blob: 7dd735d9c01803c3d6e4dac35ddeb9bcbf9dbaa0 [file] [log] [blame]
// Copyright 2014 The Flutter Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// @dart = 2.8
import 'project.dart';
/// Extracts the `BINARY_NAME` from a project's CMake file.
///
/// Returns `null` if it cannot be found.
String getCmakeExecutableName(CmakeBasedProject project) {
if (!project.cmakeFile.existsSync()) {
return null;
}
final RegExp nameSetPattern = RegExp(r'^\s*set\(BINARY_NAME\s*"(.*)"\s*\)\s*$');
for (final String line in project.cmakeFile.readAsLinesSync()) {
final RegExpMatch match = nameSetPattern.firstMatch(line);
if (match != null) {
return match.group(1);
}
}
return null;
}
String _escapeBackslashes(String s) {
return s.replaceAll(r'\', r'\\');
}
/// Writes a generated CMake configuration file for [project], including
/// variables expected by the build template and an environment variable list
/// for calling back into Flutter.
void writeGeneratedCmakeConfig(String flutterRoot, CmakeBasedProject project, Map<String, String> environment) {
// Only a limited set of variables are needed by the CMake files themselves,
// the rest are put into a list to pass to the re-entrant build step.
final String escapedFlutterRoot = _escapeBackslashes(flutterRoot);
final String escapedProjectDir = _escapeBackslashes(project.parent.directory.path);
final StringBuffer buffer = StringBuffer('''
# Generated code do not commit.
file(TO_CMAKE_PATH "$escapedFlutterRoot" FLUTTER_ROOT)
file(TO_CMAKE_PATH "$escapedProjectDir" PROJECT_DIR)
# Environment variables to pass to tool_backend.sh
list(APPEND FLUTTER_TOOL_ENVIRONMENT
"FLUTTER_ROOT=$escapedFlutterRoot"
"PROJECT_DIR=$escapedProjectDir"
''');
for (final String key in environment.keys) {
final String value = _escapeBackslashes(environment[key]);
buffer.writeln(' "$key=$value"');
}
buffer.writeln(')');
project.generatedCmakeConfigFile
..createSync(recursive: true)
..writeAsStringSync(buffer.toString());
}