK; -} - -css_error node_has_name(void *pw, void *n, - const css_qname *qname, - bool *match) -{ - node *node = n; - UNUSED(pw); - - if (lwc_string_length(qname->name) == 1 && - lwc_string_data(qname->name)[0] == '*') - *match = true; - else - assert(lwc_string_caseless_isequal(node->name, - qname->name, match) == lwc_error_ok); - - return CSS_OK; -} - -css_error node_has_class(void *pw, void *n, - lwc_string *name, - bool *match) -{ - node *node = n; - uint32_t i; - line_ctx *ctx = pw; - - for (i = 0; i < node->n_attrs; i++) { - bool amatch = false; - assert(lwc_string_caseless_isequal( - node->attrs[i].name, ctx->attr_class, - &amatch) == lwc_error_ok); - if (amatch == true) - break; - } - - /* Classes are case-sensitive in HTML */ - if (i != node->n_attrs && name == node->attrs[i].value) - *match = true; - else - *match = false; - - return CSS_OK; -} - -css_error node_has_id(void *pw, void *n, - lwc_string *name, - bool *match) -{ - node *node = n; - uint32_t i; - line_ctx *ctx = pw; - - for (i = 0; i < node->n_attrs; i++) { - bool amatch = false; - assert(lwc_string_caseless_isequal( - node->attrs[i].name, ctx->attr_id, &amatch) == - lwc_error_ok); - if (amatch == true) - break; - } - - /* IDs are case-sensitive in HTML */ - if (i != node->n_attrs && name == node->attrs[i].value) - *match = true; - else - *match = false; - - return CSS_OK; -} - -css_error node_has_attribute(void *pw, void *n, - const css_qname *qname, - bool *match) -{ - node *node = n; - uint32_t i; - UNUSED(pw); - - *match = false; - for (i = 0; i < node->n_attrs; i++) { - assert(lwc_string_caseless_isequal( - node->attrs[i].name, qname->name, match) == - lwc_error_ok); - if (*match == true) - break; - } - - return CSS_OK; -} - -css_error node_has_attribute_equal(void *pw, void *n, - const css_qname *qname, - lwc_string *value, - bool *match) -{ - node *node = n; - uint32_t i; - UNUSED(pw); - - *match = false; - - for (i = 0; i < node->n_attrs; i++) { - assert(lwc_string_caseless_isequal( - node->attrs[i].name, qname->name, match) == - lwc_error_ok); - if (*match == true) - break; - } - - if (*match == true) { - assert(lwc_string_caseless_isequal( - node->attrs[i].name, value, match) == - lwc_error_ok); - } - - return CSS_OK; -} - -css_error node_has_attribute_includes(void *pw, void *n, - const css_qname *qname, - lwc_string *value, - bool *match) -{ - node *node = n; - uint32_t i; - size_t vlen = lwc_string_length(value); - UNUSED(pw); - - *match = false; - - for (i = 0; i < node->n_attrs; i++) { - assert(lwc_string_caseless_isequal( - node->attrs[i].name, qname->name, match) == - lwc_error_ok); - if (*match == true) - break; - } - - if (*match == true) { - const char *p; - const char *start = lwc_string_data(node->attrs[i].value); - const char *end = start + - lwc_string_length(node->attrs[i].value); - - *match = false; - - for (p = start; p < end; p++) { - if (*p == ' ') { - if ((size_t) (p - start) == vlen && - strncasecmp(start, - lwc_string_data(value), - vlen) == 0) { - *match = true; - break; - } - - start = p + 1; - } - } - } - - return CSS_OK; -} - -css_error node_has_attribute_dashmatch(void *pw, void *n, - const css_qname *qname, - lwc_string *value, - bool *match) -{ - node *node = n; - uint32_t i; - size_t vlen = lwc_string_length(value); - UNUSED(pw); - - *match = false; - - for (i = 0; i < node->n_attrs; i++) { - assert(lwc_string_caseless_isequal( - node->attrs[i].name, qname->name, match) == - lwc_error_ok); - if (*match == true) - break; - } - - if (*match == true) { - const char *p; - const char *start = lwc_string_data(node->attrs[i].value); - const char *end = start + - lwc_string_length(node->attrs[i].value); - - *match = false; - - for (p = start; p < end; p++) { - if (*p == '-') { - if ((size_t) (p - start) == vlen && - strncasecmp(start, - lwc_string_data(value), - vlen) == 0) { - *match = true; - break; - } - - start = p + 1; - } - } - } - - return CSS_OK; -} - -css_error