init repo.

third_party/jsoncpp/amalgamate.py

@@ -0,0 +1,161 @@
+#!/usr/bin/env python
+
+"""Amalgamate json-cpp library sources into a single source and header file.
+
+Works with python2.6+ and python3.4+.
+
+Example of invocation (must be invoked from json-cpp top directory):
+python amalgamate.py
+"""
+import os
+import os.path
+import sys
+
+INCLUDE_PATH = "include/json"
+SRC_PATH = "src/lib_json"
+
+class AmalgamationFile:
+    def __init__(self, top_dir):
+        self.top_dir = top_dir
+        self.blocks = []
+
+    def add_text(self, text):
+        if not text.endswith("\n"):
+            text += "\n"
+        self.blocks.append(text)
+
+    def add_file(self, relative_input_path, wrap_in_comment=False):
+        def add_marker(prefix):
+            self.add_text("")
+            self.add_text("// " + "/"*70)
+            self.add_text("// %s of content of file: %s" % (prefix, relative_input_path.replace("\\","/")))
+            self.add_text("// " + "/"*70)
+            self.add_text("")
+        add_marker("Beginning")
+        f = open(os.path.join(self.top_dir, relative_input_path), "rt")
+        content = f.read()
+        if wrap_in_comment:
+            content = "/*\n" + content + "\n*/"
+        self.add_text(content)
+        f.close()
+        add_marker("End")
+        self.add_text("\n\n\n\n")
+
+    def get_value(self):
+        return "".join(self.blocks).replace("\r\n","\n")
+
+    def write_to(self, output_path):
+        output_dir = os.path.dirname(output_path)
+        if output_dir and not os.path.isdir(output_dir):
+            os.makedirs(output_dir)
+        f = open(output_path, "wb")
+        f.write(str.encode(self.get_value(), 'UTF-8'))
+        f.close()
+
+def amalgamate_source(source_top_dir=None,
+                       target_source_path=None,
+                       header_include_path=None):
+    """Produces amalgamated source.
+       Parameters:
+           source_top_dir: top-directory
+           target_source_path: output .cpp path
+           header_include_path: generated header path relative to target_source_path.
+    """
+    print("Amalgamating header...")
+    header = AmalgamationFile(source_top_dir)
+    header.add_text("/// Json-cpp amalgamated header (http://jsoncpp.sourceforge.net/).")
+    header.add_text('/// It is intended to be used with #include "%s"' % header_include_path)
+    header.add_file("LICENSE", wrap_in_comment=True)
+    header.add_text("#ifndef JSON_AMALGAMATED_H_INCLUDED")
+    header.add_text("# define JSON_AMALGAMATED_H_INCLUDED")
+    header.add_text("/// If defined, indicates that the source file is amalgamated")
+    header.add_text("/// to prevent private header inclusion.")
+    header.add_text("#define JSON_IS_AMALGAMATION")
+    header.add_file(os.path.join(INCLUDE_PATH, "version.h"))
+    header.add_file(os.path.join(INCLUDE_PATH, "allocator.h"))
+    header.add_file(os.path.join(INCLUDE_PATH, "config.h"))
+    header.add_file(os.path.join(INCLUDE_PATH, "forwards.h"))
+    header.add_file(os.path.join(INCLUDE_PATH, "json_features.h"))
+    header.add_file(os.path.join(INCLUDE_PATH, "value.h"))
+    header.add_file(os.path.join(INCLUDE_PATH, "reader.h"))
+    header.add_file(os.path.join(INCLUDE_PATH, "writer.h"))
+    header.add_file(os.path.join(INCLUDE_PATH, "assertions.h"))
+    header.add_text("#endif //ifndef JSON_AMALGAMATED_H_INCLUDED")
+
+    target_header_path = os.path.join(os.path.dirname(target_source_path), header_include_path)
+    print("Writing amalgamated header to %r" % target_header_path)
+    header.write_to(target_header_path)
+
+    base, ext = os.path.splitext(header_include_path)
+    forward_header_include_path = base + "-forwards" + ext
+    print("Amalgamating forward header...")
