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/** \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;
}
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