--- /dev/null
+/* This file is part of the Linux Trace Toolkit viewer
+ * Copyright (C) 2003-2004 Xiangxiu Yang
+ * 2005 Mathieu Desnoyers
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License Version 2.1 as published by the Free Software Foundation.
+ *
+ * This 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <stdio.h>
+#include <glib.h>
+
+#include "parser.h"
+#include <ltt/ltt.h>
+#include "ltt-private.h"
+#include <ltt/type.h>
+
+static unsigned intSizes[] = {
+ sizeof(int8_t), sizeof(int16_t), sizeof(int32_t), sizeof(int64_t),
+ sizeof(short) };
+
+typedef enum _intSizesNames { SIZE_INT8, SIZE_INT16, SIZE_INT32,
+ SIZE_INT64, SIZE_SHORT, INT_SIZES_NUMBER }
+ intSizesNames;
+
+
+static unsigned floatSizes[] = {
+ 0, 0, sizeof(float), sizeof(double), 0, sizeof(float), sizeof(double) };
+
+#define FLOAT_SIZES_NUMBER 7
+
+
+/*****************************************************************************
+ *Function name
+ * ltt_eventtype_name : get the name of the event type
+ *Input params
+ * et : an event type
+ *Return value
+ * GQuark : the name of the event type
+ ****************************************************************************/
+
+GQuark ltt_eventtype_name(LttEventType *et)
+{
+ return et->name;
+}
+
+/*****************************************************************************
+ *Function name
+ * ltt_eventtype_description : get the description of the event type
+ *Input params
+ * et : an event type
+ *Return value
+ * char * : the description of the event type
+ ****************************************************************************/
+
+gchar *ltt_eventtype_description(LttEventType *et)
+{
+ return et->description;
+}
+
+/*****************************************************************************
+ *Function name
+ * ltt_eventtype_facility : get the facility which contains the event type
+ *Input params
+ * et : an event type
+ *Return value
+ * LttFacility * : the facility
+ ****************************************************************************/
+
+LttFacility *ltt_eventtype_facility(LttEventType *et)
+{
+ return et->facility;
+}
+
+/*****************************************************************************
+ *Function name
+ * ltt_eventtype_id : get the id of the event type
+ *Input params
+ * et : an event type
+ *Return value
+ * unsigned : the id
+ ****************************************************************************/
+
+guint8 ltt_eventtype_id(LttEventType *et)
+{
+ return et->index;
+}
+
+/*****************************************************************************
+ *Function name
+ * ltt_field_name : get the name of the field
+ *Input params
+ * f : a field
+ *Return value
+ * char * : the name of the type
+ ****************************************************************************/
+
+GQuark ltt_field_name(LttField *f)
+{
+ return f->name;
+}
+/*****************************************************************************
+ *Function name
+ * ltt_type_class : get the type class of the type
+ *Input params
+ * t : a type
+ *Return value
+ * LttTypeEnum : the type class of the type
+ ****************************************************************************/
+
+LttTypeEnum ltt_type_class(LttType *t)
+{
+ return t->type_class;
+}
+
+/*****************************************************************************
+ *Function name
+ * ltt_type_size : obtain the type size. The size is the number of bytes
+ * for primitive types (INT, UINT, FLOAT, ENUM)
+ * or the size for the unsigned integer length count for
+ * sequences
+ *Input params
+ * tf : trace file
+ * t : a type
+ *Return value
+ * : the type size
+ * returns 0 if erroneous, and show a critical warning message.
+ ****************************************************************************/
+
+guint ltt_type_size(LttTrace * trace, LttType *t)
+{
+ guint size;
+
+ switch(t->type_class) {
+ case LTT_INT_FIXED:
+ case LTT_UINT_FIXED:
+ case LTT_CHAR:
+ case LTT_UCHAR:
+ case LTT_SHORT:
+ case LTT_USHORT:
+ case LTT_INT:
+ case LTT_UINT:
+ case LTT_ENUM:
+ if(likely(t->size < INT_SIZES_NUMBER))
+ size = intSizes[t->size];
+ else
+ goto error;
+ break;
+ case LTT_FLOAT:
+ if(likely(t->size < FLOAT_SIZES_NUMBER))
+ size = floatSizes[t->size];
+ else
+ goto error;
+ break;
+ case LTT_POINTER:
+ case LTT_LONG:
+ case LTT_ULONG:
+ case LTT_SIZE_T:
+ case LTT_SSIZE_T:
+ case LTT_SEQUENCE:
+ case LTT_OFF_T:
+ case LTT_STRING:
+ case LTT_ARRAY:
+ case LTT_STRUCT:
+ case LTT_UNION:
+ case LTT_NONE:
+ goto error;
+ break;
+ }
+
+ return size;
+
+
+error:
+ g_warning("no size known for the type");
+ return 0;
+}
+
+/*****************************************************************************
+ *Function name
+ * ltt_type_element_type : obtain the type of nested elements for arrays
+ * and sequences
+ *Input params
+ * t : a type
+ *Return value
+ * LttType : the type of nested element of array or sequence
+ ****************************************************************************/
+
+LttType *ltt_type_element_type(LttType *t)
+{
+ LttType *element_type;
+ LttField *field;
+
+ if(unlikely(t->type_class != LTT_ARRAY && t->type_class != LTT_SEQUENCE))
+ element_type = NULL;
+ else {
+ if(t->type_class == LTT_ARRAY)
+ field = &g_array_index(t->fields, LttField, 0);
+ else
+ field = &g_array_index(t->fields, LttField, 1);
+ element_type = ltt_field_type(field);
+ }
+
+ return element_type;
+}
+
+/*****************************************************************************
+ *Function name
+ * ltt_type_element_number : obtain the number of elements for enums
+ *Input params
+ * t : a type
+ *Return value
+ * unsigned : the number of elements for arrays
