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Diffstat (limited to 'xcode/Scripts/versiongenerate.py')
-rw-r--r-- | xcode/Scripts/versiongenerate.py | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/xcode/Scripts/versiongenerate.py b/xcode/Scripts/versiongenerate.py new file mode 100644 index 0000000..3b19a96 --- /dev/null +++ b/xcode/Scripts/versiongenerate.py @@ -0,0 +1,71 @@ +#/usr/bin/python + +"""A script to prepare version informtion for use the gtest Info.plist file. + + This script extracts the version information from the configure.ac file and + uses it to generate a header file containing the same information. The + #defines in this header file will be included in during the generation of + the Info.plist of the framework, giving the correct value to the version + shown in the Finder. + + This script makes the following assumptions (these are faults of the script, + not problems with the Autoconf): + 1. The AC_INIT macro will be contained within the first 1024 characters + of configure.ac + 2. The version string will be 3 integers separated by periods and will be + surrounded by squre brackets, "[" and "]" (e.g. [1.0.1]). The first + segment represents the major version, the second represents the minor + version and the third represents the fix version. + 3. No ")" character exists between the opening "(" and closing ")" of + AC_INIT, including in comments and character strings. +""" + +import sys +import re + +# Read the command line argument (the output directory for Version.h) +if (len(sys.argv) < 3): + print "Usage: /usr/bin/python versiongenerate.py input_dir output_dir" + sys.exit(1) +else: + input_dir = sys.argv[1] + output_dir = sys.argv[2] + +# Read the first 1024 characters of the configure.ac file +config_file = open("%s/configure.ac" % input_dir, 'r') +buffer_size = 1024 +opening_string = config_file.read(buffer_size) +config_file.close() + +# Extract the version string from the AC_INIT macro +# The following init_expression means: +# Extract three integers separated by periods and surrounded by squre +# brackets(e.g. "[1.0.1]") between "AC_INIT(" and ")". Do not be greedy +# (*? is the non-greedy flag) since that would pull in everything between +# the first "(" and the last ")" in the file. +version_expression = re.compile(r"AC_INIT\(.*?\[(\d+)\.(\d+)\.(\d+)\].*?\)", + re.DOTALL) +version_values = version_expression.search(opening_string) +major_version = version_values.group(1) +minor_version = version_values.group(2) +fix_version = version_values.group(3) + +# Write the version information to a header file to be included in the +# Info.plist file. +file_data = """// +// DO NOT MODIFY THIS FILE (but you can delete it) +// +// This file is autogenerated by the versiongenerate.py script. This script +// is executed in a "Run Script" build phase when creating gtest.framework. This +// header file is not used during compilation of C-source. Rather, it simply +// defines some version strings for substitution in the Info.plist. Because of +// this, we are not not restricted to C-syntax nor are we using include guards. +// + +#define GTEST_VERSIONINFO_SHORT %s.%s +#define GTEST_VERSIONINFO_LONG %s.%s.%s + +""" % (major_version, minor_version, major_version, minor_version, fix_version) +version_file = open("%s/Version.h" % output_dir, 'w') +version_file.write(file_data) +version_file.close() |