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Diffstat (limited to 'node_modules/mmmagic/build/gyp-mac-tool')
| -rwxr-xr-x | node_modules/mmmagic/build/gyp-mac-tool | 772 |
1 files changed, 772 insertions, 0 deletions
diff --git a/node_modules/mmmagic/build/gyp-mac-tool b/node_modules/mmmagic/build/gyp-mac-tool new file mode 100755 index 0000000..ffef860 --- /dev/null +++ b/node_modules/mmmagic/build/gyp-mac-tool @@ -0,0 +1,772 @@ +#!/usr/bin/env python3 +# Generated by gyp. Do not edit. +# Copyright (c) 2012 Google Inc. All rights reserved. +# Use of this source code is governed by a BSD-style license that can be +# found in the LICENSE file. + +"""Utility functions to perform Xcode-style build steps. + +These functions are executed via gyp-mac-tool when using the Makefile generator. +""" + + +import fcntl +import fnmatch +import glob +import json +import os +import plistlib +import re +import shutil +import struct +import subprocess +import sys +import tempfile + + +def main(args): + executor = MacTool() + exit_code = executor.Dispatch(args) + if exit_code is not None: + sys.exit(exit_code) + + +class MacTool: + """This class performs all the Mac tooling steps. The methods can either be + executed directly, or dispatched from an argument list.""" + + def Dispatch(self, args): + """Dispatches a string command to a method.""" + if len(args) < 1: + raise Exception("Not enough arguments") + + method = "Exec%s" % self._CommandifyName(args[0]) + return getattr(self, method)(*args[1:]) + + def _CommandifyName(self, name_string): + """Transforms a tool name like copy-info-plist to CopyInfoPlist""" + return name_string.title().replace("-", "") + + def ExecCopyBundleResource(self, source, dest, convert_to_binary): + """Copies a resource file to the bundle/Resources directory, performing any + necessary compilation on each resource.""" + convert_to_binary = convert_to_binary == "True" + extension = os.path.splitext(source)[1].lower() + if os.path.isdir(source): + # Copy tree. + # TODO(thakis): This copies file attributes like mtime, while the + # single-file branch below doesn't. This should probably be changed to + # be consistent with the single-file branch. + if os.path.exists(dest): + shutil.rmtree(dest) + shutil.copytree(source, dest) + elif extension == ".xib": + return self._CopyXIBFile(source, dest) + elif extension == ".storyboard": + return self._CopyXIBFile(source, dest) + elif extension == ".strings" and not convert_to_binary: + self._CopyStringsFile(source, dest) + else: + if os.path.exists(dest): + os.unlink(dest) + shutil.copy(source, dest) + + if convert_to_binary and extension in (".plist", ".strings"): + self._ConvertToBinary(dest) + + def _CopyXIBFile(self, source, dest): + """Compiles a XIB file with ibtool into a binary plist in the bundle.""" + + # ibtool sometimes crashes with relative paths. See crbug.com/314728. + base = os.path.dirname(os.path.realpath(__file__)) + if os.path.relpath(source): + source = os.path.join(base, source) + if os.path.relpath(dest): + dest = os.path.join(base, dest) + + args = ["xcrun", "ibtool", "--errors", "--warnings", "--notices"] + + if os.environ["XCODE_VERSION_ACTUAL"] > "0700": + args.extend(["--auto-activate-custom-fonts"]) + if "IPHONEOS_DEPLOYMENT_TARGET" in os.environ: + args.extend( + [ + "--target-device", + "iphone", + "--target-device", + "ipad", + "--minimum-deployment-target", + os.environ["IPHONEOS_DEPLOYMENT_TARGET"], + ] + ) + else: + args.extend( + [ + "--target-device", + "mac", + "--minimum-deployment-target", + os.environ["MACOSX_DEPLOYMENT_TARGET"], + ] + ) + + args.extend( + ["--output-format", "human-readable-text", "--compile", dest, source] + ) + + ibtool_section_re = re.compile(r"/\*.*\*/") + ibtool_re = re.compile(r".*note:.