--- a/libpurple/protocols/facebook/json.c Wed Mar 29 23:21:45 2023 -0500
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,658 +0,0 @@
-/* purple
- *
- * Purple is the legal property of its developers, whose names are too numerous
- * to list here. Please refer to the COPYRIGHT file distributed with this
- * source distribution.
- *
- * This program 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 of the License, or
- * (at your option) any later version.
- *
- * 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 General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111-1301 USA
- */
-
-#include <glib/gi18n-lib.h>
-
-#include <stdarg.h>
-#include <string.h>
-
-#include "json.h"
-#include "util.h"
-
-typedef struct _FbJsonValue FbJsonValue;
-
-struct _FbJsonValue
-{
- const gchar *expr;
- FbJsonType type;
- gboolean required;
- GValue value;
-};
-
-/**
- * FbJsonValues:
- *
- * Represents a JSON value handler.
- */
-struct _FbJsonValues
-{
- GObject parent;
-
- JsonNode *root;
- GQueue *queue;
- GList *next;
-
- gboolean isarray;
- JsonArray *array;
- guint index;
-
- GError *error;
-};
-
-G_DEFINE_TYPE(FbJsonValues, fb_json_values, G_TYPE_OBJECT);
-
-static void
-fb_json_values_dispose(GObject *obj)
-{
- FbJsonValues *values = FB_JSON_VALUES(obj);
-
- if(values->queue != NULL) {
- while(!g_queue_is_empty(values->queue)) {
- FbJsonValue *value = g_queue_pop_head(values->queue);
-
- if(G_IS_VALUE(&value->value)) {
- g_value_unset(&value->value);
- }
-
- g_free(value);
- }
- }
-
- g_clear_pointer(&values->array, json_array_unref);
- g_clear_error(&values->error);
- g_clear_pointer(&values->queue, g_queue_free);
-}
-
-static void
-fb_json_values_class_init(FbJsonValuesClass *klass)
-{
- GObjectClass *gklass = G_OBJECT_CLASS(klass);
-
- gklass->dispose = fb_json_values_dispose;
-}
-
-static void
-fb_json_values_init(FbJsonValues *values)
-{
- values->queue = g_queue_new();
-}
-
-GQuark
-fb_json_error_quark(void)
-{
- static GQuark q = 0;
-
- if (G_UNLIKELY(q == 0)) {
- q = g_quark_from_static_string("fb-json-error-quark");
- }
-
- return q;
-}
-
-JsonBuilder *
-fb_json_bldr_new(JsonNodeType type)
-{
- JsonBuilder *bldr;
-
- bldr = json_builder_new();
-
- switch (type) {
- case JSON_NODE_ARRAY:
- fb_json_bldr_arr_begin(bldr, NULL);
- break;
-
- case JSON_NODE_OBJECT:
- fb_json_bldr_obj_begin(bldr, NULL);
- break;
-
- default:
- break;
- }
-
- return bldr;
-}
-
-gchar *
-fb_json_bldr_close(JsonBuilder *bldr, JsonNodeType type, gsize *size)
-{
- gchar *ret;
- JsonGenerator *genr;
- JsonNode *root;
-
- switch (type) {
- case JSON_NODE_ARRAY:
- fb_json_bldr_arr_end(bldr);
- break;
-
- case JSON_NODE_OBJECT:
- fb_json_bldr_obj_end(bldr);
- break;
-
- default:
- break;
- }
-
- genr = json_generator_new();
- root = json_builder_get_root(bldr);
-
- json_generator_set_root(genr, root);
- ret = json_generator_to_data(genr, size);
-
- json_node_free(root);
- g_object_unref(genr);
- g_object_unref(bldr);
-
- return ret;
-}
-
-void
-fb_json_bldr_arr_begin(JsonBuilder *bldr, const gchar *name)
-{
- if (name != NULL) {
