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author | Emmanuele Bassi <ebassi@openedhand.com> | 2007-09-20 17:33:28 +0100 |
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committer | Emmanuele Bassi <ebassi@openedhand.com> | 2007-09-20 20:35:49 +0100 |
commit | c5bfb22f964b8f1feecdc8fb29d8a74b36861d32 (patch) | |
tree | 15f05b52f97eaf01d11ea0046f8b12b982060209 | |
download | json-glib-c5bfb22f964b8f1feecdc8fb29d8a74b36861d32.tar.gz |
Initial import of JSON-GLib
JSON-GLib is a JSON parser library written with GLib and GObject.
JSON is the JavaScript Object Notation, and it's used to define objects
and object hierarchies in a human-readable way.
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The ChangeLog is autogenerated when + creating the release. If you are seeing this, use git-log + for viewing the list of changes. + diff --git a/Makefile.am b/Makefile.am new file mode 100644 index 0000000..98f0280 --- /dev/null +++ b/Makefile.am @@ -0,0 +1,15 @@ +SUBDIRS = json-glib doc tests + +pcfiles = json-glib-1.0.pc + +%-1.0.pc: %.pc + @cp -f $< $@ + +pkgconfig_DATA = $(pcfiles) +pkgconfigdir = $(libdir)/pkgconfig + +EXTRA_DIST = json-glib.pc.in + +CLEANFILES = $(pcfiles) + +DISTCHECK_CONFIGURE_FLAGS = --enable-gtk --enable-maintainer-flags @@ -0,0 +1,39 @@ +JSON-GLib - A JSON parser for GLib-based libraries and applications +=================================================================== + +JSON-GLib implements a full JSON parser using GLib and GObject. + +JSON is the JavaScript Object Notation; it can be used to represent +objects and object hierarchies while retaining human-readability. + +GLib is a C library providing common and efficient data types for +the C developers. + +GObject is a library providing a run-time Object Oriented type system +for C developers. GLib and GObject are extensively used by the GTK+ +toolkit and by the GNOME project. + +For more information, see: + * JSON: http://www.json.org + * GLib and GObject: http://www.gtk.org + +REQUIREMENTS +------------ +In order to build JSON-GLib you will need: + + * pkg-config + * gtk-doc >= 1.8 + * GLib >= 2.14 + +INSTALLATION +------------ +To build JSON-GLib just run: + + $ ./configure + $ make all + # make install + +AUTHOR +------ +JSON-GLib has been written by Emmanuele Bassi +Copyright (C) 2007 OpenedHand Ltd. diff --git a/autogen.sh b/autogen.sh new file mode 100755 index 0000000..13224af --- /dev/null +++ b/autogen.sh @@ -0,0 +1,4 @@ +#! /bin/sh +gtkdocize || exit 1 +autoreconf -v --install || exit 1 +./configure "$@" diff --git a/configure.ac b/configure.ac new file mode 100644 index 0000000..50ea8ac --- /dev/null +++ b/configure.ac @@ -0,0 +1,119 @@ +m4_define([json_major_version], [0]) +m4_define([json_minor_version], [1]) +m4_define([json_micro_version], [0]) + +m4_define([json_version], + [json_major_version.json_minor_version.json_micro_version]) + +m4_define([json_interface_age], [0]) +m4_define([json_binary_age], + [m4_eval(100 * json_minor_version + json_micro_version)]) + +m4_define([lt_current], + [m4_eval(100 * json_minor_version + json_micro_version - json_interface_age)]) +m4_define([lt_revision], [json_interface_age]) +m4_define([lt_age], + [m4_eval(json_binary_age - json_interface_age)]) + +m4_define([glib_req_version], [2.14]) + +AC_PREREQ(2.59) +AC_INIT([json-glib], [json_version], [], [json-glib]) +AC_CONFIG_SRCDIR([json-glib/json-glib.h]) + +AM_INIT_AUTOMAKE([1.7]) +AM_CONFIG_HEADER([config.h]) + +AM_DISABLE_STATIC +AM_PATH_GLIB_2_0 +AM_PROG_LIBTOOL + +JSON_MAJOR_VERSION=json_major_version +JSON_MINOR_VERSION=json_minor_version +JSON_MICRO_VERSION=json_micro_version +JSON_VERSION=json_version +AC_SUBST(JSON_MAJOR_VERSION) +AC_SUBST(JSON_MICRO_VERSION) +AC_SUBST(JSON_MINOR_VERSION) +AC_SUBST(JSON_VERSION) + +JSON_LT_CURRENT=lt_current +JSON_LT_REVISION=lt_revision +JSON_LT_AGE=lt_age +JSON_LT_VERSION="$JSON_LT_CURRENT:$JSON_LT_REVISION:$JSON_LT_AGE" +JSON_LT_LDFLAGS="-versio-info $JSON_LT_VERSION" +AC_SUBST(JSON_LT_LDFLAGS) + +AC_PROG_CC +AC_HEADER_STDC +AC_CHECK_HEADERS([unistd.h]) +AC_C_CONST +AC_FUNC_MALLOC +AC_FUNC_MMAP + +PKG_CHECK_MODULES(JSON, gobject-2.0 >= glib_req_version) + +dnl = Enable debug level =================================================== + +m4_define([debug_default], + m4_if(m4_eval(json_minor_version % 2), [1], [yes], [minimum])) + +AC_ARG_ENABLE(debug, + AC_HELP_STRING([--enable-debug=@<:@no/minimum/yes@:>@], + [turn on debugging @<:@default=debug_default@:>@]), +, + enable_debug=debug_default) + +if test "x$enable_debug" = "xyes"; then + test "$cflags_set" = set || CFLAGS="$CFLAGS -g" + JSON_DEBUG_CFLAGS="-DJSON_ENABLE_DEBUG" +else + if test "x$enable_debug" = "xno"; then + JSON_DEBUG_CFLAGS="-DG_DISABLE_ASSERT -DG_DISABLE_CHECKS -DG_DISABLE_CAST_CHECKS" + else # minimum + JSON_DEBUG_CFLAGS="-DJSON_ENABLE_DEBUG -DG_DISABLE_CAST_CHECKS" + fi +fi + +AC_SUBST(JSON_DEBUG_CFLAGS) + +dnl = Enable strict compiler flags ========================================= + +# use strict compiler flags only on development releases +#m4_define([maintainer_flags_default], +# m4_if(m4_eval(json_minor_version % 2), [1], [yes], [no])) +m4_define([maintainer_flags_default], [no]) +AC_ARG_ENABLE([maintainer-flags], + AC_HELP_STRING([--enable-maintainer-flags=@<:@no/yes@:>@], + [Use strict compiler flags @<:@default=maintainer_flags_default@:>@]),, + enable_maintainer_flags=maintainer_flags_default) + +if test "x$enable_maintainer_flags" = "xyes"; then + CPPFLAGS="$CPPFLAGS -g -Wall -Wextra -Wshadow -Wcast-align -Wno-uninitialized -Werror" +else + CPPFLAGS="$CPPFLAGS -g -Wall" +fi + +GTK_DOC_CHECK([1.8]) + +AC_CONFIG_FILES([ + Makefile + json-glib/Makefile + json-glib/json-version.h + tests/Makefile + doc/Makefile + doc/reference/Makefile + doc/reference/version.xml + json-glib.pc +]) + +AC_OUTPUT + +echo "" +echo " Json-GLib $VERSION" +echo "" +echo " Prefix: ${prefix}" +echo " Debug level: ${enable_debug}" +echo " Compiler flags: ${CPPFLAGS}" +echo " API reference: ${enable_gtk_doc}" +echo "" diff --git a/doc/Makefile.am b/doc/Makefile.am new file mode 100644 index 0000000..e69de29 --- /dev/null +++ b/doc/Makefile.am diff --git a/doc/reference/Makefile.am b/doc/reference/Makefile.am new file mode 100644 index 0000000..abb2c6f --- /dev/null +++ b/doc/reference/Makefile.am @@ -0,0 +1,82 @@ +## Process this file with automake to produce Makefile.in + +# We require automake 1.6 at least. +AUTOMAKE_OPTIONS = 1.6 + +# This is a blank Makefile.am for using gtk-doc. +# Copy this to your project's API docs directory and modify the variables to +# suit your project. See the GTK+ Makefiles in gtk+/docs/reference for examples +# of using the various options. + +# The name of the module, e.g. 'glib'. +DOC_MODULE=json-glib + +# The top-level SGML file. You can change this if you want to. +DOC_MAIN_SGML_FILE=$(DOC_MODULE)-docs.sgml + +# The directory containing the source code. Relative to $(srcdir). +# gtk-doc will search all .c & .h files beneath here for inline comments +# documenting the functions and macros. +# e.g. DOC_SOURCE_DIR=../../../gtk +DOC_SOURCE_DIR=../../json-glib + +# Extra options to pass to gtkdoc-scangobj. Not normally needed. +SCANGOBJ_OPTIONS=--type-init-func="g_type_init()" + +# Extra options to supply to gtkdoc-scan. +# e.g. SCAN_OPTIONS=--deprecated-guards="GTK_DISABLE_DEPRECATED" +SCAN_OPTIONS=--deprecated-guards="JSON_DISABLE_DEPRECATED" + +# Extra options to supply to gtkdoc-mkdb. +# e.g. MKDB_OPTIONS=--sgml-mode --output-format=xml +MKDB_OPTIONS=--sgml-mode --output-format=xml + +# Extra options to supply to gtkdoc-mktmpl +# e.g. MKTMPL_OPTIONS=--only-section-tmpl +MKTMPL_OPTIONS= + +# Extra options to supply to gtkdoc-fixref. Not normally needed. +# e.g. FIXXREF_OPTIONS=--extra-dir=../gdk-pixbuf/html --extra-dir=../gdk/html +FIXXREF_OPTIONS= + +# Used for dependencies. The docs will be rebuilt if any of these change. +# e.g. HFILE_GLOB=$(top_srcdir)/gtk/*.h +# e.g. CFILE_GLOB=$(top_srcdir)/gtk/*.c +HFILE_GLOB=$(top_srcdir)/json-glib/*.h +CFILE_GLOB=$(top_srcdir)/json-glib/*.c + +# Header files to ignore when scanning. +# e.g. IGNORE_HFILES=gtkdebug.h gtkintl.h +IGNORE_HFILES=json-private.h + +EXTRA_HFILES= + +# Images to copy into HTML directory. +# e.g. HTML_IMAGES=$(top_srcdir)/gtk/stock-icons/stock_about_24.png +HTML_IMAGES= + +# Extra SGML files that are included by $(DOC_MAIN_SGML_FILE). +# e.g. content_files=running.sgml building.sgml changes-2.0.sgml +content_files= \ + version.xml + +# SGML files where gtk-doc abbrevations (#GtkWidget) are expanded +# These files must be listed here *and* in content_files +# e.g. expand_content_files=running.sgml +expand_content_files= + +# CFLAGS and LDFLAGS for compiling gtkdoc-scangobj with your library. +# Only needed if you are using gtkdoc-scangobj to dynamically query widget +# signals and properties. +# e.g. INCLUDES=-I$(top_srcdir) -I$(top_builddir) $(GTK_DEBUG_FLAGS) +# e.g. GTKDOC_LIBS=$(top_builddir)/gtk/$(gtktargetlib) + +INCLUDES=-I$(top_srcdir) $(JSON_CFLAGS) +GTKDOC_LIBS=$(top_builddir)/json-glib/libjson-glib-1.0.la $(JSON_LIBS) + +# This includes the standard gtk-doc make rules, copied by gtkdocize. +include $(top_srcdir)/gtk-doc.make + +# Other files to distribute +# e.g. EXTRA_DIST += version.xml.in +EXTRA_DIST += version.xml.in diff --git a/doc/reference/json-glib-docs.sgml b/doc/reference/json-glib-docs.sgml new file mode 100644 index 0000000..e69de29 --- /dev/null +++ b/doc/reference/json-glib-docs.sgml diff --git a/doc/reference/version.xml.in b/doc/reference/version.xml.in new file mode 100644 index 0000000..922645c --- /dev/null +++ b/doc/reference/version.xml.in @@ -0,0 +1 @@ +@JSON_VERSION@ diff --git a/json-glib.pc.in b/json-glib.pc.in new file mode 100644 index 0000000..13f64a5 --- /dev/null +++ b/json-glib.pc.in @@ -0,0 +1,11 @@ +prefix=@prefix@ +exec_prefix=${prefix} +libdir=${exec_prefix}/lib +includedir=${exec_prefix}/include + +Name: JSON-GLib +Description: JSON Parser for GLib +Version: @VERSION@ +Libs: -L${libdir} -ljson-glib-1.0 +Cflags: -I${includedir}/json-glib-1.0 +Requires: gobject-2.0 diff --git a/json-glib/Makefile.am b/json-glib/Makefile.am new file mode 100644 index 0000000..977c8fa --- /dev/null +++ b/json-glib/Makefile.am @@ -0,0 +1,52 @@ +NULL = + +INCLUDES = \ + -I$(top_srcdir) \ + -DPREFIX=\""$(prefix)"\" \ + -DLIBDIR=\""$(libdir)"\" \ + -DG_DISABLE_DEPRECATED \ + -DG_LOG_DOMAIN=\"Json\" \ + $(JSON_CFLAGS) \ + $(JSON_DEBUG_CFLAGS) \ + $(NULL) + +LDADD = $(JSON_LT_LDFLAGS) -export-dynamic -rpath $(libdir) + +BUILT_SOURCES = + +STAMP_FILES = + +source_h = \ + json-parser.h \ + json-types.h \ + json-version.h \ + $(NULL) + +source_h_private = json-private.h + +source_c = \ + json-array.c \ + json-object.c \ + json-parser.c \ + $(NULL) + +lib_LTLIBRARIES = libjson-glib-1.0.la + +libjson_glib_1_0_la_LIBADD = $(JSON_LIBS) +libjson_glib_1_0_la_SOURCES = \ + $(source_c) \ + $(source_h) \ + $(source_h_priv) \ + $(BUILT_SOURCES) \ + $(NULL) +libjson_glib_1_0_la_LDFLAGS = $(LDADD) + +jsoninclude_DATA = $(source_h) json-glib.h +jsonincludedir = $(includedir)/json-glib-1.0/json-glib + +CLEANFILES = $(STAMP_FILES) $(BUILT_SOURCES) + +DISTCLEANFILES = json-version.h + +EXTRA_DIST = json-version.h.in + diff --git a/json-glib/json-array.c b/json-glib/json-array.c new file mode 100644 index 0000000..6596c90 --- /dev/null +++ b/json-glib/json-array.c @@ -0,0 +1,176 @@ +#include "config.h" + +#include "json-types.h" +#include "json-private.h" + +struct _JsonArray +{ + GValueArray *elements; + + volatile guint ref_count; +}; + +JsonArray * +json_array_new (void) +{ + JsonArray *array; + + array = g_slice_new (JsonArray); + + array->ref_count = 1; + array->elements = g_value_array_new (0); + + return array; +} + +JsonArray * +json_array_sized_new (guint n_elements) +{ + JsonArray *array; + + array = g_slice_new (JsonArray); + + array->ref_count = 1; + array->elements = g_value_array_new (n_elements); + + return array; +} + +/** + * json_array_ref: + * @array: a #JsonArray + * + * Increase by one the reference count of a #JsonArray. + * + * Return value: the passed #JsonArray, with the reference count + * increased by one. + */ +JsonArray * +json_array_ref (JsonArray *array) +{ + g_return_val_if_fail (array != NULL, NULL); + g_return_val_if_fail (array->ref_count > 0, NULL); + + g_atomic_int_exchange_and_add (&array->ref_count, 1); + + return array; +} + +/** + * json_array_unref: + * @array: a #JsonArray + * + * Decreases by one the reference count of a #JsonArray. If the + * reference count reaches zero, the array is destroyed and all + * its allocated resources are freed. + */ +void +json_array_unref (JsonArray *array) +{ + gint old_ref; + + g_return_if_fail (array != NULL); + g_return_if_fail (array->ref_count > 0); + + old_ref = g_atomic_int_get (&array->ref_count); + if (old_ref > 1) + g_atomic_int_compare_and_exchange (&array->ref_count, old_ref, old_ref - 1); + else + { + g_value_array_free (array->elements); + array->elements = NULL; + + g_slice_free (JsonArray, array); + } +} + +/** + * json_array_get_elements: + * @array: a #JsonArray + * + * Gets the elements of a #JsonArray in list form. + * + * Return value: a #GList containing the elements of the array. The + * contents of the list are owned by the array and should never be + * modified or freed. Use g_list_free() on the returned list when + * done using it + */ +GList * +json_array_get_elements (JsonArray *array) +{ + GList *retval; + guint i; + + g_return_val_if_fail (array != NULL, NULL); + + retval = NULL; + for (i = 0; i < array->elements->n_values; i++) + retval = g_list_prepend (retval, + g_value_array_get_nth (array->elements, i)); + + return g_list_reverse (retval); +} + +/** + * json_array_get_element: + * @array: a #JsonArray + * @index_: the index of the element to retrieve + * + * Retrieves the element at @index_ inside a #JsonArray. + * + * Return value: a pointer to the value at the requested position + */ +GValue * +json_array_get_element (JsonArray *array, + guint index_) +{ + g_return_val_if_fail (array != NULL, NULL); + g_return_val_if_fail (index_ < array->elements->n_values, NULL); + + return g_value_array_get_nth (array->elements, index_); +} + +/** + * json_array_get_length: + * @array: a #JsonArray + * + * Retrieves the length of a #JsonArray + * + * Return value: the length of the array + */ +guint +json_array_get_length (JsonArray *array) +{ + g_return_val_if_fail (array != NULL, 0); + + return array->elements->n_values; +} + +void +json_array_append_element (JsonArray *array, + const GValue *value) +{ + g_return_if_fail (array != NULL); + + g_value_array_append (array->elements, value); +} + +void +json_array_prepend_element (JsonArray *array, + const GValue *value) +{ + g_return_if_fail (array != NULL); + + g_value_array_prepend (array->elements, value); +} + +void +json_array_insert_element (JsonArray *array, + gint index_, + const GValue *value) +{ + g_return_if_fail (array != NULL); + g_return_if_fail (index_ <= array->elements->n_values); + + g_value_array_insert (array->elements, index_, value); +} diff --git a/json-glib/json-glib.h b/json-glib/json-glib.h new file mode 100644 index 0000000..f2d45ac --- /dev/null +++ b/json-glib/json-glib.h @@ -0,0 +1,8 @@ +#ifndef __JSON_GLIB_H__ +#define __JSON_GLIB_H__ + +#include <json-glib/json-types.h> +#include <json-glib/json-parser.h> +#include <json-glib/json-version.h> + +#endif /* __JSON_GLIB_H__ */ diff --git a/json-glib/json-object.c b/json-glib/json-object.c new file mode 100644 index 0000000..aa4d517 --- /dev/null +++ b/json-glib/json-object.c @@ -0,0 +1,201 @@ +#include "config.h" + +#include <glib.h> + +#include "json-types.h" +#include "json-private.h" + +/** + * SECTION:json-object + * @short_description: a JSON Object type + * + * #JsonObject is a boxed type representing a JSON object data type. Each + * JSON object can have zero or more members, and each member is accessed + * by name. Each member can contain different values: numbers, strings, + * arrays (see + */ + +struct _JsonObject +{ + GHashTable *members; + + volatile guint ref_count; +}; + +JsonObject * +json_object_new (void) +{ + JsonObject *object; + + object = g_slice_new (JsonObject); + + object->ref_count = 1; + object->members = g_hash_table_new_full (g_str_hash, g_str_equal, + g_free, + g_free); + + return object; +} + +/** + * json_object_ref: + * @object: a #JsonObject + * + * Increase by one the reference count of a #JsonObject. + * + * Return value: the passed #JsonObject, with the reference count + * increased by one. + */ +JsonObject * +json_object_ref (JsonObject *object) +{ + g_return_val_if_fail (object != NULL, NULL); + g_return_val_if_fail (object->ref_count > 0, NULL); + + g_atomic_int_exchange_and_add (&object->ref_count, 1); + + return object; +} + +static void +object_unset_members (gpointer key, + gpointer value, + gpointer user_data) +{ + GValue *gvalue = value; + + /* we copy the contents of the GValues, so we need to unset it + * before actually freeing them along with the hash table + */ + + if (G_VALUE_TYPE (gvalue) != 0) /* we allow unset values */ + g_value_unset (gvalue); +} + +/** + * json_object_unref: + * @object: a #JsonObject + * + * Decreases by one the reference count of a #JsonObject. If the + * reference count reaches zero, the object is destroyed and all + * its allocated resources are freed. + */ +void +json_object_unref (JsonObject *object) +{ + gint old_ref; + + g_return_if_fail (object != NULL); + g_return_if_fail (object->ref_count > 0); + + old_ref = g_atomic_int_get (&object->ref_count); + if (old_ref > 1) + g_atomic_int_compare_and_exchange (&object->ref_count, old_ref, old_ref - 1); + else + { + g_hash_table_foreach (object->members, object_unset_members, NULL); + g_hash_table_destroy (object->members); + object->members = NULL; + + g_slice_free (JsonObject, object); + } +} + +void +json_object_add_member (JsonObject *object, + const gchar *member_name, + const GValue *value) +{ + GValue *copy; + + g_return_if_fail (object != NULL); + g_return_if_fail (member_name != NULL); + g_return_if_fail (value != NULL); + + if (json_object_has_member (object, member_name)) + { + g_warning ("JsonObject already has a `%s' member", member_name); + return; + } + + copy = g_new (GValue, 1); + g_value_init (copy, G_VALUE_TYPE (value)); + g_value_copy (value, copy); + + g_hash_table_replace (object->members, g_strdup (member_name), copy); +} + +/** + * json_object_get_members: + * @object: a #JsonObject + * + * Retrieves all the names of the members of a #JsonObject. You can + * obtain the value for each member using json_object_get_member(). + * + * Return value: a #GList of member names. The content