*is clipping its content") + try: + stdout = subprocess.check_output(args) + except subprocess.CalledProcessError as e: + print(e.output) + raise + current_section_header = None + for line in stdout.splitlines(): + if ibtool_section_re.match(line): + current_section_header = line + elif not ibtool_re.match(line): + if current_section_header: + print(current_section_header) + current_section_header = None + print(line) + return 0 + + def _ConvertToBinary(self, dest): + subprocess.check_call( + ["xcrun", "plutil", "-convert", "binary1", "-o", dest, dest] + ) + + def _CopyStringsFile(self, source, dest): + """Copies a .strings file using iconv to reconvert the input into UTF-16.""" + input_code = self._DetectInputEncoding(source) or "UTF-8" + + # Xcode's CpyCopyStringsFile / builtin-copyStrings seems to call + # CFPropertyListCreateFromXMLData() behind the scenes; at least it prints + # CFPropertyListCreateFromXMLData(): Old-style plist parser: missing + # semicolon in dictionary. + # on invalid files. Do the same kind of validation. + import CoreFoundation + + with open(source, "rb") as in_file: + s = in_file.read() + d = CoreFoundation.CFDataCreate(None, s, len(s)) + _, error = CoreFoundation.CFPropertyListCreateFromXMLData(None, d, 0, None) + if error: + return + + with open(dest, "wb") as fp: + fp.write(s.decode(input_code).encode("UTF-16")) + + def _DetectInputEncoding(self, file_name): + """Reads the first few bytes from file_name and tries to guess the text + encoding. Returns None as a guess if it can't detect it.""" + with open(file_name, "rb") as fp: + try: + header = fp.read(3) + except Exception: + return None + if header.startswith(b"\xFE\xFF"): + return "UTF-16" + elif header.startswith(b"\xFF\xFE"): + return "UTF-16" + elif header.startswith(b"\xEF\xBB\xBF"): + return "UTF-8" + else: + return None + + def ExecCopyInfoPlist(self, source, dest, convert_to_binary, *keys): + """Copies the |source| Info.plist to the destination directory |dest|.""" + # Read the source Info.plist into memory. + with open(source) as fd: + lines = fd.read() + + # Insert synthesized key/value pairs (e.g. BuildMachineOSBuild). + plist = plistlib.readPlistFromString(lines) + if keys: + plist.update(json.loads(keys[0])) + lines = plistlib.writePlistToString(plist) + + # Go through all the environment variables and replace them as variables in + # the file. + IDENT_RE = re.compile(r"[_/\s]") + for key in os.environ: + if key.startswith("_"): + continue + evar = "${%s}" % key + evalue = os.environ[key] + lines = lines.replace(lines, evar, evalue) + + # Xcode supports various suffices on environment variables, which are + # all undocumented. :rfc1034identifier is used in the standard project + # template these days, and :identifier was used earlier. They are used to + # convert non-url characters into things that look like valid urls -- + # except that the replacement character for :identifier, '_' isn't valid + # in a URL either -- oops, hence :rfc1034identifier was born. + evar = "${%s:identifier}" % key + evalue = IDENT_RE.sub("_", os.environ[key]) + lines = lines.replace(lines, evar, evalue) + + evar = "${%s:rfc1034identifier}" % key + evalue = IDENT_RE.sub("-", os.environ[key]) + lines = lines.replace(lines, evar, evalue) + + # Remove any keys with values that haven't been replaced. + lines = lines.splitlines() + for i in range(len(lines)): + if lines[i].strip().startswith("<string>${"): + lines[i] = None + lines[i - 1] = None + lines = "\n".join(line for line in lines if line is not None) + + # Write out the file with variables replaced. + with open(dest, "w") as fd: + fd.write(lines) + + # Now write out PkgInfo file now that the Info.plist file has been + # "compiled". + self._WritePkgInfo(dest) + + if convert_to_binary == "True": + self._ConvertToBinary(dest) + + def _WritePkgInfo(self, info_plist): + """This writes the PkgInfo file from the data stored in Info.plist.""" + plist = plistlib.readPlist(info_plist) + if not plist: + return + + # Only create PkgInfo for executable types. + package_type = plist["CFBundlePackageType"] + if package_type != "APPL": + return + + # The format of PkgInfo is eight characters, representing the bundle type + # and bundle signature, each four characters. If that is missing, four + # '?' characters are used instead. + signature_code = plist.get("CFBundleSignature", "????") + if len(signature_code) != 4: # Wrong length resets everything, too. + signature_code = "?" * 4 + + dest = os.path.join(os.path.dirname(info_plist), "PkgInfo") + with open(dest, "w") as fp: + fp.write(f"{package_type}{signature_code}") + + def ExecFlock(self, lockfile, *cmd_list): + """Emulates the most basic behavior of Linux's flock(1).""" + # Rely on exception handling to report errors. + fd = os.open(lockfile, os.O_RDONLY | os.O_NOCTTY | os.O_CREAT, 0o666) + fcntl.flock(fd, fcntl.LOCK_EX) + return subprocess.call(cmd_list) + + def ExecFilterLibtool(self, *cmd_list): + """Calls libtool and filters out '/path/to/libtool: file: foo.o has no + symbols'.""" + libtool_re = re.compile( + r"^.