- json_builder_set_member_name(bldr, name);
- }
-
- json_builder_begin_array(bldr);
-}
-
-void
-fb_json_bldr_arr_end(JsonBuilder *bldr)
-{
- json_builder_end_array(bldr);
-}
-
-void
-fb_json_bldr_obj_begin(JsonBuilder *bldr, const gchar *name)
-{
- if (name != NULL) {
- json_builder_set_member_name(bldr, name);
- }
-
- json_builder_begin_object(bldr);
-}
-
-void
-fb_json_bldr_obj_end(JsonBuilder *bldr)
-{
- json_builder_end_object(bldr);
-}
-
-void
-fb_json_bldr_add_bool(JsonBuilder *bldr, const gchar *name, gboolean value)
-{
- if (name != NULL) {
- json_builder_set_member_name(bldr, name);
- }
-
- json_builder_add_boolean_value(bldr, value);
-}
-
-void
-fb_json_bldr_add_dbl(JsonBuilder *bldr, const gchar *name, gdouble value)
-{
- if (name != NULL) {
- json_builder_set_member_name(bldr, name);
- }
-
- json_builder_add_double_value(bldr, value);
-}
-
-void
-fb_json_bldr_add_int(JsonBuilder *bldr, const gchar *name, gint64 value)
-{
- if (name != NULL) {
- json_builder_set_member_name(bldr, name);
- }
-
- json_builder_add_int_value(bldr, value);
-}
-
-void
-fb_json_bldr_add_str(JsonBuilder *bldr, const gchar *name, const gchar *value)
-{
- if (name != NULL) {
- json_builder_set_member_name(bldr, name);
- }
-
- json_builder_add_string_value(bldr, value);
-}
-
-void
-fb_json_bldr_add_strf(JsonBuilder *bldr, const gchar *name,
- const gchar *format, ...)
-{
- gchar *value;
- va_list ap;
-
- va_start(ap, format);
- value = g_strdup_vprintf(format, ap);
- va_end(ap);
-
- fb_json_bldr_add_str(bldr, name, value);
- g_free(value);
-}
-
-JsonNode *
-fb_json_node_new(const gchar *data, gssize size, GError **error)
-{
- gchar *slice;
- JsonNode *root;
- JsonParser *prsr;
-
- g_return_val_if_fail(data != NULL, NULL);
-
- if (size < 0) {
- size = strlen(data);
- }
-
- /* Ensure data is null terminated for json-glib < 1.0.2 */
- slice = g_strndup(data, size);
- prsr = json_parser_new();
-
- if (!json_parser_load_from_data(prsr, slice, size, error)) {
- g_object_unref(prsr);
- g_free(slice);
- return NULL;
- }
-
- root = json_parser_get_root(prsr);
- root = json_node_copy(root);
-
- g_object_unref(prsr);
- g_free(slice);
- return root;
-}
-
-JsonNode *
-fb_json_node_get(JsonNode *root, const gchar *expr, GError **error)
-{
- GError *err = NULL;
- guint size;
- JsonArray *rslt;
- JsonNode *node;
- JsonNode *ret;
-
- /* Special case for json-glib < 0.99.2 */
- if (purple_strequal(expr, "$")) {
- return json_node_copy(root);
- }
-
- node = json_path_query(expr, root, &err);
-
- if (err != NULL) {
- g_propagate_error(error, err);
- json_node_free(node);
- return NULL;
- }
-
- rslt = json_node_get_array(node);
- size = json_array_get_length(rslt);
-
- if (size < 1) {
- g_set_error(error, FB_JSON_ERROR, FB_JSON_ERROR_NOMATCH,
- _("No matches for %s"), expr);
- json_node_free(node);
- return NULL;
- }
-
- if (size > 1) {
- g_set_error(error, FB_JSON_ERROR, FB_JSON_ERROR_AMBIGUOUS,
- _("Ambiguous matches for %s"), expr);
- json_node_free(node);
- return NULL;
- }
-
- if (json_array_get_null_element(rslt, 0)) {
- g_set_error(error, FB_JSON_ERROR, FB_JSON_ERROR_NULL,
