From 733e1b1507d27d4f53055f740e8098f56215ab8f Mon Sep 17 00:00:00 2001
From: Chris Dyer <cdyer@cs.cmu.edu>
Date: Fri, 27 Jul 2012 17:31:00 -0400
Subject: remove old suffix array extractor (use the one in python/ instead)

---
 sa-extract/calignment.pyx | 128 ----------------------------------------------
 1 file changed, 128 deletions(-)
 delete mode 100644 sa-extract/calignment.pyx

(limited to 'sa-extract/calignment.pyx')

diff --git a/sa-extract/calignment.pyx b/sa-extract/calignment.pyx
deleted file mode 100644
index 976fcd66..00000000
--- a/sa-extract/calignment.pyx
+++ /dev/null
@@ -1,128 +0,0 @@
-import log
-import gzip
-import cintlist
-
-from libc.stdio cimport FILE, fopen, fread, fwrite, fclose
-from libc.stdlib cimport malloc, realloc, free
-
-# Note: Callison-Burch uses short instead of int.  
-# We have the space for our corpus, so this is not a problem;
-# May need to revisit if things get really tight, though.
-cdef class Alignment:
-
-
-	cdef int link(self, int i, int j):
-		'''Integerizes an alignment link pair'''
-		return i*65536 + j
-
-
-	def unlink(self, link):
-		'''De-integerizes an alignment link pair'''
-		return (link/65536, link%65536)
-
-
-	cdef _unlink(self, int link, int* f, int* e):
-		f[0] = link/65536
-		e[0] = link%65536
-
-
-	def get_sent_links(self, int sent_id):
-		cdef cintlist.CIntList sent_links
-		cdef int* arr
-		cdef int arr_len
-
-		sent_links = cintlist.CIntList()
-		arr = self._get_sent_links(sent_id, &arr_len)
-		sent_links._extend_arr(arr, arr_len*2)
-		free(arr)
-		return sent_links
-
-
-	cdef int* _get_sent_links(self, int sent_id, int* num_links):
-		cdef int* sent_links
-		cdef int i, start, end
-
-		start = self.sent_index.arr[sent_id]
-		end = self.sent_index.arr[sent_id+1]
-		num_links[0] = end - start
-		sent_links = <int*> malloc(2*num_links[0]*sizeof(int))
-		for i from 0 <= i < num_links[0]:
-			self._unlink(self.links.arr[start + i], sent_links + (2*i), sent_links + (2*i) + 1)
-		return sent_links
-
-
-	def __cinit__(self, filename, from_binary=False):
-		self.links = cintlist.CIntList(1000,1000)
-		self.sent_index = cintlist.CIntList(1000,1000)
-		log.writeln("Reading alignment from file %s" % filename)
-		if from_binary:
-			self.read_binary(filename)
-		else:
-			self.read_text(filename)
-
-
-	def read_text(self, filename):
-		if filename[-2:] == "gz":
-			f = gzip.GzipFile(filename)
-		else:
-			f = open(filename)
-		for line in f:
-			self.sent_index.append(len(self.links))
-			pairs = line.split()
-			for pair in pairs:
-				(i, j) = map(int, pair.split('-'))
-				self.links.append(self.link(i, j))
-		self.sent_index.append(len(self.links))
-
-
-	def read_binary(self, filename):
-		cdef FILE* f
-		cdef bytes bfilename = filename
-		cdef char* cfilename = bfilename
-		f = fopen(cfilename, "r")
-		self.links.read_handle(f)
-		self.sent_index.read_handle(f)
-		fclose(f)
-
-
-	def write_text(self, filename):
-		f = open(filename, "w")
-		sent_num = 0
-		for i, link in enumerate(self.links):
-			while i >= self.sent_index[sent_num]:
-				f.write("\n")
-				sent_num = sent_num + 1
-			f.write("%d-%d " % self.unlink(link))
-		f.write("\n")
-
-
-	def write_binary(self, filename):
-		cdef FILE* f
-		cdef bytes bfilename = filename
-		cdef char* cfilename = bfilename
-		f = fopen(cfilename, "w")
-		self.links.write_handle(f)
-		self.sent_index.write_handle(f)
-		fclose(f)
-
-
-	def write_enhanced(self, filename):
-		f = open(filename, "w")
-		sent_num = 1
-		for link in self.links:
-			f.write("%d " % link)
-		f.write("\n")
-		for i in self.sent_index:
-			f.write("%d " % i)
-		f.write("\n")
-
-
-	def alignment(self, i):
-		'''Return all (e,f) pairs for sentence i'''
-		cdef int j, start, end
-		result = []
-		start = self.sent_index.arr[i]
-		end = self.sent_index.arr[i+1]
-		for j from start <= j < end:
-			result.append(self.unlink(self.links.arr[j]))
-		return result
-- 
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