*libtool: (?:for architecture: \S* )?" r"file: .* has no symbols$" + ) + libtool_re5 = re.compile( + r"^.*libtool: warning for library: " + + r".* the table of contents is empty " + + r"\(no object file members in the library define global symbols\)$" + ) + env = os.environ.copy() + # Ref: + # http://www.opensource.apple.com/source/cctools/cctools-809/misc/libtool.c + # The problem with this flag is that it resets the file mtime on the file to + # epoch=0, e.g. 1970-1-1 or 1969-12-31 depending on timezone. + env["ZERO_AR_DATE"] = "1" + libtoolout = subprocess.Popen(cmd_list, stderr=subprocess.PIPE, env=env) + err = libtoolout.communicate()[1].decode("utf-8") + for line in err.splitlines(): + if not libtool_re.match(line) and not libtool_re5.match(line): + print(line, file=sys.stderr) + # Unconditionally touch the output .a file on the command line if present + # and the command succeeded. A bit hacky. + if not libtoolout.returncode: + for i in range(len(cmd_list) - 1): + if cmd_list[i] == "-o" and cmd_list[i + 1].endswith(".a"): + os.utime(cmd_list[i + 1], None) + break + return libtoolout.returncode + + def ExecPackageIosFramework(self, framework): + # Find the name of the binary based on the part before the ".framework". + binary = os.path.basename(framework).split(".")[0] + module_path = os.path.join(framework, "Modules") + if not os.path.exists(module_path): + os.mkdir(module_path) + module_template = ( + "framework module %s {\n" + ' umbrella header "%s.h"\n' + "\n" + " export *\n" + " module * { export * }\n" + "}\n" % (binary, binary) + ) + + with open(os.path.join(module_path, "module.modulemap"), "w") as module_file: + module_file.write(module_template) + + def ExecPackageFramework(self, framework, version): + """Takes a path to Something.framework and the Current version of that and + sets up all the symlinks.""" + # Find the name of the binary based on the part before the ".framework". + binary = os.path.basename(framework).split(".")[0] + + CURRENT = "Current" + RESOURCES = "Resources" + VERSIONS = "Versions" + + if not os.path.exists(os.path.join(framework, VERSIONS, version, binary)): + # Binary-less frameworks don't seem to contain symlinks (see e.g. + # chromium's out/Debug/org.chromium.Chromium.manifest/ bundle). + return + + # Move into the framework directory to set the symlinks correctly. + pwd = os.getcwd() + os.chdir(framework) + + # Set up the Current version. + self._Relink(version, os.path.join(VERSIONS, CURRENT)) + + # Set up the root symlinks. + self._Relink(os.path.join(VERSIONS, CURRENT, binary), binary) + self._Relink(os.path.join(VERSIONS, CURRENT, RESOURCES), RESOURCES) + + # Back to where we were before! + os.chdir(pwd) + + def _Relink(self, dest, link): + """Creates a symlink to |dest| named |link|. If |link| already exists, + it is overwritten.""" + if os.path.lexists(link): + os.remove(link) + os.symlink(dest, link) + + def ExecCompileIosFrameworkHeaderMap(self, out, framework, *all_headers): + framework_name = os.path.basename(framework).split(".")[0] + all_headers = [os.path.abspath(header) for header in all_headers] + filelist = {} + for header in all_headers: + filename = os.path.basename(header) + filelist[filename] = header + filelist[os.path.join(framework_name, filename)] = header + WriteHmap(out, filelist) + + def ExecCopyIosFrameworkHeaders(self, framework, *copy_headers): + header_path = os.path.join(framework, "Headers") + if not os.path.exists(header_path): + os.makedirs(header_path) + for header in copy_headers: + shutil.copy(header, os.path.join(header_path, os.path.basename(header))) + + def ExecCompileXcassets(self, keys, *inputs): + """Compiles multiple .xcassets files into a single .car file. + + This invokes 'actool' to compile all the inputs .xcassets files. The + |keys| arguments is a json-encoded dictionary of extra arguments to + pass to 'actool' when the asset catalogs contains an application icon + or a launch image. + + Note that 'actool' does not create the Assets.car file if the asset + catalogs does not