/* -*- Mode: C; indent-tabs-mode: nil; c-basic-offset: 8 -*- */

/*
 * This file is part of The Croco Library
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of version 2.1 of the GNU Lesser General Public
 * License as published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
 * USA
 *
 * Author: Dodji Seketeli
 * See COPYRIGHTS file for copyrights information.
 */


#include "cr-test-utils.h"
#include "libcroco.h"

/**
 *@file
 *Some test facilities for the #CROMParser class.
 */

CRDocHandler *gv_test_handler = { 0 };

const guchar *gv_term_buf = (const guchar *) "106";

const guchar *gv_decl_buf = (const guchar *) "toto: tutu, tata";

const guchar *gv_decl_list_buf = (const guchar *) "toto: titi; prop1:val1 ; prop2:val2;";

const guchar *gv_ruleset_buf = (const guchar *) "s1 > s2 {toto: tutu, tata} ";

const guchar *gv_at_media_buf =
        (const guchar *) "@media print, toto {" "  BODY { font-size: 10pt }" "  }";

const guchar *gv_at_page_buf = (const guchar *) "@page { size :8.5in 11in; margin: 2cm }";

const guchar *gv_at_charset_buf = (const guchar *) "@charset \"ISO-8859-1\" ; ";

const guchar *gv_at_font_face_buf =
        (const guchar *) "@font-face {"
        " font-family: \"Robson Celtic\";"
        " src: url(\"http://site/fonts/rob-celt\")" "}";

const guchar *gv_at_import_buf = (const guchar *) "@import \"subs.css\";";

static void display_help (char *prg_name);

static  void display_about (char *prg_name);

static enum  CRStatus test_cr_parser_parse (guchar * a_file_uri);

/**
 *Displays the usage of the test
 *facility.
 *@param a_argc the argc variable passed to the main function.
 *@param a_argv the argv variable passed to the main function.
 */
static void
display_help (char *prg_name)
{
        g_print ("\n\n");
        g_print ("usage: %s <file-to-parse>\n", prg_name);
        g_print ("\t <file-to-parse>: the file to parse\n");
        g_print ("\n\n");
        g_print ("Tests the cr_parser_parse () method.\n");
        g_print ("Tests the parsing following the css core syntax\n");
        g_print ("Returns OK if the status is CR_OK, KO otherwise\n");
        g_print ("\n\n");
}

/**
 *Displays the about text.
 *@param a_argc the argc variable passed to the main function.
 *@param a_argv the argv variable passed to the main function.
 */
static void
display_about (char *prg_name)
{
        g_print ("\n\n");
        g_print ("%s is a libcroco CROMParser class test program.\n",
                 prg_name);
        g_print ("%s Parses a file and builds a CSS object model", prg_name);
        g_print ("It should run on GNU compliants systems.\n");
        g_print ("\n\n");
        g_print ("Initial author: Dodji Seketeli <dodji@seketeli.org>.\n");
        g_print ("\n\n");
}

/**
 *The test of the cr_input_read_byte() method.
 *Reads the each byte of a_file_uri using the
 *cr_input_read_byte() method. Each byte is send to
 *stdout.
 *@param a_file_uri the file to read.
 *@return CR_OK upon successfull completion of the
 *function, an error code otherwise.
 */
static enum CRStatus
test_cr_parser_parse (guchar * a_file_uri)
{
        enum CRStatus status = CR_OK;
        CROMParser *parser = NULL;
        CRStyleSheet *stylesheet = NULL;

        g_return_val_if_fail (a_file_uri, CR_BAD_PARAM_ERROR);

        parser = cr_om_parser_new (NULL);
        status = cr_om_parser_parse_file (parser, a_file_uri, CR_ASCII,
                                          &stylesheet);
        if (status == CR_OK && stylesheet) {
                cr_stylesheet_dump (stylesheet, stdout);
                cr_stylesheet_destroy (stylesheet);
        }
        cr_om_parser_destroy (parser);

        return status;
}

static enum CRStatus
test_cr_statement_at_page_rule_parse_from_buf (void)
{
        CRStatement *stmt = NULL ;
        
