1 /**
2 	JSON format support for PackageRecipe
3 
4 	Copyright: © 2012-2014 rejectedsoftware e.K.
5 	License: Subject to the terms of the MIT license, as written in the included LICENSE.txt file.
6 	Authors: Sönke Ludwig, Matthias Dondorff
7 */
8 module dub.recipe.json;
9 
10 import dub.compilers.compiler;
11 import dub.dependency;
12 import dub.recipe.packagerecipe;
13 
14 import dub.internal.vibecompat.data.json;
15 
16 import std.algorithm : canFind, startsWith;
17 import std.conv : to;
18 import std.exception : enforce;
19 import std.range;
20 import std.string : format, indexOf;
21 import std.traits : EnumMembers;
22 
23 
24 void parseJson(ref PackageRecipe recipe, Json json, string parent_name)
25 {
26 	foreach (string field, value; json) {
27 		switch (field) {
28 			default: break;
29 			case "name": recipe.name = value.get!string; break;
30 			case "version": recipe.version_ = value.get!string; break;
31 			case "description": recipe.description = value.get!string; break;
32 			case "homepage": recipe.homepage = value.get!string; break;
33 			case "authors": recipe.authors = deserializeJson!(string[])(value); break;
34 			case "copyright": recipe.copyright = value.get!string; break;
35 			case "license": recipe.license = value.get!string; break;
36 			case "configurations": break; // handled below, after the global settings have been parsed
37 			case "buildTypes":
38 				foreach (string name, settings; value) {
39 					BuildSettingsTemplate bs;
40 					bs.parseJson(settings, null);
41 					recipe.buildTypes[name] = bs;
42 				}
43 				break;
44 			case "toolchainRequirements":
45 				recipe.toolchainRequirements.parseJson(value);
46 				break;
47 			case "-ddoxFilterArgs": recipe.ddoxFilterArgs = deserializeJson!(string[])(value); break;
48 			case "-ddoxTool": recipe.ddoxTool = value.get!string; break;
49 		}
50 	}
51 
52 	enforce(recipe.name.length > 0, "The package \"name\" field is missing or empty.");
53 
54 	auto fullname = parent_name.length ? parent_name ~ ":" ~ recipe.name : recipe.name;
55 
56 	// parse build settings
57 	recipe.buildSettings.parseJson(json, fullname);
58 
59 	if (auto pv = "configurations" in json) {
60 		TargetType deftargettp = TargetType.library;
61 		if (recipe.buildSettings.targetType != TargetType.autodetect)
62 			deftargettp = recipe.buildSettings.targetType;
63 
64 		foreach (settings; *pv) {
65 			ConfigurationInfo ci;
66 			ci.parseJson(settings, recipe.name, deftargettp);
67 			recipe.configurations ~= ci;
68 		}
69 	}
70 
71 	// parse any sub packages after the main package has been fully parsed
72 	if (auto ps = "subPackages" in json)
73 		recipe.parseSubPackages(fullname, ps.opt!(Json[]));
74 }
75 
76 Json toJson(in ref PackageRecipe recipe)
77 {
78 	auto ret = recipe.buildSettings.toJson();
79 	ret["name"] = recipe.name;
80 	if (!recipe.version_.empty) ret["version"] = recipe.version_;
81 	if (!recipe.description.empty) ret["description"] = recipe.description;
82 	if (!recipe.homepage.empty) ret["homepage"] = recipe.homepage;
83 	if (!recipe.authors.empty) ret["authors"] = serializeToJson(recipe.authors);
84 	if (!recipe.copyright.empty) ret["copyright"] = recipe.copyright;
85 	if (!recipe.license.empty) ret["license"] = recipe.license;
86 	if (!recipe.subPackages.empty) {
87 		Json[] jsonSubPackages = new Json[recipe.subPackages.length];
88 		foreach (i, subPackage; recipe.subPackages) {
89 			if (subPackage.path !is null) {
90 				jsonSubPackages[i] = Json(subPackage.path);
91 			} else {
92 				jsonSubPackages[i] = subPackage.recipe.toJson();
93 			}
94 		}
95 		ret["subPackages"] = jsonSubPackages;
96 	}
97 	if (recipe.configurations.length) {
98 		Json[] configs;
