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-rw-r--r--src-old/stylesheet.c288
1 files changed, 0 insertions, 288 deletions
diff --git a/src-old/stylesheet.c b/src-old/stylesheet.c
deleted file mode 100644
index a6e2531..0000000
--- a/src-old/stylesheet.c
+++ /dev/null
@@ -1,288 +0,0 @@
-/*
- * stylesheet.c
- *
- * Copyright © 2013-2018 Thomas White <taw@bitwiz.org.uk>
- *
- * This file is part of Colloquium.
- *
- * Colloquium 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 3 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, see <http://www.gnu.org/licenses/>.
- *
- */
-
-
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-
-#include <json-glib/json-glib.h>
-#include <stdlib.h>
-#include <string.h>
-#include <stdio.h>
-#include <gio/gio.h>
-#include <gdk/gdk.h>
-
-#include "stylesheet.h"
-#include "utils.h"
-
-
-struct _stylesheet {
- JsonNode *root;
-};
-
-
-static int find_comma(const char *a)
-{
- int i = 0;
- int in_brackets = 0;
- size_t len = strlen(a);
-
- do {
- if ( (a[i] == ',') && !in_brackets ) return i;
- if ( a[i] == '(' ) in_brackets++;
- if ( a[i] == ')' ) in_brackets--;
- i++;
- } while ( i < len );
- return 0;
-}
-
-
-int parse_colour_duo(const char *a, GdkRGBA *col1, GdkRGBA *col2)
-{
- char *acopy;
- int cpos;
-
- acopy = strdup(a);
- if ( acopy == NULL ) return 1;
-
- cpos = find_comma(acopy);
- if ( cpos == 0 ) {
- fprintf(stderr, _("Invalid background gradient '%s'\n"), a);
- return 1;
- }
-
- acopy[cpos] = '\0';
-
- if ( gdk_rgba_parse(col1, acopy) != TRUE ) {
- fprintf(stderr, _("Failed to parse colour: %s\n"), acopy);
- }
- if ( gdk_rgba_parse(col2, &acopy[cpos+1]) != TRUE ) {
- fprintf(stderr, _("Failed to parse colour: %s\n"), &acopy[cpos+1]);
- }
-
- free(acopy);
- return 0;
-}
-
-
-Stylesheet *stylesheet_load(GFile *file)
-{
- JsonParser *parser;
- gboolean r;
- GError *err = NULL;
- Stylesheet *ss;
- char *everything;
- gsize len;
-
- printf("Trying stylesheet '%s'\n", g_file_get_uri(file));
-
- ss = calloc(1, sizeof(Stylesheet));
- if ( ss == NULL ) return NULL;
-
- parser = json_parser_new();
-
- if ( !g_file_load_contents(file, NULL, &everything, &len, NULL, NULL) ) {
- fprintf(stderr, _("Failed to load stylesheet '%s'\n"),
- g_file_get_uri(file));
- free(ss);
- return NULL;
- }
-
- r = json_parser_load_from_data(parser, everything, len, &err);
- if ( r == FALSE ) {
- fprintf(stderr, _("Failed to load stylesheet: %s\n"),
- err->message);
- free(ss);
- return NULL;
- }
-
- ss->root = json_parser_steal_root(parser);
- g_object_unref(parser);
-
- return ss;
-}
-
-
-static JsonObject *find_stylesheet_object(Stylesheet *ss, const char *path,
- JsonNode **freeme)
-{
- JsonNode *node;
- JsonObject *obj;
- JsonArray *array;
- GError *err = NULL;
-
- node = json_path_query(path, ss->root, &err);
- array = json_node_get_array(node);
-
- if ( json_array_get_length(array) == 0 ) {
- json_node_unref(node);
- return NULL;
- }
-
- if ( json_array_get_length(array) > 1 ) {
- json_node_unref(node);
- fprintf(stderr, "More than one result in SS lookup (%s)!\n", path);
- return NULL;
- }
-
- obj = json_array_get_object_element(array, 0);
