cpp_bundle_generator.py revision 58537e28ecd584eab876aee8be7156509866d23a
12a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)# Copyright (c) 2012 The Chromium Authors. All rights reserved. 22a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)# Use of this source code is governed by a BSD-style license that can be 32a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)# found in the LICENSE file. 42a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 52a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)import code 62a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)import cpp_util 72a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)from model import Platforms 82a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)from schema_util import CapitalizeFirstLetter 92a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)from schema_util import JsFunctionNameToClassName 102a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 112a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)import json 122a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)import os 132a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)import re 142a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 152a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)# TODO(miket/asargent) - parameterize this. 162a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)SOURCE_BASE_PATH = 'chrome/common/extensions/api' 172a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 182a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)def _RemoveDescriptions(node): 192a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) """Returns a copy of |schema| with "description" fields removed. 202a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) """ 212a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if isinstance(node, dict): 222a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) result = {} 232a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) for key, value in node.items(): 242a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) # Some schemas actually have properties called "description", so only 252a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) # remove descriptions that have string values. 262a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if key == 'description' and isinstance(value, basestring): 272a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) continue 282a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) result[key] = _RemoveDescriptions(value) 292a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return result 302a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if isinstance(node, list): 312a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return [_RemoveDescriptions(v) for v in node] 322a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return node 332a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 3458537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) 352a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)class CppBundleGenerator(object): 362a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) """This class contains methods to generate code based on multiple schemas. 372a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) """ 382a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 392a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) def __init__(self, root, model, api_defs, cpp_type_generator, cpp_namespace): 4058537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) self._root = root 412a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) self._model = model 422a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) self._api_defs = api_defs 432a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) self._cpp_type_generator = cpp_type_generator 442a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) self._cpp_namespace = cpp_namespace 452a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 462a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) self.api_cc_generator = _APICCGenerator(self) 472a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) self.api_h_generator = _APIHGenerator(self) 482a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) self.schemas_cc_generator = _SchemasCCGenerator(self) 492a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) self.schemas_h_generator = _SchemasHGenerator(self) 502a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 512a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) def _GenerateHeader(self, file_base, body_code): 522a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) """Generates a code.Code object for a header file 532a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 542a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) Parameters: 552a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) - |file_base| - the base of the filename, e.g. 'foo' (for 'foo.h') 562a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) - |body_code| - the code to put in between the multiple inclusion guards""" 572a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) c = code.Code() 582a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) c.Append(cpp_util.CHROMIUM_LICENSE) 592a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) c.Append() 602a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) c.Append(cpp_util.GENERATED_BUNDLE_FILE_MESSAGE % SOURCE_BASE_PATH) 612a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) ifndef_name = cpp_util.GenerateIfndefName(SOURCE_BASE_PATH, file_base) 622a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) c.Append() 632a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) c.Append('#ifndef %s' % ifndef_name) 642a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) c.Append('#define %s' % ifndef_name) 652a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) c.Append() 662a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) c.Concat(body_code) 672a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) c.Append() 682a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) c.Append('#endif // %s' % ifndef_name) 692a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) c.Append() 702a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return c 712a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 722a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) def _GetPlatformIfdefs(self, model_object): 732a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) """Generates the "defined" conditional for an #if check if |model_object| 742a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) has platform restrictions. Returns None if there are no restrictions. 752a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) """ 762a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if model_object.platforms is None: 772a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return None 782a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) ifdefs = [] 792a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) for platform in model_object.platforms: 802a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if platform == Platforms.CHROMEOS: 812a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) ifdefs.append('defined(OS_CHROMEOS)') 822a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) else: 832a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) raise ValueError("Unsupported platform ifdef: %s" % platform.name) 842a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return ' and '.join(ifdefs) 852a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 862a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) def _GenerateRegisterFunctions(self, namespace_name, function): 872a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) c = code.Code() 882a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) function_ifdefs = self._GetPlatformIfdefs(function) 892a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if function_ifdefs is not None: 902a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) c.Append("#if %s" % function_ifdefs, indent_level=0) 912a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 922a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) function_name = JsFunctionNameToClassName(namespace_name, function.name) 932a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) c.Append("registry->RegisterFunction<%sFunction>();" % ( 942a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) function_name)) 952a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 962a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if function_ifdefs is not None: 972a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) c.Append("#endif // %s" % function_ifdefs, indent_level=0) 982a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return c 992a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 1002a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) def _GenerateFunctionRegistryRegisterAll(self): 