contains imageset. + """ + command_line = [ + "xcrun", + "actool", + "--output-format", + "human-readable-text", + "--compress-pngs", + "--notices", + "--warnings", + "--errors", + ] + is_iphone_target = "IPHONEOS_DEPLOYMENT_TARGET" in os.environ + if is_iphone_target: + platform = os.environ["CONFIGURATION"].split("-")[-1] + if platform not in ("iphoneos", "iphonesimulator"): + platform = "iphonesimulator" + command_line.extend( + [ + "--platform", + platform, + "--target-device", + "iphone", + "--target-device", + "ipad", + "--minimum-deployment-target", + os.environ["IPHONEOS_DEPLOYMENT_TARGET"], + "--compile", + os.path.abspath(os.environ["CONTENTS_FOLDER_PATH"]), + ] + ) + else: + command_line.extend( + [ + "--platform", + "macosx", + "--target-device", + "mac", + "--minimum-deployment-target", + os.environ["MACOSX_DEPLOYMENT_TARGET"], + "--compile", + os.path.abspath(os.environ["UNLOCALIZED_RESOURCES_FOLDER_PATH"]), + ] + ) + if keys: + keys = json.loads(keys) + for key, value in keys.items(): + arg_name = "--" + key + if isinstance(value, bool): + if value: + command_line.append(arg_name) + elif isinstance(value, list): + for v in value: + command_line.append(arg_name) + command_line.append(str(v)) + else: + command_line.append(arg_name) + command_line.append(str(value)) + # Note: actool crashes if inputs path are relative, so use os.path.abspath + # to get absolute path name for inputs. + command_line.extend(map(os.path.abspath, inputs)) + subprocess.check_call(command_line) + + def ExecMergeInfoPlist(self, output, *inputs): + """Merge multiple .plist files into a single .plist file.""" + merged_plist = {} + for path in inputs: + plist = self._LoadPlistMaybeBinary(path) + self._MergePlist(merged_plist, plist) + plistlib.writePlist(merged_plist, output) + + def ExecCodeSignBundle(self, key, entitlements, provisioning, path, preserve): + """Code sign a bundle. + + This function tries to code sign an iOS bundle, following the same + algorithm as Xcode: + 1. pick the provisioning profile that best match the bundle identifier, + and copy it into the bundle as embedded.mobileprovision, + 2. copy Entitlements.plist from user or SDK next to the bundle, + 3. code sign the bundle. + """ + substitutions, overrides = self._InstallProvisioningProfile( + provisioning, self._GetCFBundleIdentifier() + ) + entitlements_path = self._InstallEntitlements( + entitlements, substitutions, overrides + ) + + args = ["codesign", "--force", "--sign", key] + if preserve == "True": + args.extend(["--deep", "--preserve-metadata=identifier,entitlements"]) + else: + args.extend(["--entitlements", entitlements_path]) + args.extend(["--timestamp=none", path]) + subprocess.check_call(args) + + def _InstallProvisioningProfile(self, profile, bundle_identifier): + """Installs embedded.mobileprovision into the bundle. + + Args: + profile: string, optional, short name of the .mobileprovision file + to use, if empty or the file is missing, the best file installed + will be used + bundle_identifier: string, value of CFBundleIdentifier from Info.plist + + Returns: + A tuple containing two dictionary: variables substitutions and values + to overrides when generating the entitlements file. + """ + source_path, provisioning_data, team_id = self._FindProvisioningProfile( + profile, bundle_identifier + ) + target_path = os.path.join( + os.environ["BUILT_PRODUCTS_DIR"], + os.environ["CONTENTS_FOLDER_PATH"], + "embedded.mobileprovision", + ) + shutil.copy2(source_path, target_path) + substitutions = self._GetSubstitutions(bundle_identifier, team_id + ".") + return substitutions, provisioning_data["Entitlements"] + + def _FindProvisioningProfile(self, profile, bundle_identifier): + """Finds the .mobileprovision file to use for signing the bundle. + + Checks all the installed provisioning profiles (or if the user specified + the PROVISIONING_PROFILE variable, only consult it) and select the most + specific that correspond to the bundle identifier. + + Args: + profile: string, optional, short name of the .mobileprovision file + to use, if empty or the file is missing, the best file installed + will be used + bundle_identifier: string, value of CFBundleIdentifier from Info.plist + + Returns: + A tuple of the path to the selected provisioning profile, the data