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-rw-r--r--src/st/croco/cr-parsing-location.c172
1 files changed, 172 insertions, 0 deletions
diff --git a/src/st/croco/cr-parsing-location.c b/src/st/croco/cr-parsing-location.c
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+++ b/src/st/croco/cr-parsing-location.c
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+/* -*- 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 the COPYRIGHTS file for copyright information.
+ */
+
+#include <string.h>
+#include "cr-parsing-location.h"
+
+/**
+ *@CRParsingLocation:
+ *
+ *Definition of the #CRparsingLocation class.
+ */
+
+
+/**
+ * cr_parsing_location_new:
+ *Instantiates a new parsing location.
+ *
+ *Returns the newly instantiated #CRParsingLocation.
+ *Must be freed by cr_parsing_location_destroy()
+ */
+CRParsingLocation *
+cr_parsing_location_new (void)
+{
+ CRParsingLocation * result = NULL ;
+
+ result = g_try_malloc (sizeof (CRParsingLocation)) ;
+ if (!result) {
+ cr_utils_trace_info ("Out of memory error") ;
+ return NULL ;
+ }
+ cr_parsing_location_init (result) ;
+ return result ;
+}
+
+/**
+ * cr_parsing_location_init:
+ *@a_this: the current instance of #CRParsingLocation.
+ *
+ *Initializes the an instance of #CRparsingLocation.
+ *
+ *Returns CR_OK upon successful completion, an error code otherwise.
+ */
+enum CRStatus
+cr_parsing_location_init (CRParsingLocation *a_this)
+{
+ g_return_val_if_fail (a_this, CR_BAD_PARAM_ERROR) ;
+
+ memset (a_this, 0, sizeof (CRParsingLocation)) ;
+ return CR_OK ;
+}
+
+/**
+ * cr_parsing_location_copy:
+ *@a_to: the destination of the copy.
+ *Must be allocated by the caller.
+ *@a_from: the source of the copy.
+ *
+ *Copies an instance of CRParsingLocation into another one.
+ *
+ *Returns CR_OK upon successful completion, an error code
+ *otherwise.
+ */
+enum CRStatus
+cr_parsing_location_copy (CRParsingLocation *a_to,
+ CRParsingLocation const *a_from)
+{
+ g_return_val_if_fail (a_to && a_from, CR_BAD_PARAM_ERROR) ;
+
+ memcpy (a_to, a_from, sizeof (CRParsingLocation)) ;
+ return CR_OK ;
+}
+
+/**
+ * cr_parsing_location_to_string:
+ *@a_this: the current instance of #CRParsingLocation.
+ *@a_mask: a bitmap that defines which parts of the
+ *parsing location are to be serialized (line, column or byte offset)
+ *
+ *Returns the serialized string or NULL in case of an error.
+ */
+gchar *
+cr_parsing_location_to_string (CRParsingLocation const *a_this,
+ enum CRParsingLocationSerialisationMask a_mask)
+{
+ GString *result = NULL ;
+ gchar *str = NULL ;
+
+ g_return_val_if_fail (a_this, NULL) ;
+
+ if (!a_mask) {
+ a_mask = DUMP_LINE | DUMP_COLUMN | DUMP_BYTE_OFFSET ;
+ }
+ result =g_string_new (NULL) ;
+ if (!result)
+ return NULL ;
+ if (a_mask & DUMP_LINE) {
+ g_string_append_printf (result, "line:%d ",
+ a_this->line) ;
+ }
+ if (a_mask & DUMP_COLUMN) {
+ g_string_append_printf (result, "column:%d ",
+ a_this->column) ;
+ }
+ if (a_mask & DUMP_BYTE_OFFSET) {
+ g_string_append_printf (result, "byte offset:%d ",
+ a_this->byte_offset) ;
+ }
+ if (result->len) {
+ str = result->str ;
+ g_string_free (result, FALSE) ;
+ } else {
+ g_string_free (result, TRUE) ;
+ }
+ return str ;
+}
+
+/**
+ * cr_parsing_location_dump:
+ * @a_this: current instance of #CRParsingLocation
+ * @a_mask: the serialization mask.
+ * @a_fp: the file pointer to dump the parsing location to.
+ */
+void
+cr_parsing_location_dump (CRParsingLocation const *a_this,
+ enum CRParsingLocationSerialisationMask a_mask,
+ FILE *a_fp)
+{
+ gchar *str = NULL ;
+
+ g_return_if_fail (a_this && a_fp) ;
+ str = cr_parsing_location_to_string (a_this, a_mask) ;
+ if (str) {
+ fprintf (a_fp, "%s", str) ;
+ g_free (str) ;
+ str = NULL ;
+ }
+}
+
+/**
+ * cr_parsing_location_destroy:
+ *@a_this: the current instance of #CRParsingLocation. Must
+ *have been allocated with cr_parsing_location_new().
+ *
+ *Destroys the current instance of #CRParsingLocation
+ */
+void
+cr_parsing_location_destroy (CRParsingLocation *a_this)
+{
+ g_return_if_fail (a_this) ;
+ g_free (a_this) ;
+}
+