- _("Null value for %s"), expr);
- json_node_free(node);
- return NULL;
- }
-
- ret = json_array_dup_element(rslt, 0);
- json_node_free(node);
- return ret;
-}
-
-JsonNode *
-fb_json_node_get_nth(JsonNode *root, guint n)
-{
- GList *vals;
- JsonNode *ret;
- JsonObject *obj;
-
- obj = json_node_get_object(root);
- vals = json_object_get_values(obj);
- ret = g_list_nth_data(vals, n);
-
- g_list_free(vals);
- return ret;
-}
-
-JsonArray *
-fb_json_node_get_arr(JsonNode *root, const gchar *expr, GError **error)
-{
- JsonArray *ret;
- JsonNode *rslt;
-
- rslt = fb_json_node_get(root, expr, error);
-
- if (rslt == NULL) {
- return NULL;
- }
-
- ret = json_node_dup_array(rslt);
- json_node_free(rslt);
- return ret;
-}
-
-gboolean
-fb_json_node_get_bool(JsonNode *root, const gchar *expr, GError **error)
-{
- gboolean ret;
- JsonNode *rslt;
-
- rslt = fb_json_node_get(root, expr, error);
-
- if (rslt == NULL) {
- return FALSE;
- }
-
- ret = json_node_get_boolean(rslt);
- json_node_free(rslt);
- return ret;
-}
-
-gdouble
-fb_json_node_get_dbl(JsonNode *root, const gchar *expr, GError **error)
-{
- gdouble ret;
- JsonNode *rslt;
-
- rslt = fb_json_node_get(root, expr, error);
-
- if (rslt == NULL) {
- return 0.0;
- }
-
- ret = json_node_get_double(rslt);
- json_node_free(rslt);
- return ret;
-}
-
-gint64
-fb_json_node_get_int(JsonNode *root, const gchar *expr, GError **error)
-{
- gint64 ret;
- JsonNode *rslt;
-
- rslt = fb_json_node_get(root, expr, error);
-
- if (rslt == NULL) {
- return 0;
- }
-
- ret = json_node_get_int(rslt);
- json_node_free(rslt);
- return ret;
-}
-
-gchar *
-fb_json_node_get_str(JsonNode *root, const gchar *expr, GError **error)
-{
- gchar *ret;
- JsonNode *rslt;
-
- rslt = fb_json_node_get(root, expr, error);
-
- if (rslt == NULL) {
- return NULL;
- }
-
- ret = json_node_dup_string(rslt);
- json_node_free(rslt);
- return ret;
-}
-
-FbJsonValues *
-fb_json_values_new(JsonNode *root)
-{
- FbJsonValues *values;
-
- g_return_val_if_fail(root != NULL, NULL);
-
- values = g_object_new(FB_TYPE_JSON_VALUES, NULL);
- values->root = root;
-
- return values;
-}
-
-void
-fb_json_values_add(FbJsonValues *values, FbJsonType type, gboolean required,
- const gchar *expr)
-{
- FbJsonValue *value;
-
- g_return_if_fail(values != NULL);
- g_return_if_fail(expr != NULL);
-
- value = g_new0(FbJsonValue, 1);
- value->expr = expr;
- value->type = type;
- value->required = required;
-
- g_queue_push_tail(values->queue, value);
-}
-
-JsonNode *
-fb_json_values_get_root(FbJsonValues *values)
-{
- guint index;
-
- g_return_val_if_fail(values != NULL, NULL);
-
- if(values->array == NULL) {
- return values->root;
- }
-
- g_return_val_if_fail(values->index > 0, NULL);
- index = values->index - 1;
-
- if(json_array_get_length(values->array) <= index) {
- return NULL;
- }
-
- return json_array_get_element(values->array, index);
-}
-
-void
-fb_json_values_set_array(FbJsonValues *values, gboolean required,
- const gchar *expr)
-{
- g_return_if_fail(values != NULL);
-
- values->array = fb_json_node_get_arr(values->root, expr, &values->error);
- values->isarray = TRUE;