1012a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) c = code.Code() 1022a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) c.Append('// static') 1032a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) c.Sblock('void GeneratedFunctionRegistry::RegisterAll(' 1042a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 'ExtensionFunctionRegistry* registry) {') 1052a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) for namespace in self._model.namespaces.values(): 1062a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) namespace_ifdefs = self._GetPlatformIfdefs(namespace) 1072a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if namespace_ifdefs is not None: 1082a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) c.Append("#if %s" % namespace_ifdefs, indent_level=0) 1092a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 1102a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) namespace_name = CapitalizeFirstLetter(namespace.name.replace( 1112a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) "experimental.", "")) 1122a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) for function in namespace.functions.values(): 1132a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if function.nocompile: 1142a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) continue 1152a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) c.Concat(self._GenerateRegisterFunctions(namespace.name, function)) 1162a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 1172a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) for type_ in namespace.types.values(): 1182a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) for function in type_.functions.values(): 1192a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if function.nocompile: 1202a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) continue 1212a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) namespace_types_name = JsFunctionNameToClassName( 1222a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) namespace.name, type_.name) 1232a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) c.Concat(self._GenerateRegisterFunctions(namespace_types_name, 1242a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) function)) 1252a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 1262a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if namespace_ifdefs is not None: 1272a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) c.Append("#endif // %s" % namespace_ifdefs, indent_level=0) 1282a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) c.Eblock("}") 1292a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return c 1302a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 13158537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) 1322a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)class _APIHGenerator(object): 1332a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) """Generates the header for API registration / declaration""" 1342a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) def __init__(self, cpp_bundle): 1352a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) self._bundle = cpp_bundle 1362a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 1372a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) def Generate(self, namespace): 1382a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) c = code.Code() 1392a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 1402a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) c.Append('#include <string>') 1412a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) c.Append() 1422a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) c.Append('#include "base/basictypes.h"') 1432a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) c.Append() 1442a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) c.Append("class ExtensionFunctionRegistry;") 1452a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) c.Append() 1462a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) c.Concat(cpp_util.OpenNamespace(self._bundle._cpp_namespace)) 1472a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) c.Append() 1482a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) c.Append('class GeneratedFunctionRegistry {') 1492a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) c.Sblock(' public:') 1502a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) c.Append('static void RegisterAll(' 1512a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 'ExtensionFunctionRegistry* registry);') 15258537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) c.Eblock('};') 1532a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) c.Append() 1542a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) c.Concat(cpp_util.CloseNamespace(self._bundle._cpp_namespace)) 1552a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return self._bundle._GenerateHeader('generated_api', c) 1562a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 15758537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) 1582a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)class _APICCGenerator(object): 1592a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) """Generates a code.Code object for the generated API .cc file""" 1602a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 1612a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) def __init__(self, cpp_bundle): 1622a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) self._bundle = cpp_bundle 1632a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 1642a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) def Generate(self, namespace): 1652a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) c = code.Code() 1662a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) c.Append(cpp_util.CHROMIUM_LICENSE) 1672a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) c.Append() 1682a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) c.Append('#include "%s"' % (os.path.join(SOURCE_BASE_PATH, 1692a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 'generated_api.h'))) 1702a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) c.Append() 1712a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) for namespace in self._bundle._model.namespaces.values(): 1722a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) namespace_name = namespace.unix_name.replace("experimental_", "") 1732a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) implementation_header = namespace.compiler_options.get( 1742a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) "implemented_in", 1752a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) "chrome/browser/extensions/api/%s/%s_api.h" % (namespace_name, 1762a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) namespace_name)) 1772a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if not os.path.exists( 1782a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) os.path.join(self._bundle._root, 1792a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) os.path.normpath(implementation_header))): 1802a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if "implemented_in" in namespace.compiler_options: 1812a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) raise ValueError('Header file for namespace "%s" specified in ' 1822a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 'compiler_options not found: %s' % 1832a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) (namespace.unix_name, implementation_header)) 1842a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) continue 1852a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) ifdefs = self._bundle._GetPlatformIfdefs(namespace) 1862a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if ifdefs is not None: 1872a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) c.Append("#if %s" % ifdefs, indent_level=0) 1882a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 1892a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) c.Append('#include "%s"' % implementation_header) 1902a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 1912a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if ifdefs is not None: 1922a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) c.Append("#endif // %s" % ifdefs, indent_level=0) 1932a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) c.Append() 1942a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) c.Append('#include ' 1952a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) '"chrome/browser/extensions/extension_function_registry.h"') 1962a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) c.Append() 1972a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) c.Concat(cpp_util.OpenNamespace(self._bundle._cpp_namespace)) 1982a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) c.Append() 1992a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) c.Concat(self._bundle._GenerateFunctionRegistryRegisterAll()) 