of + the embedded plist in the provisioning profile and the team identifier + to use for code signing. + + Raises: + SystemExit: if no .mobileprovision can be used to sign the bundle. + """ + profiles_dir = os.path.join( + os.environ["HOME"], "Library", "MobileDevice", "Provisioning Profiles" + ) + if not os.path.isdir(profiles_dir): + print( + "cannot find mobile provisioning for %s" % (bundle_identifier), + file=sys.stderr, + ) + sys.exit(1) + provisioning_profiles = None + if profile: + profile_path = os.path.join(profiles_dir, profile + ".mobileprovision") + if os.path.exists(profile_path): + provisioning_profiles = [profile_path] + if not provisioning_profiles: + provisioning_profiles = glob.glob( + os.path.join(profiles_dir, "*.mobileprovision") + ) + valid_provisioning_profiles = {} + for profile_path in provisioning_profiles: + profile_data = self._LoadProvisioningProfile(profile_path) + app_id_pattern = profile_data.get("Entitlements", {}).get( + "application-identifier", "" + ) + for team_identifier in profile_data.get("TeamIdentifier", []): + app_id = f"{team_identifier}.{bundle_identifier}" + if fnmatch.fnmatch(app_id, app_id_pattern): + valid_provisioning_profiles[app_id_pattern] = ( + profile_path, + profile_data, + team_identifier, + ) + if not valid_provisioning_profiles: + print( + "cannot find mobile provisioning for %s" % (bundle_identifier), + file=sys.stderr, + ) + sys.exit(1) + # If the user has multiple provisioning profiles installed that can be + # used for ${bundle_identifier}, pick the most specific one (ie. the + # provisioning profile whose pattern is the longest). + selected_key = max(valid_provisioning_profiles, key=lambda v: len(v)) + return valid_provisioning_profiles[selected_key] + + def _LoadProvisioningProfile(self, profile_path): + """Extracts the plist embedded in a provisioning profile. + + Args: + profile_path: string, path to the .mobileprovision file + + Returns: + Content of the plist embedded in the provisioning profile as a dictionary. + """ + with tempfile.NamedTemporaryFile() as temp: + subprocess.check_call( + ["security", "cms", "-D", "-i", profile_path, "-o", temp.name] + ) + return self._LoadPlistMaybeBinary(temp.name) + + def _MergePlist(self, merged_plist, plist): + """Merge |plist| into |merged_plist|.""" + for key, value in plist.items(): + if isinstance(value, dict): + merged_value = merged_plist.get(key, {}) + if isinstance(merged_value, dict): + self._MergePlist(merged_value, value) + merged_plist[key] = merged_value + else: + merged_plist[key] = value + else: + merged_plist[key] = value + + def _LoadPlistMaybeBinary(self, plist_path): + """Loads into a memory a plist possibly encoded in binary format. + + This is a wrapper around plistlib.readPlist that tries to convert the + plist to the XML format if it can't be parsed (assuming that it is in + the binary format). + + Args: + plist_path: string, path to a plist file, in XML or binary format + + Returns: + Content of the plist as a dictionary. + """ + try: + # First, try to read the file using plistlib that only supports XML, + # and if an exception is raised, convert a temporary copy to XML and + # load that copy. + return plistlib.readPlist(plist_path) + except Exception: + pass + with tempfile.NamedTemporaryFile() as temp: + shutil.copy2(plist_path, temp.name) + subprocess.check_call(["plutil", "-convert", "xml1", temp.name]) + return plistlib.readPlist(temp.name) + + def _GetSubstitutions(self, bundle_identifier, app_identifier_prefix): + """Constructs a dictionary of variable substitutions for Entitlements.plist. + + Args: + bundle_identifier: string, value of CFBundleIdentifier from Info.plist + app_identifier_prefix: string, value for AppIdentifierPrefix + + Returns: + Dictionary of substitutions to apply when generating Entitlements.plist. + """ + return { + "CFBundleIdentifier": bundle_identifier, + "AppIdentifierPrefix": app_identifier_prefix, + } + + def _GetCFBundleIdentifier(self): + """Extracts CFBundleIdentifier value from Info.plist in the bundle. + + Returns: + Value of CFBundleIdentifier in the Info.plist located in the bundle. + """ + info_plist_path = os.path.join( + os.environ["TARGET_BUILD_DIR"], os.environ["INFOPLIST_PATH"] + ) + info_plist_data = self._LoadPlistMaybeBinary(info_plist_path) + return