- if ( obj == NULL ) {
- printf("%s not a JSON object\n", path);
- json_node_unref(node);
- return NULL;
- }
-
- *freeme = node;
- return obj;
-}
-
-
-char *stylesheet_lookup(Stylesheet *ss, const char *path, const char *key)
-{
- JsonObject *obj;
- char *ret = NULL;
- JsonNode *node = NULL;
-
- if ( ss == NULL ) {
- fprintf(stderr, "No stylesheet!\n");
- return NULL;
- }
-
- obj = find_stylesheet_object(ss, path, &node);
- if ( obj == NULL ) return NULL;
-
- if ( json_object_has_member(obj, key) ) {
-
- const gchar *v;
- v = json_object_get_string_member(obj, key);
- if ( v != NULL ) {
- ret = strdup(v);
- } else {
- fprintf(stderr, "Error retrieving %s.%s\n", path, key);
- }
-
- } /* else not found, too bad */
-
- if ( node != NULL ) json_node_unref(node);
- return ret;
-}
-
-
-int stylesheet_set(Stylesheet *ss, const char *path, const char *key,
- const char *new_val)
-{
- JsonObject *obj;
- JsonNode *node = NULL;
- int r = 1;
-
- if ( ss == NULL ) {
- fprintf(stderr, "No stylesheet!\n");
- return 1;
- }
-
- obj = find_stylesheet_object(ss, path, &node);
- if ( obj != NULL ) {
- json_object_set_string_member(obj, key, new_val);
- r = 0;
- } /* else most likely the object (e.g. "$.slide", "$.slide.frame",
- * "$.narrative" etc doesn't exist */
-
- if ( node != NULL ) json_node_unref(node);
- return r;
-}
-
-
-int stylesheet_delete(Stylesheet *ss, const char *path, const char *key)
-{
- JsonObject *obj;
- JsonNode *node = NULL;
- int r = 1;
-
- if ( ss == NULL ) {
- fprintf(stderr, "No stylesheet!\n");
- return 1;
- }
-
- obj = find_stylesheet_object(ss, path, &node);
- if ( obj != NULL ) {
- json_object_remove_member(obj, key);
- r = 0;
- } /* else most likely the object (e.g. "$.slide", "$.slide.frame",
- * "$.narrative" etc doesn't exist */
-
- if ( node != NULL ) json_node_unref(node);
- return r;
-}
-
-
-void stylesheet_free(Stylesheet *ss)
-{
- json_node_unref(ss->root);
- free(ss);
-}
-
-
-int stylesheet_save(Stylesheet *ss, GFile *file)
-{
- JsonGenerator *gen;
- GError *error = NULL;
- GFileOutputStream *fh;
-
- fh = g_file_replace(file, NULL, FALSE, G_FILE_CREATE_NONE, NULL, &error);
- if ( fh == NULL ) {
- fprintf(stderr, _("Open failed: %s\n"), error->message);
- return 1;
- }
-
- gen = json_generator_new();
- json_generator_set_root(gen, ss->root);
- json_generator_set_pretty(gen, TRUE);
- json_generator_set_indent(gen, 1);
- json_generator_set_indent_char(gen, '\t');
- if ( !json_generator_to_stream(gen, G_OUTPUT_STREAM(fh), NULL, &error) ) {
- fprintf(stderr, _("Open failed: %s\n"), error->message);
- return 1;
- }
- g_object_unref(fh);
- return 0;
-}
-
-
-char *stylesheet_data(Stylesheet *ss)
-{
- return json_to_string(ss->root, FALSE);
-}
-
-
-void stylesheet_set_data(Stylesheet *ss, const char *data)
-{
- JsonNode *new_root;
- GError *err = NULL;
- new_root = json_from_string(data, &err);
- if ( new_root == NULL ) {
- fprintf(stderr, "Internal parse error: %s\n", err->message);
- return;
- }
- json_node_unref(ss->root);
- ss->root = new_root;
-}
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-01 23:32:34 +0000