2002a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) c.Append() 2012a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) c.Concat(cpp_util.CloseNamespace(self._bundle._cpp_namespace)) 2022a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) c.Append() 2032a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return c 2042a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 20558537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) 2062a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)class _SchemasHGenerator(object): 2072a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) """Generates a code.Code object for the generated schemas .h file""" 2082a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) def __init__(self, cpp_bundle): 2092a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) self._bundle = cpp_bundle 2102a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 2112a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) def Generate(self, namespace): 2122a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) c = code.Code() 2132a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) c.Append('#include <map>') 2142a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) c.Append('#include <string>') 21558537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) c.Append() 216c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) c.Append('#include "base/strings/string_piece.h"') 2172a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) c.Append() 2182a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) c.Concat(cpp_util.OpenNamespace(self._bundle._cpp_namespace)) 2192a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) c.Append() 2202a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) c.Append('class GeneratedSchemas {') 2212a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) c.Sblock(' public:') 2227d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) c.Append('// Determines if schema named |name| is generated.') 2237d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) c.Append('static bool IsGenerated(std::string name);') 2247d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) c.Append() 2257d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) c.Append('// Gets the API schema named |name|.') 2267d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) c.Append('static base::StringPiece Get(const std::string& name);') 22758537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) c.Eblock('};') 2282a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) c.Append() 2292a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) c.Concat(cpp_util.CloseNamespace(self._bundle._cpp_namespace)) 2302a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return self._bundle._GenerateHeader('generated_schemas', c) 2312a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 23258537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) 2337d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles)def _FormatNameAsConstant(name): 2347d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) """Formats a name to be a C++ constant of the form kConstantName""" 2357d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) name = '%s%s' % (name[0].upper(), name[1:]) 2367d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) return 'k%s' % re.sub('_[a-z]', 2377d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) lambda m: m.group(0)[1].upper(), 2387d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) name.replace('.', '_')) 2397d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) 24058537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) 2412a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)class _SchemasCCGenerator(object): 2422a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) """Generates a code.Code object for the generated schemas .cc file""" 2432a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 2442a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) def __init__(self, cpp_bundle): 2452a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) self._bundle = cpp_bundle 2462a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 2472a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) def Generate(self, namespace): 2482a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) c = code.Code() 2492a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) c.Append(cpp_util.CHROMIUM_LICENSE) 2502a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) c.Append() 2512a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) c.Append('#include "%s"' % (os.path.join(SOURCE_BASE_PATH, 2522a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 'generated_schemas.h'))) 2532a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) c.Append() 2547d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) c.Append('#include "base/lazy_instance.h"') 2552a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) c.Append() 2567d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) c.Append('namespace {') 2572a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) for api in self._bundle._api_defs: 2582a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) namespace = self._bundle._model.namespaces[api.get('namespace')] 2592a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) # JSON parsing code expects lists of schemas, so dump a singleton list. 2602a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) json_content = json.dumps([_RemoveDescriptions(api)], 2612a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) separators=(',', ':')) 2622a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) # Escape all double-quotes and backslashes. For this to output a valid 2632a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) # JSON C string, we need to escape \ and ". 2642a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) json_content = json_content.replace('\\', '\\\\').replace('"', '\\"') 2657d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) c.Append('const char %s[] = "%s";' % 2667d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) (_FormatNameAsConstant(namespace.name), json_content)) 2677d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) c.Append('}') 2687d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) c.Concat(cpp_util.OpenNamespace(self._bundle._cpp_namespace)) 2697d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) c.Append() 2707d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) c.Sblock('struct Static {') 2717d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) c.Sblock('Static() {') 2727d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) for api in self._bundle._api_defs: 2737d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) namespace = self._bundle._model.namespaces[api.get('namespace')] 2747d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) c.Append('schemas["%s"] = %s;' % (namespace.name, 2757d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) _FormatNameAsConstant(namespace.name))) 27658537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) c.Eblock('}') 2777d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) c.Append() 2787d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) c.Append('std::map<std::string, const char*> schemas;') 27958537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) c.Eblock('};') 2807d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) c.Append() 2817d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) c.Append('base::LazyInstance<Static> g_lazy_instance;') 2827d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) c.Append() 2837d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) c.Append('// static') 2847d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) c.Sblock('base::StringPiece GeneratedSchemas::Get(' 2857d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) 'const std::string& name) {') 2867d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) c.Append('return IsGenerated(name) ? ' 2877d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) 'g_lazy_instance.Get().schemas[name] : "";') 2887d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) c.Eblock('}') 2897d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) c.Append() 2907d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) c.Append('// static') 2917d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) c.Sblock('bool GeneratedSchemas::IsGenerated(std::string name) {') 2927d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) c.Append('return g_lazy_instance.Get().schemas.count(name) > 0;') 2932a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) c.Eblock('}') 2942a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) c.Append() 2952a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) c.Concat(cpp_util.CloseNamespace(self._bundle._cpp_namespace)) 2962a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) c.Append() 2972a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return c 298