info_plist_data["CFBundleIdentifier"] + + def _InstallEntitlements(self, entitlements, substitutions, overrides): + """Generates and install the ${BundleName}.xcent entitlements file. + + Expands variables "$(variable)" pattern in the source entitlements file, + add extra entitlements defined in the .mobileprovision file and the copy + the generated plist to "${BundlePath}.xcent". + + Args: + entitlements: string, optional, path to the Entitlements.plist template + to use, defaults to "${SDKROOT}/Entitlements.plist" + substitutions: dictionary, variable substitutions + overrides: dictionary, values to add to the entitlements + + Returns: + Path to the generated entitlements file. + """ + source_path = entitlements + target_path = os.path.join( + os.environ["BUILT_PRODUCTS_DIR"], os.environ["PRODUCT_NAME"] + ".xcent" + ) + if not source_path: + source_path = os.path.join(os.environ["SDKROOT"], "Entitlements.plist") + shutil.copy2(source_path, target_path) + data = self._LoadPlistMaybeBinary(target_path) + data = self._ExpandVariables(data, substitutions) + if overrides: + for key in overrides: + if key not in data: + data[key] = overrides[key] + plistlib.writePlist(data, target_path) + return target_path + + def _ExpandVariables(self, data, substitutions): + """Expands variables "$(variable)" in data. + + Args: + data: object, can be either string, list or dictionary + substitutions: dictionary, variable substitutions to perform + + Returns: + Copy of data where each references to "$(variable)" has been replaced + by the corresponding value found in substitutions, or left intact if + the key was not found. + """ + if isinstance(data, str): + for key, value in substitutions.items(): + data = data.replace("$(%s)" % key, value) + return data + if isinstance(data, list): + return [self._ExpandVariables(v, substitutions) for v in data] + if isinstance(data, dict): + return {k: self._ExpandVariables(data[k], substitutions) for k in data} + return data + + +def NextGreaterPowerOf2(x): + return 2 ** (x).bit_length() + + +def WriteHmap(output_name, filelist): + """Generates a header map based on |filelist|. + + Per Mark Mentovai: + A header map is structured essentially as a hash table, keyed by names used + in #includes, and providing pathnames to the actual files. + + The implementation below and the comment above comes from inspecting: + http://www.opensource.apple.com/source/distcc/distcc-2503/distcc_dist/include_server/headermap.py?txt + while also looking at the implementation in clang in: + https://llvm.org/svn/llvm-project/cfe/trunk/lib/Lex/HeaderMap.cpp + """ + magic = 1751998832 + version = 1 + _reserved = 0 + count = len(filelist) + capacity = NextGreaterPowerOf2(count) + strings_offset = 24 + (12 * capacity) + max_value_length = max(len(value) for value in filelist.values()) + + out = open(output_name, "wb") + out.write( + struct.pack( + "<LHHLLLL", + magic, + version, + _reserved, + strings_offset, + count, + capacity, + max_value_length, + ) + ) + + # Create empty hashmap buckets. + buckets = [None] * capacity + for file, path in filelist.items(): + key = 0 + for c in file: + key += ord(c.lower()) * 13 + + # Fill next empty bucket. + while buckets[key & capacity - 1] is not None: + key = key + 1 + buckets[key & capacity - 1] = (file, path) + + next_offset = 1 + for bucket in buckets: + if bucket is None: + out.write(struct.pack("<LLL", 0, 0, 0)) + else: + (file, path) = bucket + key_offset = next_offset + prefix_offset = key_offset + len(file) + 1 + suffix_offset = prefix_offset + len(os.path.dirname(path) + os.sep) + 1 + next_offset = suffix_offset + len(os.path.basename(path)) + 1 + out.write(struct.pack("<LLL", key_offset, prefix_offset, suffix_offset)) + + # Pad byte since next offset starts at 1. + out.write(struct.pack("<x")) + + for bucket in buckets: + if bucket is not None: + (file, path) = bucket + out.write(struct.pack("<%ds" % len(file), file)) + out.write(struct.pack("<s", "\0")) + base = os.path.dirname(path) + os.sep + out.write(struct.pack("<%ds" % len(base), base)) + out.write(struct.pack("<s", "\0")) + path = os.path.basename(path) + out.write(struct.pack("<%ds" % len(path), path)) + out.write(struct.pack("<s", "\0")) + + +if __name__ == "__main__": + sys.exit(main(sys.argv[1:])) |