+ ****************************************************************************/
+unsigned ltt_type_element_number(LttType *t)
+{
+ unsigned ret = 0;
+
+ if(likely(t->type_class == LTT_ENUM))
+ ret = g_hash_table_size(t->enum_map);
+
+ return ret;
+}
+
+/*****************************************************************************
+ *Function name
+ * ltt_type_member_number : obtain the number of data members for structure
+ *Input params
+ * t : a type
+ *Return value
+ * unsigned : the number of members for structure
+ ****************************************************************************/
+
+unsigned ltt_type_member_number(LttType *t)
+{
+ unsigned ret = 0;
+
+ if(likely(t->type_class == LTT_STRUCT || t->type_class == LTT_UNION))
+ ret = t->fields->len;
+
+ return ret;
+}
+
+
+/*****************************************************************************
+ *Function name
+ * ltt_enum_string_get : for enumerations, obtain the symbolic string
+ * associated with a value (0 to n - 1 for an
+ * enumeration of n elements)
+ *Input params
+ * t : a type
+ * i : index of the member
+ *Return value
+ * char * : symbolic string associated with a value
+ ****************************************************************************/
+
+GQuark ltt_enum_string_get(LttType *t, gulong i)
+{
+ if(likely(t->type_class == LTT_ENUM))
+ return (GQuark)g_hash_table_lookup(t->enum_map, (gpointer)i);
+ else
+ return 0;
+}
+#if 0
+/*****************************************************************************
+ *Function name
+ * ltt_field_element : obtain the field of nested elements for arrays and
+ * sequence
+ *Input params
+ * f : a field
+ *Return value
+ * LttField * : the field of the nested element
+ ****************************************************************************/
+
+LttField *ltt_field_element(LttField *f)
+{
+ LttField *nest = NULL;
+
+ if(likely(f->field_type->type_class == LTT_ARRAY ||
+ f->field_type->type_class == LTT_SEQUENCE))
+ nest = f->child[0];
+
+ return nest;
+}
+#endif//0
+
+/*****************************************************************************
+ *Function name
+ * ltt_field_member_by_name : obtain the field of data members for structure
+ *Input params
+ * f : a field
+ * name : name of the field
+ *Return value
+ * LttField * : the field of the nested element
+ ****************************************************************************/
+
+LttField *ltt_field_member_by_name(LttField *f, GQuark name)
+{
+ LttField *field_member;
+
+ g_assert(f->field_type.type_class == LTT_STRUCT ||
+ f->field_type.type_class == LTT_UNION);
+
+ field_member = g_datalist_id_get_data(&f->field_type.fields_by_name, name);
+
+ return field_member;
+}
+
+
+/*****************************************************************************
+ *Function name
+ * ltt_field_member : obtain the field of data members for structure
+ *Input params
+ * f : a field
+ * i : index of member field
+ *Return value
+ * LttField * : the field of the nested element
+ ****************************************************************************/
+
+LttField *ltt_field_member(LttField *f, guint i)
+{
+ LttField *field_member;
+
+ g_assert(f->field_type.type_class == LTT_STRUCT ||
+ f->field_type.type_class == LTT_UNION);
+ g_assert(i < f->field_type.fields->len);
+
+ field_member = &g_array_index(f->field_type.fields, LttField, i);
+
+ return field_member;
+}
+
+/*****************************************************************************
+ *Function name
+ * ltt_field_type : obtain the type of the field
+ *Input params
+ * f : a field
+ *Return value
+ * ltt_tyoe * : the type of field
+ ****************************************************************************/
+
+LttType *ltt_field_type(LttField *f)
+{
+ if(unlikely(!f))return NULL;
+ return &f->field_type;
+}
+
+int ltt_field_size(LttField * f)
+{
+ if(unlikely(!f))return 0;
+ return f->field_size;
+}
+
+
+/*****************************************************************************
+ *Function name
+ * ltt_eventtype_num_fields : get the number of fields of the event
+ *Input params
+ * e : an instance of an event type
+ *Return value
+ * guint : number of fields
+ ****************************************************************************/
+
+guint ltt_eventtype_num_fields(LttEventType *event_type)
+{
+ if(unlikely(!event_type)) return 0;
+
+ return event_type->fields->len;
+
+}
+/*****************************************************************************
+ *Function name
+ * ltt_eventtype_field : get the i th field of the event
+ *Input params
+ * e : an instance of an event type
+ * i : field index
+ *Return value
+ * LttField * : The requested field, or NULL
+ ****************************************************************************/
+
+LttField *ltt_eventtype_field(LttEventType *event_type, guint i)
+{
+ if(unlikely(!event_type)) return NULL;
+
+ if(i >= event_type->fields->len) return NULL;
+
+ return &g_array_index(event_type->fields, LttField, i);
+
+}
+
+/*****************************************************************************
+ *Function name
+ * ltt_eventtype_field_by_name : get a field of the event
+ *Input params
+ * e : an instance of an event type
+ * name : field name
+ *Return value
+ * LttField * : The requested field, or NULL
+ ****************************************************************************/
+
+LttField *ltt_eventtype_field_by_name(LttEventType *event_type, GQuark name)
+{
+ if(unlikely(!event_type)) return NULL;
+
+ return (LttField*)g_datalist_id_get_data(&event_type->fields_by_name, name);
+
+}
+
+
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