Initial revision

1 files changed, 191 insertions, 0 deletions

diff --git a/src/cr-simple-sel.c b/src/cr-simple-sel.c
new file mode 100644
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--- /dev/null
+++ b/src/cr-simple-sel.c
@@ -0,0 +1,191 @@
+/* -*- Mode: C; indent-tabs-mode:nil; c-basic-offset: 8-*- */
+/*
+ *This file is part of The Croco Library
+ *
+ *The Croco Library is free software; 
+ *you can redistribute it and/or modify it under the terms of 
+ *the GNU General Public License as 
+ *published by the Free Software Foundation; either version 2, 
+ *or (at your option) any later version.
+ *
+ *GNU The Croco Library 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 General Public License along with The Croco Library; 
+ *see the file COPYING. If not, write to 
+ *the Free Software Foundation, Inc., 
+ *59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ *
+ *Copyright 2002-2003 Dodji Seketeli <dodji@seketeli.org>
+ */
+
+/*
+ *$Id$
+ */
+
+#include <string.h>
+#include <glib.h>
+#include "cr-simple-sel.h"
+
+
+/**
+ *The constructor of #CRSimpleSel.
+ *
+ *@return the new instance of #CRSimpleSel.
+ */
+CRSimpleSel *
+cr_simple_sel_new (void)
+{
+        CRSimpleSel *result = NULL ;
+
+        result = g_try_malloc (sizeof (CRSimpleSel)) ;
+        if (!result)
+        {
+                cr_utils_trace_info ("Out of memory") ;
+                return NULL ;
+        }
+        memset (result, 0, sizeof (CRSimpleSel)) ;
+
+        return result ;
+}
+
+/**
+ *Appends a simpe selector to the current list of simple selector.
+ *
+ *@param a_this the this pointer of the current instance of #CRSimpleSel.
+ *@param a_sel the simple selector to append.
+ *@return the new list upon successfull completion, an error code otherwise.
+ */
+CRSimpleSel *
+cr_simple_sel_append_simple_sel (CRSimpleSel *a_this, CRSimpleSel *a_sel)
+{
+        CRSimpleSel *cur = NULL ;
+
+        g_return_val_if_fail (a_sel, NULL) ;
+
+        if (a_this == NULL)
+                return a_sel ;
+
+        for (cur = a_this ; cur->next ; cur = cur->next) ;
+
+        cur->next = a_sel ;
+        a_sel->prev = cur ;
+
+        return a_this ;
+}
+
+/**
+ *Prepends a simple selector to the current list of simple selectors.
+ *@param a_this the this pointer of the current instance of #CRSimpleSel.
+ *@param a_sel the simple selector to prepend.
+ *@return the new list upon successfull completion, an error code otherwise.
+ */
+CRSimpleSel *
+cr_simple_sel_prepend_simple_sel (CRSimpleSel *a_this, CRSimpleSel *a_sel)
+{
+        g_return_val_if_fail (a_sel, NULL) ;
+
+        if (a_this == NULL)
+                return a_sel ;
+
+        a_sel->next = a_this ;
+        a_this->prev = a_sel ;
+
+        return a_sel ;
+}
+
+
+/**
+ *Dumps the selector to a file.
+ *TODO: add the support of unicode in the dump.
+ *
+ *@param a_this the current instance of #CRSimpleSel.
+ *@param a_fp the destination file pointer.
+ *@return CR_OK upon successfull completion, an error code
+ *otherwise.
+ */
+enum CRStatus
+cr_simple_sel_dump (CRSimpleSel *a_this, FILE *a_fp)
+{
+        CRSimpleSel *cur = NULL ;
+
+        g_return_val_if_fail (a_this, CR_BAD_PARAM_ERROR) ;
+
+        for (cur = a_this ; cur ; cur = cur->next)
+        {
+                if (cur->name)
+                {
+                        guchar * str = g_strndup (cur->name->str, 
+                                                   cur->name->len) ;
+                        if (str)
+                        {
+                                switch (cur->combinator)
+                                {
+                                case COMB_WS:
+                                        fprintf (a_fp," ") ;
+                                        break ;
+                                case COMB_PLUS:
+                                        fprintf (a_fp,"+") ;
+                                        break ;
+                                case COMB_GT:
+                                        fprintf (a_fp,">") ;
+                                        break ;
+                                default:
+                                        break ;
+                                }
+                       
+                                fprintf (a_fp,str) ;
+
+                                g_free (str) ;
+                                str = NULL ;
+                        }                        
+                }
+
+                if (cur->add_sel)
+                {
+                        cr_additional_sel_dump (cur->add_sel, a_fp) ;
+                }
+        }
+
+        return CR_OK ;
+}
+
+
+/**
+ *The destructor of the current instance of
+ *#CRSimpleSel.
+ *@param a_this the this pointer of the current instance of #CRSimpleSel.
+ *
+ */
+void
+cr_simple_sel_destroy (CRSimpleSel *a_this)
+{
+        g_return_if_fail (a_this) ;
+
+        if (a_this->name)
+        {
+                g_string_free (a_this->name, TRUE) ;
+                a_this->name = NULL ;
+        }
+
+        if (a_this->add_sel)
+        {
+                cr_additional_sel_destroy (a_this->add_sel) ;
+                a_this->add_sel = NULL ;
+        }
+
+        if (a_this->next)
+        {
+                cr_simple_sel_destroy (a_this->next) ;
+        }
+
+        if (a_this)
+        {
+                g_free (a_this) ;
+        }
+}
+