99 		foreach(config; recipe.configurations)
100 			configs ~= config.toJson();
101 		ret["configurations"] = configs;
102 	}
103 	if (recipe.buildTypes.length) {
104 		Json[string] types;
105 		foreach (name, settings; recipe.buildTypes)
106 			types[name] = settings.toJson();
107 		ret["buildTypes"] = types;
108 	}
109 	if (!recipe.toolchainRequirements.empty) {
110 		ret["toolchainRequirements"] = recipe.toolchainRequirements.toJson();
111 	}
112 	if (!recipe.ddoxFilterArgs.empty) ret["-ddoxFilterArgs"] = recipe.ddoxFilterArgs.serializeToJson();
113 	if (!recipe.ddoxTool.empty) ret["-ddoxTool"] = recipe.ddoxTool;
114 	return ret;
115 }
116 
117 private void parseSubPackages(ref PackageRecipe recipe, string parent_package_name, Json[] subPackagesJson)
118 {
119 	enforce(!parent_package_name.canFind(":"), format("'subPackages' found in '%s'. This is only supported in the main package file for '%s'.",
120 		parent_package_name, getBasePackageName(parent_package_name)));
121 
122 	recipe.subPackages = new SubPackage[subPackagesJson.length];
123 	foreach (i, subPackageJson; subPackagesJson) {
124 		// Handle referenced Packages
125 		if(subPackageJson.type == Json.Type..string) {
126 			string subpath = subPackageJson.get!string;
127 			recipe.subPackages[i] = SubPackage(subpath, PackageRecipe.init);
128 		} else {
129 			PackageRecipe subinfo;
130 			subinfo.parseJson(subPackageJson, parent_package_name);
131 			recipe.subPackages[i] = SubPackage(null, subinfo);
132 		}
133 	}
134 }
135 
136 private void parseJson(ref ConfigurationInfo config, Json json, string package_name, TargetType default_target_type = TargetType.library)
137 {
138 	config.buildSettings.targetType = default_target_type;
139 
140 	foreach (string name, value; json) {
141 		switch (name) {
142 			default: break;
143 			case "name":
144 				config.name = value.get!string;
145 				enforce(!config.name.empty, "Configurations must have a non-empty name.");
146 				break;
147 			case "platforms": config.platforms = deserializeJson!(string[])(value); break;
148 		}
149 	}
150 
151 	enforce(!config.name.empty, "Configuration is missing a name.");
152 	config.buildSettings.parseJson(json, package_name);
153 }
154 
155 private Json toJson(in ref ConfigurationInfo config)
156 {
157 	auto ret = config.buildSettings.toJson();
158 	ret["name"] = config.name;
159 	if (config.platforms.length) ret["platforms"] = serializeToJson(config.platforms);
160 	return ret;
161 }
162 
163 private void parseJson(ref BuildSettingsTemplate bs, Json json, string package_name)
164 {
165 	foreach(string name, value; json)
166 	{
167 		auto idx = indexOf(name, "-");
168 		string basename, suffix;
169 		if( idx >= 0 ) { basename = name[0 .. idx]; suffix = name[idx .. $]; }
170 		else basename = name;
171 		switch(basename){
172 			default: break;
173 			case "dependencies":
174 				foreach (string pkg, verspec; value) {
175 					if (pkg.startsWith(":")) {
176 						enforce(!package_name.canFind(':'), format("Short-hand packages syntax not allowed within sub packages: %s -> %s", package_name, pkg));
177 						pkg = package_name ~ pkg;
178 					}
179 					enforce(pkg !in bs.dependencies, "The dependency '"~pkg~"' is specified more than once." );
180 					bs.dependencies[pkg] = deserializeJson!Dependency(verspec);
181 				}
182 				break;
183 			case "systemDependencies":
184 				bs.systemDependencies = value.get!string;
185 				break;
186 			case "targetType":
187 				enforce(suffix.empty, "targetType does not support platform customization.");
188 				bs.targetType = value.get!string.to!TargetType;
189 				break;
190 			case "targetPath":
191 				enforce(suffix.empty, "targetPath does not support platform customization.");
