Scope path: split dynamic scope path
[babeltrace.git] / types / string.c
CommitLineData
bed864a7 1/*
ccd7e1c8 2 * string.c
bed864a7 3 *
ccd7e1c8 4 * BabelTrace - String Type Converter
bed864a7 5 *
c054553d 6 * Copyright 2010, 2011 - Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
bed864a7 7 *
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8 * Permission is hereby granted, free of charge, to any person obtaining a copy
9 * of this software and associated documentation files (the "Software"), to deal
10 * in the Software without restriction, including without limitation the rights
11 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
12 * copies of the Software, and to permit persons to whom the Software is
13 * furnished to do so, subject to the following conditions:
bed864a7 14 *
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15 * The above copyright notice and this permission notice shall be included in
16 * all copies or substantial portions of the Software.
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17 */
18
19#include <babeltrace/compiler.h>
20#include <babeltrace/align.h>
4c8bfb7e 21#include <babeltrace/format.h>
bed864a7 22
c054553d 23static
f6625916 24struct definition *_string_definition_new(struct declaration *declaration,
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25 struct definition_scope *parent_scope,
26 GQuark field_name, int index);
c054553d 27static
e1151715 28void _string_definition_free(struct definition *definition);
c054553d 29
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30void string_copy(struct stream_pos *dest, const struct format *fdest,
31 struct stream_pos *src, const struct format *fsrc,
e1151715 32 struct definition *definition)
bed864a7 33{
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34 struct definition_string *string =
35 container_of(definition, struct definition_string, p);
f6625916 36 struct declaration_string *string_declaration = string->declaration;
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37
38 if (fsrc->string_copy == fdest->string_copy) {
f6625916 39 fsrc->string_copy(dest, src, string_declaration);
bed864a7 40 } else {
47e0f2e2 41 char *tmp = NULL;
a52d7f6a 42
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43 fsrc->string_read(&tmp, src, string_declaration);
44 fdest->string_write(dest, tmp, string_declaration);
a52d7f6a 45 fsrc->string_free_temp(tmp);
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46 }
47}
48
c054553d 49static
f6625916 50void _string_declaration_free(struct declaration *declaration)
bed864a7 51{
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52 struct declaration_string *string_declaration =
53 container_of(declaration, struct declaration_string, p);
54 g_free(string_declaration);
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55}
56
f6625916 57struct declaration_string *string_declaration_new(const char *name)
bed864a7 58{
f6625916 59 struct declaration_string *string_declaration;
bed864a7 60
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61 string_declaration = g_new(struct declaration_string, 1);
62 string_declaration->p.id = CTF_TYPE_STRING;
63 string_declaration->p.name = g_quark_from_string(name);
64 string_declaration->p.alignment = CHAR_BIT;
65 string_declaration->p.copy = string_copy;
66 string_declaration->p.declaration_free = _string_declaration_free;
67 string_declaration->p.definition_new = _string_definition_new;
68 string_declaration->p.definition_free = _string_definition_free;
69 string_declaration->p.ref = 1;
70 return string_declaration;
bed864a7 71}
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72
73static
e1151715 74struct definition *
f6625916 75 _string_definition_new(struct declaration *declaration,
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76 struct definition_scope *parent_scope,
77 GQuark field_name, int index)
c054553d 78{
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79 struct declaration_string *string_declaration =
80 container_of(declaration, struct declaration_string, p);
e1151715 81 struct definition_string *string;
c054553d 82
e1151715 83 string = g_new(struct definition_string, 1);
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84 declaration_ref(&string_declaration->p);
85 string->p.declaration = declaration;
86 string->declaration = string_declaration;
c054553d 87 string->p.ref = 1;
05c749e5 88 string->p.index = index;
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89 string->value = NULL;
90 return &string->p;
91}
92
93static
e1151715 94void _string_definition_free(struct definition *definition)
c054553d 95{
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96 struct definition_string *string =
97 container_of(definition, struct definition_string, p);
c054553d 98
f6625916 99 declaration_unref(string->p.declaration);
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100 g_free(string->value);
101 g_free(string);
102}
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