of the list + * is owned by the #JsonObject and should never be modified or + * freed. When you have finished using the returned list, use + * g_slist_free() to free the resources it has allocated. + */ +GList * +json_object_get_members (JsonObject *object) +{ + g_return_val_if_fail (object != NULL, NULL); + + return g_hash_table_get_keys (object->members); +} + +/** + * json_object_get_member: + * @object: a #JsonObject + * @member_name: the name of the JSON object member to access + * + * Retrieves the value of @member_name inside a #JsonObject. + * + * Return value: a pointer to the value for the requested object + * member, or %NULL + */ +GValue * +json_object_get_member (JsonObject *object, + const gchar *member_name) +{ + g_return_val_if_fail (object != NULL, NULL); + g_return_val_if_fail (member_name != NULL, NULL); + + return g_hash_table_lookup (object->members, member_name); +} + +/** + * json_object_has_member: + * @object: a #JsonObject + * @member_name: the name of a JSON object member + * + * Checks whether @object has a member named @member_name. + * + * Return value: %TRUE if the JSON object has the requested member + */ +gboolean +json_object_has_member (JsonObject *object, + const gchar *member_name) +{ + g_return_val_if_fail (object != NULL, FALSE); + g_return_val_if_fail (member_name != NULL, FALSE); + + return (g_hash_table_lookup (object->members, member_name) != NULL); +} + +/** + * json_object_get_size: + * @object: a #JsonObject + * + * Retrieves the size of a #JsonObject. + * + * Return value: the number of members the JSON object has + */ +guint +json_object_get_size (JsonObject *object) +{ + g_return_val_if_fail (object != NULL, 0); + + return g_hash_table_size (object->members); +} diff --git a/json-glib/json-parser.c b/json-glib/json-parser.c new file mode 100644 index 0000000..f44451f --- /dev/null +++ b/json-glib/json-parser.c @@ -0,0 +1,152 @@ +#include "config.h" + +#include <string.h> + +#include "json-parser.h" +#include "json-private.h" + +GQuark +json_parser_error_quark (void) +{ + return g_quark_from_static_string ("json-parser-error"); +} + +#define JSON_PARSER_GET_PRIVATE(obj) \ + (G_TYPE_INSTANCE_GET_PRIVATE ((obj), JSON_TYPE_PARSER, JsonParserPrivate)) + +struct _JsonParserPrivate +{ + GList *top_levels; +}; + +G_DEFINE_TYPE (JsonParser, json_parser, G_TYPE_OBJECT); + +static void +json_parser_dispose (GObject *gobject) +{ + G_OBJECT_CLASS (json_parser_parent_class)->dispose (gobject); +} + +static void +json_parser_class_init (JsonParserClass *klass) +{ + GObjectClass *gobject_class = G_OBJECT_CLASS (klass); + + g_type_class_add_private (klass, sizeof (JsonParserPrivate)); + + gobject_class->dispose = json_parser_dispose; +} + +static void +json_parser_init (JsonParser *parser) +{ + JsonParserPrivate *priv; + + parser->priv = priv = JSON_PARSER_GET_PRIVATE (parser); + + priv->top_levels = NULL; +} + +/** + * json_parser_new: + * + * Creates a new #JsonParser instance. You can use the #JsonParser to + * load a JSON stream from either a file or a buffer and then walk the + * hierarchy using the data types API. + * + * Return value: the newly created #JsonParser. Use g_object_unref() + * to release all the memory it allocates. + */ +JsonParser * +json_parser_new (void) +{ + return g_object_new (JSON_TYPE_PARSER, NULL); +} + +/** + * json_parser_load_from_file: + * @parser: a #JsonParser + * @filename: the path for the file to parse + * @error: return location for a #GError, or %NULL + * + * Loads a JSON stream from the content of @filename and parses it. + * + * Return value: %TRUE if the file was successfully loaded and parsed. + * In case of error, @error is set accordingly and %FALSE is returned + */ +gboolean +json_parser_load_from_file (JsonParser *parser, + const gchar *filename, + GError **error) +{ + GError *internal_error; + gchar *data; + gsize length; + gboolean retval = TRUE; + + g_return_val_if_fail (JSON_IS_PARSER (parser), FALSE); + g_return_val_if_fail (filename != NULL, FALSE); + + internal_error = NULL; + if (!g_file_get_contents (filename, &data, &length, &internal_error)) + { + g_propagate_error (error, internal_error); + return FALSE; + } + + if (!json_parser_load_from_data (parser, data, length, &internal_error)) + { + g_propagate_error (error, internal_error); + retval = FALSE; + } + + g_free (data); + + return retval; +} + +/** + * json_parser_load_from_data: + * @parser: a #JsonParser + * @data: the buffer to parse + * @length: the length of the buffer, or -1 + * @error: return location for a #GError, or %NULL + * + * Loads a JSON stream from a buffer and parses it. + * + * Return value: %TRUE if the buffer was succesfully parser. In case + * of error, @error is set accordingly and %FALSE is returned + */ +gboolean +json_parser_load_from_data (JsonParser *parser, + const gchar *data, + gsize length, + GError **error) +{ + g_return_val_if_fail (JSON_IS_PARSER (parser), FALSE); + g_return_val_if_fail (data != NULL, FALSE); + + if (length < 0) + length = strlen (data); + + return TRUE; +} + +/** + * json_parser_get_toplevels: + * @parser: a #JsonParser + * + * Retrieves the top level entities from the parsed JSON stream. + * + * Return value: a list of pointers to the top-level entites. The + * returned list is owned by the #JsonParser and should never be + * modified or freed. + */ +GList * +json_parser_get_toplevels (JsonParser *parser) +{ + g_return_val_if_fail (JSON_IS_PARSER (parser), NULL); + + return parser->priv->top_levels; +} + diff --git a/json-glib/json-parser.h b/json-glib/json-parser.h new file mode 100644 index 0000000..50d5aa5 --- /dev/null +++ b/json-glib/json-parser.h @@ -0,0 +1,57 @@ +#ifndef __JSON_PARSER_H__ +#define __JSON_PARSER_H__ + +#include <json-glib/json-types.h> + +G_BEGIN_DECLS + +#define JSON_TYPE_PARSER (json_parser_get_type ()) +#define JSON_PARSER(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), JSON_TYPE_PARSER, JsonParser)) +#define JSON_IS_PARSER(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), JSON_TYPE_PARSER)) +#define JSON_PARSER_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), JSON_TYPE_PARSER, JsonParserClass)) +#define JSON_IS_PARSER_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), JSON_TYPE_PARSER)) +#define JSON_PARSER_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), JSON_TYPE_PARSER, JsonParserClass)) + +#define JSON_PARSER_ERROR (json_parser_error_quark ()) + +typedef struct _JsonParser JsonParser; +typedef struct _JsonParserPrivate JsonParserPrivate; +typedef struct _JsonParserClass JsonParserClass; + +typedef enum { + JSON_PARSER_ERROR_INVALID_OBJECT, + JSON_PARSER_ERROR_INVALID_ARRAY, + JSON_PARSER_ERROR_INVALID_PAIR, + + JSON_PARSER_ERROR_UNKNOWN +} JsonParserError; + +struct _JsonParser +{ + /*< private >*/ + GObject parent_instance; + + JsonParserPrivate *priv; +}; + +struct _JsonParserClass +{ + GObjectClass parent_class; +}; + +GQuark json_parser_error_quark (void); +GType json_parser_get_type (void) G_GNUC_CONST; + +JsonParser *json_parser_new (void); +gboolean json_parser_load_from_file (JsonParser *parser, + const gchar *filename, + GError **error); +gboolean json_parser_load_from_data (JsonParser *parser, + const gchar *data, + gsize length, + GError **error); +GList * json_parser_get_toplevels (JsonParser *parser); + +G_END_DECLS + +#endif /* __JSON_PARSER_H__ */ diff --git a/json-glib/json-private.h b/json-glib/json-private.h new file mode 100644 index 0000000..962ea7b --- /dev/null +++ b/json-glib/json-private.h @@ -0,0 +1,26 @@ +#ifndef __JSON_PRIVATE_H__ +#define __JSON_PRIVATE_H__ + +#include <glib-object.h> +#include <json-glib/json-types.h> + +G_BEGIN_DECLS + +JsonObject *json_object_new (void); +void json_object_add_member (JsonObject *object, + const gchar *member_name, + const GValue *value); + +JsonArray * json_array_new (void); +JsonArray * json_array_sized_new (guint n_elements); +void json_array_append_element (JsonArray *array, + const GValue *value); +void json_array_prepend_element (JsonArray *array, + const GValue *value); +void json_array_insert_element (JsonArray *array, + gint index_, + const GValue *value); + +G_END_DECLS + +#endif /* __JSON_PRIVATE_H__ */ diff --git a/json-glib/json-types.h b/json-glib/json-types.h new file mode 100644 index 0000000..28e2c33 --- /dev/null +++ b/json-glib/json-types.h @@ -0,0 +1,32 @@ +#ifndef __JSON_TYPES_H__ +#define __JSON_TYPES_H__ + +#include <glib-object.h> + +G_BEGIN_DECLS + +#define JSON_TYPE_OBJECT (json_object_get_type ()) +#define JSON_TYPE_ARRAY (json_array_get_type ()) + +typedef struct _JsonObject JsonObject; +typedef struct _JsonArray JsonArray; + +JsonObject *json_object_ref (JsonObject *object); +void json_object_unref (JsonObject *object); +GList * json_object_get_members (JsonObject *object); +GValue * json_object_get_member (JsonObject *object, + const gchar *member_name); +gboolean json_object_has_member (JsonObject *object, + const gchar *member_name); +guint json_object_get_size (JsonObject *object); + +JsonArray * json_array_ref (JsonArray *array); +void json_array_unref (JsonArray *array); +GList * json_array_get_elements (JsonArray *array); +GValue * json_array_get_element (JsonArray *array, + guint index_); +guint json_array_get_length (JsonArray *array); + +G_END_DECLS + +#endif /* __JSON_TYPES_H__ */ diff --git a/json-glib/json-version.h.in b/json-glib/json-version.h.in new file mode 100644 index 0000000..f2fefee --- /dev/null +++ b/json-glib/json-version.h.in @@ -0,0 +1,65 @@ +#ifndef __JSON_VERSION_H__ +#define __JSON_VERSION_H__ + +/** + * JSON_MAJOR_VERSION: + * + * Json major version component (e.g. 1 if %JSON_VERSION is 1.2.3) + */ +#define JSON_MAJOR_VERSION (@JSON_MAJOR_VERSION@) + +/** + * JSON_MINOR_VERSION: + * + * Json minor version component (e.g. 2 if %JSON_VERSION is 1.2.3) + */ +#define JSON_MINOR_VERSION (@JSON_MINOR_VERSION@) + +/** + * JSON_MICRO_VERSION: + * + * Json micro version component (e.g. 3 if %JSON_VERSION is 1.2.3) + */ +#define JSON_MICRO_VERSION (@JSON_MICRO_VERSION@) + +/** + * JSON_VERSION + * + * Json version. + */ +#define JSON_VERSION (@JSON_VERSION@) + +/** + * JSON_VERSION_S: + * + * Json version, encoded as a string, useful for printing and + * concatenation. + */ +#define JSON_VERSION_S "@JSON_VERSION@" + +/** + * JSON_VERSION_HEX: + * + * Json version, encoded as an hexadecimal number, useful for + * integer comparisons. + */ +#define JSON_VERSION_HEX (JSON_MAJOR_VERSION << 24 | \ + JSON_MINOR_VERSION << 16 | \ + JSON_MICRO_VERSION << 8) + +/** + * JSON_CHECK_VERSION: + * @major: required major version + * @minor: required minor version + * @micro: required micro version + * + * Compile-time version checking. Evaluates to %TRUE if the version + * of Json is greater than the required one. + */ +#define JSON_CHECK_VERSION(major,minor,micro) \ + (JSON_MAJOR_VERSION > (major) || \ + (JSON_MAJOR_VERSION == (major) && JSON_MINOR_VERSION > (minor)) || \ + (JSON_MAJOR_VERSION == (major) && JSON_MINOR_VERSION == (minor) && \ + JSON_MICRO_VERSION >= (micro))) + +#endif /* __JSON_VERSION_H__ */ diff --git a/tests/Makefile.am b/tests/Makefile.am new file mode 100644 index 0000000..e69de29 --- /dev/null +++ b/tests/Makefile.am |