192 				bs.targetPath = value.get!string;
193 				break;
194 			case "targetName":
195 				enforce(suffix.empty, "targetName does not support platform customization.");
196 				bs.targetName = value.get!string;
197 				break;
198 			case "workingDirectory":
199 				enforce(suffix.empty, "workingDirectory does not support platform customization.");
200 				bs.workingDirectory = value.get!string;
201 				break;
202 			case "mainSourceFile":
203 				enforce(suffix.empty, "mainSourceFile does not support platform customization.");
204 				bs.mainSourceFile = value.get!string;
205 				break;
206 			case "subConfigurations":
207 				enforce(suffix.empty, "subConfigurations does not support platform customization.");
208 				bs.subConfigurations = deserializeJson!(string[string])(value);
209 				break;
210 			case "dflags": bs.dflags[suffix] = deserializeJson!(string[])(value); break;
211 			case "lflags": bs.lflags[suffix] = deserializeJson!(string[])(value); break;
212 			case "libs": bs.libs[suffix] = deserializeJson!(string[])(value); break;
213 			case "files":
214 			case "sourceFiles": bs.sourceFiles[suffix] = deserializeJson!(string[])(value); break;
215 			case "sourcePaths": bs.sourcePaths[suffix] = deserializeJson!(string[])(value); break;
216 			case "sourcePath": bs.sourcePaths[suffix] ~= [value.get!string]; break; // deprecated
217 			case "excludedSourceFiles": bs.excludedSourceFiles[suffix] = deserializeJson!(string[])(value); break;
218 			case "copyFiles": bs.copyFiles[suffix] = deserializeJson!(string[])(value); break;
219 			case "extraDependencyFiles": bs.extraDependencyFiles[suffix] = deserializeJson!(string[])(value); break;
220 			case "versions": bs.versions[suffix] = deserializeJson!(string[])(value); break;
221 			case "debugVersions": bs.debugVersions[suffix] = deserializeJson!(string[])(value); break;
222 			case "-versionFilters": bs.versionFilters[suffix] = deserializeJson!(string[])(value); break;
223 			case "-debugVersionFilters": bs.debugVersionFilters[suffix] = deserializeJson!(string[])(value); break;
224 			case "importPaths": bs.importPaths[suffix] = deserializeJson!(string[])(value); break;
225 			case "stringImportPaths": bs.stringImportPaths[suffix] = deserializeJson!(string[])(value); break;
226 			case "preGenerateCommands": bs.preGenerateCommands[suffix] = deserializeJson!(string[])(value); break;
227 			case "postGenerateCommands": bs.postGenerateCommands[suffix] = deserializeJson!(string[])(value); break;
228 			case "preBuildCommands": bs.preBuildCommands[suffix] = deserializeJson!(string[])(value); break;
229 			case "postBuildCommands": bs.postBuildCommands[suffix] = deserializeJson!(string[])(value); break;
230 			case "preRunCommands": bs.preRunCommands[suffix] = deserializeJson!(string[])(value); break;
231 			case "postRunCommands": bs.postRunCommands[suffix] = deserializeJson!(string[])(value); break;
232 			case "buildRequirements":
233 				BuildRequirements reqs;
234 				foreach (req; deserializeJson!(string[])(value))
235 					reqs |= to!BuildRequirement(req);
236 				bs.buildRequirements[suffix] = reqs;
237 				break;
238 			case "buildOptions":
239 				BuildOptions options;
240 				foreach (opt; deserializeJson!(string[])(value))
241 					options |= to!BuildOption(opt);
242 				bs.buildOptions[suffix] = options;
243 				break;
244 		}
245 	}
246 }
247 
248 private Json toJson(in ref BuildSettingsTemplate bs)
249 {
250 	auto ret = Json.emptyObject;
251 	if( bs.dependencies !is null ){
252 		auto deps = Json.emptyObject;
253 		foreach( pack, d; bs.dependencies )
254 			deps[pack] = serializeToJson(d);
255 		ret["dependencies"] = deps;
256 	}