node_has_attribute_prefix(void *pw, void *n, - const css_qname *qname, - lwc_string *value, - bool *match) -{ - node *node = n; - uint32_t i; - UNUSED(pw); - - *match = false; - - for (i = 0; i < node->n_attrs; i++) { - assert(lwc_string_caseless_isequal( - node->attrs[i].name, qname->name, match) == - lwc_error_ok); - if (*match == true) - break; - } - - if (*match == true) { - size_t len = lwc_string_length(node->attrs[i].value); - const char *data = lwc_string_data(node->attrs[i].value); - - size_t vlen = lwc_string_length(value); - const char *vdata = lwc_string_data(value); - - if (len < vlen) - *match = false; - else - *match = (strncasecmp(data, vdata, vlen) == 0); - } - - return CSS_OK; -} - -css_error node_has_attribute_suffix(void *pw, void *n, - const css_qname *qname, - lwc_string *value, - bool *match) -{ - node *node = n; - uint32_t i; - UNUSED(pw); - - *match = false; - - for (i = 0; i < node->n_attrs; i++) { - assert(lwc_string_caseless_isequal( - node->attrs[i].name, qname->name, match) == - lwc_error_ok); - if (*match == true) - break; - } - - if (*match == true) { - size_t len = lwc_string_length(node->attrs[i].value); - const char *data = lwc_string_data(node->attrs[i].value); - - size_t vlen = lwc_string_length(value); - const char *vdata = lwc_string_data(value); - - size_t suffix_start = len - vlen; - - if (len < vlen) - *match = false; - else { - *match = (strncasecmp(data + suffix_start, - vdata, vlen) == 0); - } - } - - return CSS_OK; -} - -css_error node_has_attribute_substring(void *pw, void *n, - const css_qname *qname, - lwc_string *value, - bool *match) -{ - node *node = n; - uint32_t i; - UNUSED(pw); - - *match = false; - - for (i = 0; i < node->n_attrs; i++) { - assert(lwc_string_caseless_isequal( - node->attrs[i].name, qname->name, match) == - lwc_error_ok); - if (*match == true) - break; - } - - if (*match == true) { - size_t len = lwc_string_length(node->attrs[i].value); - const char *data = lwc_string_data(node->attrs[i].value); - - size_t vlen = lwc_string_length(value); - const char *vdata = lwc_string_data(value); - - const char *last_start = data + len - vlen; - - if (len < vlen) - *match = false; - else { - while (data <= last_start) { - if (strncasecmp(data, vdata, vlen) == 0) { - *match = true; - break; - } - - data++; - } - - if (data > last_start) - *match = false; - } - } - - return CSS_OK; -} - -css_error node_is_root(void *pw, void *n, bool *match) -{ - node *node = n; - UNUSED(pw); - - *match = (node->parent == NULL); - - return CSS_OK; -} - -css_error node_count_siblings(void *pw, void *n, - bool same_name, bool after, int32_t *count) -{ - int32_t cnt = 0; - bool match = false; - node *node = n; - lwc_string *name = node->name; - UNUSED(pw); - - if (after) { - while (node->next != NULL) { - if (same_name) { - assert(lwc_string_caseless_isequal( - name, node->next->name, &match) == - lwc_error_ok); - - if (match) - cnt++; - } else { - cnt++; - } - - node = node->next; - } - } else { - while (node->prev != NULL) { - if (same_name) { - assert(lwc_string_caseless_isequal( - name, node->prev->name, &match) == - lwc_error_ok); - - if (match) - cnt++; - } else { - cnt++; - } - - node = node->prev; - } - } - - *count = cnt; - - return CSS_OK; -} - -css_error node_is_empty(void *pw, void *n, bool *match) -{ - node *node = n; - UNUSED(pw); - - *match = (node->children == NULL); - - return CSS_OK; -} - -css_error node_is_link(void *pw, void *n, bool *match) -{ - node *node = n; - - UNUSED(pw); - UNUSED(node); - - *match = false; - - return CSS_OK; -} - -css_error node_is_visited(void *pw, void *n, bool *match) -{ - node *node = n; - - UNUSED(pw); - UNUSED(node); - - *match = false; - - return CSS_OK; -} - -css_error node_is_hover(void *pw, void *n, bool *match) -{ - node *node = n; - - UNUSED(pw); - UNUSED(node); - - *match = false; - - return CSS_OK; -} - -css_error node_is_active(void *pw, void *n, bool *match) -{ - node *node = n; - - UNUSED(pw); - UNUSED(node); - - *match = false; - - return CSS_OK; -} - -css_error node_is_focus(void *pw, void *n, bool *match) -{ - node *node = n; - - UNUSED(pw); - UNUSED(node); - - *match = false; - - return CSS_OK; -} - -css_error node_is_enabled(void *pw, void *n, bool *match) -{ - node *node = n; - - UNUSED(pw); - UNUSED(node); - - *match = false; - - return CSS_OK; -} - -css_error node_is_disabled(void *pw, void *n, bool *match) -{ - node *node = n; - - UNUSED(pw); - UNUSED(node); - - *match = false; - - return CSS_OK; -} - -css_error node_is_checked(void *pw, void *n, bool *match) -{ - node *node = n; - - UNUSED(pw); - UNUSED(node); - - *match = false; - - return CSS_OK; -} - -css_error node_is_target(void *pw, void *n, bool *match) -{ - node *node = n; - - UNUSED(pw); - UNUSED(node); - - *match = false; - - return CSS_OK; -} - -css_error node_is_lang(void *pw, void *n, - lwc_string *lang, - bool *match) -{ - node *node = n; - - UNUSED(pw); - UNUSED(node); - UNUSED(lang); - - *match = false; - - return CSS_OK; -} - -css_error node_presentational_hint(void *pw, void *node, - uint32_t property, css_hint *hint) -{ - UNUSED(pw); - UNUSED(node); - UNUSED(property); - UNUSED(hint); - - return CSS_PROPERTY_NOT_SET; -} - -css_error ua_default_for_property(void *pw, uint32_t property, css_hint *hint) -{ - UNUSED(pw); - - if (property == CSS_PROP_COLOR) { - hint->data.color = 0xff000000; - hint->status = CSS_COLOR_COLOR; - } else if (property == CSS_PROP_FONT_FAMILY) { - hint->data.strings = NULL; - hint->status = CSS_FONT_FAMILY_SANS_SERIF; - } else if (property == CSS_PROP_QUOTES) { - /* Not exactly useful :) */ - hint->data.strings = NULL; - hint->status = CSS_QUOTES_NONE; - } else if (property == CSS_PROP_VOICE_FAMILY) { - /** \todo Fix this when we have voice-family done */ - hint->data.strings = NULL; - hint->status = 0; - } else { - return CSS_INVALID; - } - - return CSS_OK; -} - -css_error compute_font_size(void *pw, const css_hint *parent, css_hint *size) -{ - static css_hint_length sizes[] = { - { FLTTOFIX(6.75), CSS_UNIT_PT }, - { FLTTOFIX(7.50), CSS_UNIT_PT }, - { FLTTOFIX(9.75), CSS_UNIT_PT }, - { FLTTOFIX(12.0), CSS_UNIT_PT }, - { FLTTOFIX(13.5), CSS_UNIT_PT }, - { FLTTOFIX(18.0), CSS_UNIT_PT }, - { FLTTOFIX(24.0), CSS_UNIT_PT } - }; - const css_hint_length *parent_size; - - UNUSED(pw); - - /* Grab parent size, defaulting to medium if none */ - if (parent == NULL) { - parent_size = &sizes[CSS_FONT_SIZE_MEDIUM - 1]; - } else { - assert(parent->status == CSS_FONT_SIZE_DIMENSION); - assert(parent->data.length.unit != CSS_UNIT_EM); - assert(parent->data.length.unit != CSS_UNIT_EX); - parent_size = &parent->data.length; - } - - assert(size->status != CSS_FONT_SIZE_INHERIT); - - if (size->status < CSS_FONT_SIZE_LARGER) { - /* Keyword -- simple */ - size->data.length = sizes[size->status - 1]; - } else if (size->status == CSS_FONT_SIZE_LARGER) { - /** \todo Step within table, if appropriate */ - size->data.length.value = - FMUL(parent_size->value, FLTTOFIX(1.2)); - size->data.length.unit = parent_size->unit; - } else if (size->status == CSS_FONT_SIZE_SMALLER) { - /** \todo Step within table, if appropriate */ - size->data.length.value = - FMUL(parent_size->value, FLTTOFIX(1.2)); - size->data.length.unit = parent_size->unit; - } else if (size->data.length.unit == CSS_UNIT_EM || - size->data.length.unit == CSS_UNIT_EX) { - size->data.length.value = - FMUL(size->data.length.value, parent_size->value); - - if (size->data.length.unit == CSS_UNIT_EX) { - size->data.length.value = FMUL(size->data.length.value, - FLTTOFIX(0.6)); - } - - size->data.length.unit = parent_size->unit; - } else if (size->data.length.unit == CSS_UNIT_PCT) { - size->data.length.value = FDIV(FMUL(size->data.length.value, - parent_size->value), FLTTOFIX(100)); - size->data.length.unit = parent_size->unit; - } - - size->status = CSS_FONT_SIZE_DIMENSION; - - return CSS_OK; -} - |