        stmt = cr_statement_at_page_rule_parse_from_buf 
                (gv_at_page_buf, CR_UTF_8) ;
        if (!stmt) {
                return CR_ERROR ;                
        }
        cr_statement_destroy (stmt) ;        
        return CR_OK ;
}

static enum CRStatus
test_cr_term_parse_expression_from_buf (void)
{
        guchar *tmp_str = NULL;
        CRTerm *term = NULL;

        term = cr_term_parse_expression_from_buf (gv_term_buf, CR_UTF_8);

        if (!term)
                return CR_ERROR;
        tmp_str = cr_term_to_string (term);
        if (term) {
                cr_term_destroy (term);
                term = NULL;
        }
        if (tmp_str) {
                g_free (tmp_str);
                tmp_str = NULL;
        }
        return CR_OK;
}

static enum CRStatus
test_cr_declaration_parse (void)
{
        gchar *tmp_str = NULL;
        CRDeclaration *decl = NULL;

        decl = cr_declaration_parse_from_buf (NULL, gv_decl_buf, CR_UTF_8);
        if (!decl)
                return CR_ERROR;
        tmp_str = cr_declaration_to_string (decl, 2);

        if (decl) {
                cr_declaration_destroy (decl);
        }

        if (tmp_str) {
                g_free (tmp_str);
                tmp_str = NULL;
        }

        return CR_OK;
}

static enum CRStatus
test_cr_declaration_parse_list (void)
{
        GString *str = NULL;
        gchar *tmp_str = NULL;
        CRDeclaration *decl = NULL,
                *cur_decl = NULL;

        decl = cr_declaration_parse_list_from_buf (gv_decl_list_buf,
                                                   CR_UTF_8);
        if (!decl)
                return CR_ERROR;
        str = g_string_new (NULL);
        for (cur_decl = decl; cur_decl; cur_decl = cur_decl->next) {
                tmp_str = cr_declaration_to_string (cur_decl, 2);
                if (tmp_str) {
                        g_string_append_printf (str, "%s;", tmp_str);
                        g_free (tmp_str);
                        tmp_str = NULL;
                }

        }
        if (decl) {
                cr_declaration_destroy (decl);
        }

        if (str) {
                g_string_free (str, TRUE);
                str = NULL;
        }

        return CR_OK;
}

static enum CRStatus
test_cr_statement_ruleset_parse (void)
{
        CRStatement *stmt = NULL;

        stmt = cr_statement_ruleset_parse_from_buf (gv_ruleset_buf, CR_UTF_8);
        g_return_val_if_fail (stmt, CR_ERROR);

        if (stmt) {
                cr_statement_destroy (stmt);
                stmt = NULL;
        }
        return CR_OK;
}

static enum CRStatus
test_cr_statement_at_media_rule_parse (void)
{
        CRStatement *stmt = NULL;

        stmt = cr_statement_at_media_rule_parse_from_buf (gv_at_media_buf,
                                                          CR_UTF_8);
        g_return_val_if_fail (stmt, CR_ERROR);

        if (stmt) {
                cr_statement_destroy (stmt);
                stmt = NULL;
        }

        return CR_OK;
}


static enum CRStatus
test_cr_statement_at_charset_rule_parse (void)
{
        CRStatement *stmt = NULL;

        stmt = cr_statement_at_charset_rule_parse_from_buf (gv_at_charset_buf,
                                                            CR_UTF_8);
        g_return_val_if_fail (stmt, CR_ERROR);
        if (stmt) {
                cr_statement_destroy (stmt);
                stmt = NULL;
        }

        return CR_OK;
}

static enum CRStatus
test_cr_statement_font_face_rule_parse_from_buf (void)
{
        CRStatement *stmt = NULL;

        stmt = cr_statement_font_face_rule_parse_from_buf
                (gv_at_font_face_buf, CR_UTF_8);
        g_return_val_if_fail (stmt, CR_ERROR);
        if (stmt) {
                cr_statement_destroy (stmt);
                stmt = NULL;
        }

        return CR_OK;
}

static enum CRStatus
test_cr_statement_at_import_rule_parse_from_buf (void)
{
        CRStatement *stmt = NULL;