257 	if (bs.systemDependencies !is null) ret["systemDependencies"] = bs.systemDependencies;
258 	if (bs.targetType != TargetType.autodetect) ret["targetType"] = bs.targetType.to!string();
259 	if (!bs.targetPath.empty) ret["targetPath"] = bs.targetPath;
260 	if (!bs.targetName.empty) ret["targetName"] = bs.targetName;
261 	if (!bs.workingDirectory.empty) ret["workingDirectory"] = bs.workingDirectory;
262 	if (!bs.mainSourceFile.empty) ret["mainSourceFile"] = bs.mainSourceFile;
263 	if (bs.subConfigurations.length > 0) ret["subConfigurations"] = serializeToJson(bs.subConfigurations);
264 	foreach (suffix, arr; bs.dflags) ret["dflags"~suffix] = serializeToJson(arr);
265 	foreach (suffix, arr; bs.lflags) ret["lflags"~suffix] = serializeToJson(arr);
266 	foreach (suffix, arr; bs.libs) ret["libs"~suffix] = serializeToJson(arr);
267 	foreach (suffix, arr; bs.sourceFiles) ret["sourceFiles"~suffix] = serializeToJson(arr);
268 	foreach (suffix, arr; bs.sourcePaths) ret["sourcePaths"~suffix] = serializeToJson(arr);
269 	foreach (suffix, arr; bs.excludedSourceFiles) ret["excludedSourceFiles"~suffix] = serializeToJson(arr);
270 	foreach (suffix, arr; bs.copyFiles) ret["copyFiles"~suffix] = serializeToJson(arr);
271 	foreach (suffix, arr; bs.extraDependencyFiles) ret["extraDependencyFiles"~suffix] = serializeToJson(arr);
272 	foreach (suffix, arr; bs.versions) ret["versions"~suffix] = serializeToJson(arr);
273 	foreach (suffix, arr; bs.debugVersions) ret["debugVersions"~suffix] = serializeToJson(arr);
274 	foreach (suffix, arr; bs.versionFilters) ret["-versionFilters"~suffix] = serializeToJson(arr);
275 	foreach (suffix, arr; bs.debugVersionFilters) ret["-debugVersionFilters"~suffix] = serializeToJson(arr);
276 	foreach (suffix, arr; bs.importPaths) ret["importPaths"~suffix] = serializeToJson(arr);
277 	foreach (suffix, arr; bs.stringImportPaths) ret["stringImportPaths"~suffix] = serializeToJson(arr);
278 	foreach (suffix, arr; bs.preGenerateCommands) ret["preGenerateCommands"~suffix] = serializeToJson(arr);
279 	foreach (suffix, arr; bs.postGenerateCommands) ret["postGenerateCommands"~suffix] = serializeToJson(arr);
280 	foreach (suffix, arr; bs.preBuildCommands) ret["preBuildCommands"~suffix] = serializeToJson(arr);
281 	foreach (suffix, arr; bs.postBuildCommands) ret["postBuildCommands"~suffix] = serializeToJson(arr);
282 	foreach (suffix, arr; bs.preRunCommands) ret["preRunCommands"~suffix] = serializeToJson(arr);
283 	foreach (suffix, arr; bs.postRunCommands) ret["postRunCommands"~suffix] = serializeToJson(arr);
284 	foreach (suffix, arr; bs.buildRequirements) {
285 		string[] val;
286 		foreach (i; [EnumMembers!BuildRequirement])
287 			if (arr & i) val ~= to!string(i);
288 		ret["buildRequirements"~suffix] = serializeToJson(val);
289 	}
290 	foreach (suffix, arr; bs.buildOptions) {
291 		string[] val;
292 		foreach (i; [EnumMembers!BuildOption])
293 			if (arr & i) val ~= to!string(i);
294 		ret["buildOptions"~suffix] = serializeToJson(val);
295 	}
296 	return ret;
297 }
298 
299 private void parseJson(ref ToolchainRequirements tr, Json json)
300 {
301 	foreach (string name, value; json)
302 		tr.addRequirement(name, value.get!string);
303 }
304 
305 private Json toJson(in ref ToolchainRequirements tr)
306 {
307 	auto ret = Json.emptyObject;
308 	if (tr.dub != Dependency.any) ret["dub"] = serializeToJson(tr.dub);
309 	if (tr.frontend != Dependency.any) ret["frontend"] = serializeToJson(tr.frontend);
310 	if (tr.dmd != Dependency.any) ret["dmd"] = serializeToJson(tr.dmd);
311 	if (tr.ldc != Dependency.any) ret["ldc"] = serializeToJson(tr.ldc);
312 	if (tr.gdc != Dependency.any) ret["gdc"] = serializeToJson(tr.gdc);
313 	return ret;
314 }