-
- if(!required) {
- g_clear_error(&values->error);
- }
-}
-
-gboolean
-fb_json_values_update(FbJsonValues *values, GError **error)
-{
- FbJsonValue *value;
- GError *err = NULL;
- GList *l;
- GType type;
- JsonNode *root;
- JsonNode *node;
-
- g_return_val_if_fail(values != NULL, FALSE);
-
- if(G_UNLIKELY(values->error != NULL)) {
- g_propagate_error(error, values->error);
- values->error = NULL;
- return FALSE;
- }
-
- if(values->isarray) {
- if(values->array == NULL ||
- json_array_get_length(values->array) <= values->index)
- {
- return FALSE;
- }
-
- root = json_array_get_element(values->array, values->index++);
- } else {
- root = values->root;
- }
-
- g_return_val_if_fail(root != NULL, FALSE);
-
- for(l = values->queue->head; l != NULL; l = l->next) {
- value = l->data;
- node = fb_json_node_get(root, value->expr, &err);
-
- if (G_IS_VALUE(&value->value)) {
- g_value_unset(&value->value);
- }
-
- if (err != NULL) {
- json_node_free(node);
-
- if (value->required) {
- g_propagate_error(error, err);
- return FALSE;
- }
-
- g_clear_error(&err);
- continue;
- }
-
- type = json_node_get_value_type(node);
-
- if (G_UNLIKELY(type != value->type)) {
- g_set_error(error, FB_JSON_ERROR, FB_JSON_ERROR_TYPE,
- _("Expected a %s but got a %s for %s"),
- g_type_name(value->type),
- g_type_name(type),
- value->expr);
- json_node_free(node);
- return FALSE;
- }
-
- json_node_get_value(node, &value->value);
- json_node_free(node);
- }
-
- values->next = values->queue->head;
- return TRUE;
-}
-
-const GValue *
-fb_json_values_next(FbJsonValues *values)
-{
- FbJsonValue *value;
-
- g_return_val_if_fail(values != NULL, NULL);
-
- g_return_val_if_fail(values->next != NULL, NULL);
- value = values->next->data;
- values->next = values->next->next;
-
- if (!G_IS_VALUE(&value->value)) {
- return NULL;
- }
-
- return &value->value;
-}
-
-gboolean
-fb_json_values_next_bool(FbJsonValues *values, gboolean defval)
-{
- const GValue *value;
-
- value = fb_json_values_next(values);
-
- if (G_UNLIKELY(value == NULL)) {
- return defval;
- }
-
- return g_value_get_boolean(value);
-}
-
-gdouble
-fb_json_values_next_dbl(FbJsonValues *values, gdouble defval)
-{
- const GValue *value;
-
- value = fb_json_values_next(values);
-
- if (G_UNLIKELY(value == NULL)) {
- return defval;
- }
-
- return g_value_get_double(value);
-}
-
-gint64
-fb_json_values_next_int(FbJsonValues *values, gint64 defval)
-{
- const GValue *value;
-
- value = fb_json_values_next(values);
-
- if (G_UNLIKELY(value == NULL)) {
- return defval;
- }
-
- return g_value_get_int64(value);
-}
-
-const gchar *
-fb_json_values_next_str(FbJsonValues *values, const gchar *defval)
-{
- const GValue *value;
-
- value = fb_json_values_next(values);
-
- if (G_UNLIKELY(value == NULL)) {
- return defval;
- }
-
- return g_value_get_string(value);
-}
-
-gchar *
-fb_json_values_next_str_dup(FbJsonValues *values, const gchar *defval)
-{
- const GValue *value;
-
- value = fb_json_values_next(values);
-
- if (G_UNLIKELY(value == NULL)) {
- return g_strdup(defval);
- }
-
- return g_value_dup_string(value);
-}