r13321 tlsa - in /trunk/libdom/examples: dom-structure-dump.c makefile

Author: tlsa Date: Thu Dec 22 04:22:51 2011 New Revision: 13321 URL: http://source.netsurf-browser.org?rev=13321&view=rev Log: Update for current libdom. Has issues. Modified: trunk/libdom/examples/dom-structure-dump.c trunk/libdom/examples/makefile Modified: trunk/libdom/examples/dom-structure-dump.c URL: http://source.netsurf-browser.org/trunk/libdom/examples/dom-structure-dum... ============================================================================== --- trunk/libdom/examples/dom-structure-dump.c (original) +++ trunk/libdom/examples/dom-structure-dump.c Thu Dec 22 04:22:51 2011 @@ -3,7 +3,7 @@ * Licensed under the MIT License, * http://www.opensource.org/licenses/mit-license.php * - * Copyright 2010 Michael Drake <tlsa(a)netsurf-browser.org&gt; + * Copyright 2010 - 2011 Michael Drake <tlsa(a)netsurf-browser.org&gt; */ /* @@ -39,6 +39,7 @@ #include <assert.h> #include <stdarg.h> #include <stdbool.h> +#include <stdint.h> #include <stdio.h> #include <stdlib.h> #include <fcntl.h> @@ -47,13 +48,6 @@ #include <dom/bindings/hubbub/parser.h> #define UNUSED(x) ((x)=(x)) - -void *test_realloc(void *ptr, size_t len, void *pw) -{ - UNUSED(pw); - - return realloc(ptr, len); -} void test_msg(uint32_t severity, void *ctx, const char *msg, ...) { @@ -83,11 +77,10 @@ int chunk_length; dom_hubbub_error error; dom_document *doc; - char buffer[buffer_size]; + unsigned char buffer[buffer_size]; /* Create Hubbub parser */ - parser = dom_hubbub_parser_create(NULL, true, test_realloc, NULL, - test_msg, NULL); + parser = dom_hubbub_parser_create(NULL, true, test_msg, NULL); if (parser == NULL) { printf("Can't create Hubbub Parser\n"); return NULL; @@ -147,82 +140,67 @@ bool dump_dom_element_class(dom_node_internal *node) { dom_exception exc; - lwc_error err; dom_string *class = NULL; dom_string *classvalue = NULL; - lwc_string *lwcstr = NULL; + dom_node_type type; + const char *string; + size_t length; + + /* Should only have element nodes here */ + exc = dom_node_get_node_type(node, &type); + if (exc != DOM_NO_ERR) { + printf(" Exception raised for node_get_node_type\n"); + return false; + } + assert(type == DOM_ELEMENT_NODE); + + /* Create a dom_string containing "class". */ + exc = dom_string_create((uint8_t *)"class", 5, &class); + if (exc != DOM_NO_ERR) { + printf(" Exception raised for dom_string_create\n"); + return false; + } + + /* Get class attribute's value */ + exc = dom_element_get_attribute(node, class, &classvalue); + if (exc != DOM_NO_ERR) { + printf(" Exception raised for element_get_attribute\n"); + return false; + } else if (classvalue == NULL) { + /* Element has no class attribute */ + return true; + } + + /* Get attributes's string data */ + string = dom_string_data(classvalue); + length = dom_string_byte_length(classvalue); + + /* Print class info */ + printf(" class=\"%*s\"", (int)length, string); + + /* Finished with the classvalue dom_string */ + dom_string_unref(classvalue); + + return true; +} + + +/** + * Print a line in a DOM structure dump for an element + * + * \param node The node to dump + * \param depth The node's depth + * \return true on success, or false on error + */ +bool dump_dom_element(dom_node_internal *node, int depth) +{ + dom_exception exc; + dom_string *node_name = NULL; dom_node_type type; int i; const char *string; size_t length; - /* Should only have element nodes here */ - exc = dom_node_get_node_type(node, &type); - if (exc != DOM_NO_ERR) { - printf(" Exception raised for node_get_node_type\n"); - return false; - } - assert(type == DOM_ELEMENT_NODE); - - /* Create a dom_string constaining "class". */ - exc = dom_string_create(test_realloc, NULL, "class", 5, &class); - if (exc != DOM_NO_ERR) { - printf(" Exception raised for dom_string_create\n"); - return false; - } - - /* Get