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      1 #!/usr/bin/env python
      2 # Copyright (c) 2011 Google Inc. All rights reserved.
      3 #
      4 # Redistribution and use in source and binary forms, with or without
      5 # modification, are permitted provided that the following conditions are
      6 # met:
      7 # 
      8 #     * Redistributions of source code must retain the above copyright
      9 # notice, this list of conditions and the following disclaimer.
     10 #     * Redistributions in binary form must reproduce the above
     11 # copyright notice, this list of conditions and the following disclaimer
     12 # in the documentation and/or other materials provided with the
     13 # distribution.
     14 #     * Neither the name of Google Inc. nor the names of its
     15 # contributors may be used to endorse or promote products derived from
     16 # this software without specific prior written permission.
     17 # 
     18 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     19 # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
     20 # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
     21 # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
     22 # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     23 # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
     24 # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     25 # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     26 # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     27 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     28 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     29 
     30 import os.path
     31 import sys
     32 
     33 program_name = os.path.basename(__file__)
     34 if len(sys.argv) < 4 or sys.argv[1] != "-o":
     35     sys.stderr.write("Usage: %s -o OUTPUT_FILE INPUT_FILE\n" % program_name)
     36     exit(1)
     37 
     38 output_path = sys.argv[2]
     39 input_path = sys.argv[3]
     40 
     41 input_file = open(input_path, "r")
     42 json_string = input_file.read()
     43 json_string = json_string.replace(": true", ": True")
     44 json_string = json_string.replace(": false", ": false")
     45 json_api = eval(json_string)
     46 
     47 output_file = open(output_path, "w")
     48 output_file.write("""/*
     49  * Copyright (C) 2011 Google, Inc. All Rights Reserved.
     50  *
     51  * Redistribution and use in source and binary forms, with or without
     52  * modification, are permitted provided that the following conditions
     53  * are met:
     54  * 1. Redistributions of source code must retain the above copyright
     55  *    notice, this list of conditions and the following disclaimer.
     56  * 2. Redistributions in binary form must reproduce the above copyright
     57  *    notice, this list of conditions and the following disclaimer in the
     58  *    documentation and/or other materials provided with the distribution.
     59  *
     60  * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
     61  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     62  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     63  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
     64  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
     65  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
     66  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
     67  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
     68  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     69  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     70  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
     71  */
     72  
     73 module core {""")
     74 
     75 type_traits = {
     76     "string": "String",
     77     "integer": "int",
     78     "number": "double",
     79     "boolean": "boolean",
     80     "array": "Array",
     81     "object": "Object"
     82 }
     83 
     84 ref_types = {}
     85 
     86 macro_traits = {
     87     "Database": "DATABASE",
     88     "DOMStorage": "DOM_STORAGE",
     89     "ApplicationCache": "OFFLINE_WEB_APPLICATIONS",
     90     "Debugger": "JAVASCRIPT_DEBUGGER",
     91     "BrowserDebugger": "JAVASCRIPT_DEBUGGER",
     92     "Profiler": "JAVASCRIPT_DEBUGGER"
     93 }
     94 
     95 def full_qualified_type_id(domain_name, type_id):
     96     if type_id.find(".") == -1:
     97        return "%s.%s" % (domain_name, type_id)
     98     return type_id
     99     
    100 
    101 def param_type(domain_name, param):
    102     if "type" in param:
    103         return type_traits[param["type"]]
    104     if "$ref" in param:
    105         type_id = full_qualified_type_id(domain_name, param["$ref"])
    106         if type_id in ref_types:
    107             ref_type = ref_types[type_id]
    108             return type_traits[ref_type["type"]]
    109         else:
    110             return "Object"
    111 
    112 for domain in json_api:
    113     domain_name = domain["domain"]
    114     if domain_name in macro_traits:
    115         output_file.write("\n#if defined(ENABLE_%s) && ENABLE_%s" % (macro_traits[domain_name], macro_traits[domain_name]))
    116     output_file.write("\n    interface [Conditional=INSPECTOR] %s {" % domain_name)
    117 
    118     if "types" in domain:
    119         for type in domain["types"]:
    120             type_id = full_qualified_type_id(domain_name, type["id"])
    121             ref_types[type_id] = type;
    122 
    123     if "commands" in domain:
    124         for command in domain["commands"]:
    125             params = []
    126             if ("parameters" in command):
    127                 for in_param in command["parameters"]:
    128                     if ("optional" in in_param):
    129                         optional = " [optional]"
    130                     else:
    131                         optional = ""
    132                     params.append("in%s %s %s" % (optional, param_type(domain_name, in_param), in_param["name"]))
    133             if ("returns" in command):
    134                 for out_param in command["returns"]:
    135                     params.append("out %s %s" % (param_type(domain_name, out_param), out_param["name"]))
    136             output_file.write("\n        void %s(%s);" % (command["name"], ", ".join(params)))
    137 
    138     if "events" in domain:
    139         for event in domain["events"]:
    140             params = []
    141             if ("parameters" in event):
    142                 for in_param in event["parameters"]:
    143                     if ("optional" in in_param):
    144                         optional = " [optional]"
    145                     else:
    146                         optional = ""
    147                     params.append("out%s %s %s" % (optional, param_type(domain_name, in_param), in_param["name"]))
    148             output_file.write("\n        [event] void %s(%s);" % (event["name"], ", ".join(params)))
    149 
    150     output_file.write("\n    };")
    151     if domain["domain"] in macro_traits:
    152         output_file.write("\n#endif // ENABLE_%s" % macro_traits[domain["domain"]])
    153 output_file.write("\n}\n")
    154 output_file.close()
    155