        stmt = cr_statement_at_import_rule_parse_from_buf (gv_at_import_buf,
                                                           CR_UTF_8);
        g_return_val_if_fail (stmt, CR_ERROR);
        if (stmt) {
                cr_statement_destroy (stmt);
                stmt = NULL;
        }

        return CR_OK;
}

static enum CRStatus
test_cr_statement_parse_from_buf (void)
{
        CRStatement *stmt = NULL;

        stmt = cr_statement_parse_from_buf (gv_ruleset_buf, CR_UTF_8);
        if (stmt) {
                cr_statement_destroy (stmt);
                stmt = NULL;
        } else {
                return CR_ERROR;
        }
        stmt = cr_statement_parse_from_buf (gv_at_media_buf, CR_UTF_8);
        if (stmt) {
                cr_statement_destroy (stmt);
                stmt = NULL;
        } else {
                return CR_ERROR;
        }
        stmt = cr_statement_parse_from_buf (gv_at_page_buf, CR_UTF_8);
        if (stmt) {
                cr_statement_destroy (stmt);
                stmt = NULL;
        } else {
                return CR_ERROR;
        }
        stmt = cr_statement_parse_from_buf (gv_at_charset_buf, CR_UTF_8);
        if (stmt) {
                cr_statement_destroy (stmt);
                stmt = NULL;
        } else {
                return CR_ERROR;
        }
        stmt = cr_statement_parse_from_buf (gv_at_font_face_buf, CR_UTF_8);
        if (stmt) {
                cr_statement_destroy (stmt);
                stmt = NULL;
        } else {
                return CR_ERROR;
        }
        stmt = cr_statement_parse_from_buf (gv_at_import_buf, CR_UTF_8);
        if (stmt) {
                cr_statement_destroy (stmt);
                stmt = NULL;
        } else {
                return CR_ERROR;
        }

        return CR_OK;
}

/**
 *The entry point of the testing routine.
 */
int
main (int argc, char **argv)
{
        struct Options options;
        enum CRStatus status = CR_OK;

        status = test_cr_term_parse_expression_from_buf ();
        if (status != CR_OK) {
                g_print ("\ntest \"cr_term_parse_expression_from_buf failed\"");
        }
        status = test_cr_declaration_parse ();
        if (status != CR_OK) {
                g_print ("\n test \"cr_declaration_parse() failed\"\n");
        }

        status = test_cr_declaration_parse_list ();
        if (status != CR_OK) {
                g_print ("\ntest cr_declaration_parse_list() failed\n");
        }
        status = test_cr_statement_ruleset_parse ();
        if (status != CR_OK) {
                g_print ("\ntest cr_statement_ruleset_parse() failed\n");
        }

        status = test_cr_statement_at_media_rule_parse ();
        if (status != CR_OK) {
                g_print ("\ntest cr_statement_at_media_rule_parse() failed\n");
        }
        test_cr_statement_at_page_rule_parse_from_buf ();
        if (status != CR_OK) {
                g_print ("\ntest cr_statement_at_page_rule_parse() failed\n");
                return 0;
        }

        status = test_cr_statement_at_charset_rule_parse ();
        if (status != CR_OK) {
                g_print ("\ntest cr_statement_at_charset_rule_parse() failed\n");
        }

        status = test_cr_statement_font_face_rule_parse_from_buf ();
        if (status != CR_OK) {
                g_print ("\ntest cr_statement_font_face_rule_parse_from_buf() failed\n");
        }

        test_cr_statement_at_import_rule_parse_from_buf ();
        if (status != CR_OK) {
                g_print ("\ntest cr_statement_at_import_rule() failed\n");
        }

        status = test_cr_statement_parse_from_buf ();
        if (status != CR_OK) {
                g_print ("\ntest cr_statement_parse_from_buf() failed\n");
        }

        cr_test_utils_parse_cmd_line (argc, argv, &options);

        if (options.display_help == TRUE) {
                display_help (argv[0]);
                return 0;
        }

        if (options.display_about == TRUE) {
                display_about (argv[0]);
                return 0;
        }

        if (options.files_list == NULL) {
                display_help (argv[0]);
                return 0;
        }

        status = test_cr_parser_parse ((guchar *) options.files_list[0]);
        if (status != CR_OK) {
                g_print ("\nKO\n");
        }

        return 0;
}