class attribute's value */ - exc = dom_element_get_attribute(node, class, &classvalue); - if (exc != DOM_NO_ERR) { - printf(" Exception raised for element_get_attribute\n"); - return false; - } else if (classvalue == NULL) { - /* Element has no class attribute */ - return true; - } - - /* Get attributes's lwc_string */ - exc = dom_string_get_intern(classvalue, &lwcstr); - if (exc != DOM_NO_ERR) { - printf(" Exception raised for string_get_intern\n"); - return false; - } else if (lwcstr == NULL) { - printf(" Broken: lwcstr == NULL\n"); - return false; - } - - /* Finished with the classvalue dom_string */ - dom_string_unref(classvalue); - - /* Get string data and print class info */ - string = lwc_string_data(lwcstr); - length = lwc_string_length(lwcstr); - printf(" class=\"%*s\"", length, string); - - /* Print the element's class, if it has one */ - dump_dom_element_class(node); - return true; -} - - -/** - * Print a line in a DOM structure dump for an element - * - * \param node The node to dump - * \param depth The node's depth - * \return true on success, or false on error - */ -bool dump_dom_element(dom_node_internal *node, int depth) -{ - dom_exception exc; - lwc_error err; - dom_string *node_name = NULL; - lwc_string *lwcstr = NULL; - dom_node_type type; - int i; - const char *string; - size_t length; - /* Only interested in element nodes */ exc = dom_node_get_node_type(node, &type); if (exc != DOM_NO_ERR) { @@ -242,16 +220,6 @@ printf("Broken: root_name == NULL\n"); return false; } - - /* Get element name's lwc_string */ - exc = dom_string_get_intern(node_name, &lwcstr); - if (exc != DOM_NO_ERR) { - printf("Exception raised for string_get_intern\n"); - return false; - } - - /* Finished with the node_name dom_string */ - dom_string_unref(node_name); /* Print ASCII tree structure for current node */ if (depth > 0) { @@ -262,12 +230,16 @@ } /* Get string data and print element name */ - string = lwc_string_data(lwcstr); - length = lwc_string_length(lwcstr); - printf("%*s", length, string); - - /* PENDING FIX: Print the element's class, if it has one */ + string = dom_string_data(node_name); + length = dom_string_byte_length(node_name); + printf("%*s", (int)length, string); + + /* Finished with the node_name dom_string */ + dom_string_unref(node_name); + + /* Print the element's class, if it has one */ if (dump_dom_element_class(node) == false) { + printf("\n"); return false; } @@ -329,16 +301,8 @@ int main(int argc, char **argv) { dom_exception exc; /* returned by libdom functions */ - lwc_error err; /* returned by libwapacplet functions */ dom_document *doc = NULL; /* document, loaded into libdom */ dom_node_internal *root = NULL; /* root element of document */ - - /* Initialise the DOM library */ - exc = dom_initialise(test_realloc, NULL); - if (exc != DOM_NO_ERR) { - printf("Failed to initialise DOM library.\n"); - return EXIT_FAILURE; - } /* Load up the input HTML file */ doc = create_doc_dom_from_file("files/test.html"); @@ -363,13 +327,6 @@ return EXIT_FAILURE; } - /* Finalise the DOM library */ - exc = dom_finalise(); - if (exc != DOM_NO_ERR) { - printf("Failed to finalise DOM library.\n"); - return EXIT_FAILURE; - } - /* Finished with the dom_document */ dom_node_unref(doc); Modified: trunk/libdom/examples/makefile URL: http://source.netsurf-browser.org/trunk/libdom/examples/makefile?rev=1332... ============================================================================== --- trunk/libdom/examples/makefile (original) +++ trunk/libdom/examples/makefile Thu Dec 22 04:22:51 2011 @@ -1,7 +1,7 @@ CC := gcc LD := gcc -CFLAGS := `pkg-config --cflags libdom` `pkg-config --cflags libwapcaplet` +CFLAGS := `pkg-config --cflags libdom` `pkg-config --cflags libwapcaplet` -Wall LDFLAGS := `pkg-config --libs libdom` `pkg-config --libs libwapcaplet` SRC := dom-structure-dump.c