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Diffstat (limited to 'tests/projects/plugins/project/src/python/samples/strfile.py')
| -rw-r--r-- | tests/projects/plugins/project/src/python/samples/strfile.py | 100 |
1 files changed, 100 insertions, 0 deletions
diff --git a/tests/projects/plugins/project/src/python/samples/strfile.py b/tests/projects/plugins/project/src/python/samples/strfile.py new file mode 100644 index 00000000000..ca15a607c21 --- /dev/null +++ b/tests/projects/plugins/project/src/python/samples/strfile.py @@ -0,0 +1,100 @@ + +# strfile.py -- write an index file for a fortune file, as the strfile(8) +# program in the BSD-games package does +# +# Copyright (c) 2010, Andrew M. Kuchling +# +# Permission is hereby granted, free of charge, to any person obtaining a copy +# of this software and associated documentation files (the "Software"), to deal +# in the Software without restriction, including without limitation the rights +# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +# copies of the Software, and to permit persons to whom the Software is +# furnished to do so, subject to the following conditions: +# +# The above copyright notice and this permission notice shall be included in +# all copies or substantial portions of the Software. +# +# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +# THE SOFTWARE. + +import struct, string, sys + +if len(sys.argv)==1: + print "Usage: strfile.py <filename>" + sys.exit() + +# C long variables are different sizes on 32-bit and 64-bit machines, +# so we have to measure how big they are on the machine where this is running. +LONG_SIZE = struct.calcsize('L') +is_64_bit = (LONG_SIZE == 8) + +delimiter = '%' # The standard delimiter + +filename = sys.argv[1] +input = open(filename, 'r') +output = open(filename + '.dat', 'w') +output.seek(LONG_SIZE * 6) # Skip over the header for now + +# Output a 32- or 64-bit integer + +def write_long(x): + if is_64_bit: + output.write( struct.pack("!LL", x & 0xffffFFFFL, x >> 32) ) + else: + output.write( struct.pack("!L", x) ) + +write_long(0) # Write the first pointer + +# We need to track various statistics: the longest and shortest +# quotations, and their number + +shortest = sys.maxint ; longest = 0 +numstr = 0 +quotation = "" + +while (1): + L=input.readline() # Get a line + if L=="": break # Check for end-of-file + if string.strip(L) != delimiter: + # We haven't come to the end yet, so we just add the line to + # the quotation we're building and continue + quotation = quotation + L ; continue + + # If there's a leading % in the file, the first quotation will be + # empty; we'll just ignore it + if quotation == "": continue + + # Update the shortest and longest variables + shortest = min(shortest, len(quotation) ) + longest = max(longest, len(quotation) ) + + # Output the current file pointer + write_long( input.tell() ) + numstr = numstr + 1 + quotation = "" # Reset the quotation to null + +# To simplify the programming, we'll assume there's a trailing % line +# in the file, with no quotation following. +assert quotation == "" + +input.close() + +# We're done, so rewind to the beginning of the file and write the header +output.seek(0) +write_long( 1 ) # Version +write_long(numstr) # Number of strings +write_long(longest) # Longest string length +write_long(shortest) # Shortest string length +write_long(0) # Flags; we'll set them to zero +output.write(delimiter + '\0'*(LONG_SIZE-1)) +output.close() + +print '''"%s.dat" created +There were %i strings +Longest string: %i bytes +Shortest string: %i bytes''' % (filename, numstr, longest, shortest) |