+    header = AmalgamationFile(source_top_dir)
+    header.add_text("/// Json-cpp amalgamated forward header (http://jsoncpp.sourceforge.net/).")
+    header.add_text('/// It is intended to be used with #include "%s"' % forward_header_include_path)
+    header.add_text("/// This header provides forward declaration for all JsonCpp types.")
+    header.add_file("LICENSE", wrap_in_comment=True)
+    header.add_text("#ifndef JSON_FORWARD_AMALGAMATED_H_INCLUDED")
+    header.add_text("# define JSON_FORWARD_AMALGAMATED_H_INCLUDED")
+    header.add_text("/// If defined, indicates that the source file is amalgamated")
+    header.add_text("/// to prevent private header inclusion.")
+    header.add_text("#define JSON_IS_AMALGAMATION")
+    header.add_file(os.path.join(INCLUDE_PATH, "version.h"))
+    header.add_file(os.path.join(INCLUDE_PATH, "allocator.h"))
+    header.add_file(os.path.join(INCLUDE_PATH, "config.h"))
+    header.add_file(os.path.join(INCLUDE_PATH, "forwards.h"))
+    header.add_text("#endif //ifndef JSON_FORWARD_AMALGAMATED_H_INCLUDED")
+
+    target_forward_header_path = os.path.join(os.path.dirname(target_source_path),
+                                               forward_header_include_path)
+    print("Writing amalgamated forward header to %r" % target_forward_header_path)
+    header.write_to(target_forward_header_path)
+
+    print("Amalgamating source...")
+    source = AmalgamationFile(source_top_dir)
+    source.add_text("/// Json-cpp amalgamated source (http://jsoncpp.sourceforge.net/).")
+    source.add_text('/// It is intended to be used with #include "%s"' % header_include_path)
+    source.add_file("LICENSE", wrap_in_comment=True)
+    source.add_text("")
+    source.add_text('#include "%s"' % header_include_path)
+    source.add_text("""
+#ifndef JSON_IS_AMALGAMATION
+#error "Compile with -I PATH_TO_JSON_DIRECTORY"
+#endif
+""")
+    source.add_text("")
+    source.add_file(os.path.join(SRC_PATH, "json_tool.h"))
+    source.add_file(os.path.join(SRC_PATH, "json_reader.cpp"))
+    source.add_file(os.path.join(SRC_PATH, "json_valueiterator.inl"))
+    source.add_file(os.path.join(SRC_PATH, "json_value.cpp"))
+    source.add_file(os.path.join(SRC_PATH, "json_writer.cpp"))
+
+    print("Writing amalgamated source to %r" % target_source_path)
+    source.write_to(target_source_path)
+
+def main():
+    usage = """%prog [options]
+Generate a single amalgamated source and header file from the sources.
+"""
+    from optparse import OptionParser
+    parser = OptionParser(usage=usage)
+    parser.allow_interspersed_args = False
+    parser.add_option("-s", "--source", dest="target_source_path", action="store", default="dist/jsoncpp.cpp",
+        help="""Output .cpp source path. [Default: %default]""")
+    parser.add_option("-i", "--include", dest="header_include_path", action="store", default="json/json.h",
+        help="""Header include path. Used to include the header from the amalgamated source file. [Default: %default]""")
+    parser.add_option("-t", "--top-dir", dest="top_dir", action="store", default=os.getcwd(),
+        help="""Source top-directory. [Default: %default]""")
+    parser.enable_interspersed_args()
+    options, args = parser.parse_args()
+
+    msg = amalgamate_source(source_top_dir=options.top_dir,
+                             target_source_path=options.target_source_path,
+                             header_include_path=options.header_include_path)
+    if msg:
+        sys.stderr.write(msg + "\n")
+        sys.exit(1)
+    else:
+        print("Source successfully amalgamated")
+
+if __name__ == "__main__":
+    main()