1 files changed, 176 insertions, 0 deletions
diff --git a/app/bin/manifest.c b/app/bin/manifest.c
new file mode 100644
index 0000000..1652996
--- /dev/null
+++ b/app/bin/manifest.c
@@ -0,0 +1,176 @@
+/** \file manifest.c
+ * JSON routines
+ */
+ /*  XTrkCad - Model Railroad CAD
+  *  Copyright (C) 2018 Adam Richards and Martin Fischer
+  *
+  *  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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+  */
+  
+#include <string.h>
+
+#include "cJSON.h"
+#include "fileio.h"
+#include "layout.h"
+#include "misc2.h"
+#include "paths.h"
+#include "include/utf8convert.h"
+
+extern int log_zip;
+
+ /**********************************************************
+  * Build JSON Manifest -  manifest.json
+  * There are only two objects in the root -
+  * - The layout object defines the correct filename for the layout
+  * - The dependencies object is an arraylist of included elements
+  *
+  * Each element has a name, a filename and an arch-path (where in the archive it is located)
+  * It may have other values - a common one the copy-path is where it was copied from the originators machine (info only)
+  *
+  * There is one reserved name - "background" which is for the image file that is used as a layout background
+  *
+  *\param IN nameOfLayout - the layout this is a manifest for
+  *\param IN background - the full filepath to the background image (or NULL) -> TODO this will become an array with a count
+  *\param IN DependencyDir - the relative path in the archive to the directory in which the included object(s) will be stored
+  *
+  *\returns a String containing the JSON object
+  */
+
+char* CreateManifest(char* nameOfLayout, char* background,
+	char* dependencyDir)
+{
+	cJSON* manifest = cJSON_CreateObject();
+	if (manifest != NULL) {
+		char *copyOfFileName = MyStrdup(nameOfLayout);
+		cJSON* a_object = cJSON_CreateObject();
+		cJSON_AddItemToObject(manifest, "layout", a_object);
+#ifdef WINDOWS
+		copyOfFileName = Convert2UTF8(copyOfFileName);
+#endif // WINDOWS
+		cJSON_AddStringToObject(a_object, "name", copyOfFileName);
+		MyFree(copyOfFileName);
+
+		cJSON* dependencies = cJSON_AddArrayToObject(manifest, "dependencies");
+		cJSON* b_object = cJSON_CreateObject();
+		if (background && background[0]) {
+			char *backg;
+			cJSON_AddStringToObject(b_object, "name", "background");
+
+			backg = MyStrdup(FindFilename(background));
+#ifdef WINDOWS
+			backg = Convert2UTF8(backg);
+#endif
+			cJSON_AddStringToObject(b_object, "filename", backg);
+			MyFree(backg);
+			backg = MyStrdup(background);
+#ifdef WINDOWS
+			backg = Convert2UTF8(backg);
+			ConvertPathForward(backg);
+#endif // WINDOWS			
+			cJSON_AddStringToObject(b_object, "copy-path", backg);
+			cJSON_AddStringToObject(b_object, "arch-path", dependencyDir);
+			MyFree(backg);
+			cJSON_AddNumberToObject(b_object, "size", GetLayoutBackGroundSize());
+			cJSON_AddNumberToObject(b_object, "pos-x", GetLayoutBackGroundPos().x);
+			cJSON_AddNumberToObject(b_object, "pos-y", GetLayoutBackGroundPos().y);
+			cJSON_AddNumberToObject(b_object, "screen", GetLayoutBackGroundScreen());
+			cJSON_AddNumberToObject(b_object, "angle", GetLayoutBackGroundAngle());
+			cJSON_AddItemToArray(dependencies, b_object);
+		}
+	}
+	char* json_Manifest = cJSON_Print(manifest);
+	cJSON_Delete(manifest);
+	return json_Manifest;
+}
+
+/**************************************************************************
+ * Pull in a Manifest File and extract values from it
+ * \param IN manifest - the full path to the mainifest.json file
+ * \param IN zip_directory - the path to the directory for extracted objects
+ *
+ * \returns - the layout filename
+ */
+
+char* ParseManifest(char* manifest, char* zip_directory)
+{
+	char* background_file[1] = { NULL };
+	char* layoutname;
+
+	char *oldLocale = SaveLocale("C");
+	cJSON* json_manifest = cJSON_Parse(manifest);
+	RestoreLocale(oldLocale);
+
+	cJSON* layout = cJSON_GetObjectItemCaseSensitive(json_manifest, "layout");
+	cJSON* name = cJSON_GetObjectItemCaseSensitive(layout, "name");
+	layoutname = cJSON_GetStringValue(name);
+#ifdef WINDOWS
+	ConvertUTF8ToSystem(layoutname);
+#endif // WINDOWS
+
+	LOG(log_zip, 1, ("Zip-Manifest %s \n", layoutname))
+#if DEBUG
+		fprintf(stderr, "Layout name %s \n", layoutname);
+#endif
+
+	cJSON* dependencies = cJSON_GetObjectItemCaseSensitive(json_manifest,
+		"dependencies");
+	cJSON* dependency;
+	cJSON_ArrayForEach(dependency, dependencies) {
+		cJSON* name = cJSON_GetObjectItemCaseSensitive(dependency, "name");
+		if (strcmp(cJSON_GetStringValue(name), "background") == 0) {
+			char *file;
+			char *path;
+			cJSON* filename = cJSON_GetObjectItemCaseSensitive(dependency, "filename");
+			cJSON* archpath = cJSON_GetObjectItemCaseSensitive(dependency, "arch-path");
+			file = MyStrdup(cJSON_GetStringValue(filename));
+			path = MyStrdup(cJSON_GetStringValue(archpath));
+#ifdef WINDOWS
+			ConvertUTF8ToSystem(file);
+			ConvertUTF8ToSystem(path);
+#endif
+			MakeFullpath(&background_file[0], zip_directory, path,
+				file, NULL);
+			MyFree(file);
+			MyFree(path);
+#if DEBUG
+			printf("Link to background image %s \n", background_file[0]);
+#endif
+			LoadImageFile(1, &background_file[0], NULL);
+			cJSON* size = cJSON_GetObjectItemCaseSensitive(dependency, "size");
+			SetLayoutBackGroundSize(size->valuedouble);
+			cJSON* posx = cJSON_GetObjectItemCaseSensitive(dependency, "pos-x");
+			cJSON* posy = cJSON_GetObjectItemCaseSensitive(dependency, "pos-y");
+			coOrd pos;
+			pos.x = posx->valuedouble;
+			pos.y = posy->valuedouble;
+			SetLayoutBackGroundPos(pos);
+			cJSON* screen = cJSON_GetObjectItemCaseSensitive(dependency, "screen");
+			SetLayoutBackGroundScreen((int)screen->valuedouble);
+			cJSON* angle = cJSON_GetObjectItemCaseSensitive(dependency, "angle");
+			SetLayoutBackGroundAngle(angle->valuedouble);
+			LayoutBackGroundSave();      //Force out Values	to override saved
+		}
+	}
+	char *str = NULL;
+	if (background_file[0]) {
+		free(background_file[0]);
+	}
+	if (layoutname) {
+		str = strdup(layoutname);
+	}
+	cJSON_Delete(json_manifest);
+	return str;
+}
+