add swig interface for python and test codes

git-svn-id: http://kldp.net/svn/hangul/libhangul/trunk@197 8f00fcd2-89fc-0310-932e-b01be5b65e01

5 files changed, 144 insertions, 0 deletions

diff --git a/bindings/python_swig/Makefile b/bindings/python_swig/Makefile
new file mode 100644
index 0000000..759128a
--- /dev/null
+++ b/bindings/python_swig/Makefile
@@ -0,0 +1,22 @@
+TARGET=_hangul.so
+SWIG=swig
+CC=gcc
+PYTHON_CFLAGS=`python-config --cflags`
+PYTHON_LIBS=`python-config --libs`
+HANGUL_CFLAGS=`pkg-config --cflags libhangul`
+HANGUL_LIBS=`pkg-config --libs libhangul`
+CFLAGS+=-O2 -Wall
+
+all: $(TARGET)
+
+hangul_wrap.c: hangul.i
+	$(SWIG) $(HANGUL_CFLAGS) -python hangul.i
+
+hangul_wrap.o: hangul_wrap.c
+	$(CC) $(CFLAGS) $(PYTHON_CFLAGS) $(HANGUL_CFLAGS) -c -fPIC -o $@ $<
+
+_hangul.so: hangul_wrap.o
+	$(CC) -shared -o $@ $< $(HANGUL_LIBS) 
+
+clean:
+	rm -f *.o *_wrap.c hangul.py* $(TARGET)
diff --git a/bindings/python_swig/hangul.i b/bindings/python_swig/hangul.i
new file mode 100644
index 0000000..8b21020
--- /dev/null
+++ b/bindings/python_swig/hangul.i
@@ -0,0 +1,78 @@
+%module hangul
+%{
+#include "hangul.h"
+#include <iconv.h>
+
+/* FIXME - to avoid undifined symbol error */
+ucschar hangul_choseong_to_jamo(ucschar ch) { return 0; }
+ucschar hangul_jungseong_to_jamo(ucschar ch) { return 0; }
+ucschar hangul_jongseong_to_jamo(ucschar ch) { return 0; }
+int hanja_table_txt_to_bin(const char* txtfilename, const char* binfilename)
+{ return 0; }
+
+#ifdef WORDS_BIGENDIAN
+#define UCS4 "UCS-4BE"
+#else
+#define UCS4 "UCS-4LE"
+#endif
+
+void ucs4_to_utf8(char *buf, const ucschar *ucs4, size_t bufsize)
+{
+    size_t n;
+    char*  inbuf;
+    size_t inbytesleft;
+    char*  outbuf;
+    size_t outbytesleft;
+    size_t ret;
+    iconv_t cd;
+
+    for (n = 0; ucs4[n] != 0; n++)
+        continue;
+
+    if (n == 0) {
+        buf[0] = '\0';
+        return;
+    }
+
+    cd = iconv_open("UTF-8", UCS4);
+    if (cd == (iconv_t)(-1))
+        return;
+
+    inbuf = (char*)ucs4;
+    inbytesleft = n * 4;
+    outbuf = buf;
+    outbytesleft = bufsize;
+    ret = iconv(cd, &inbuf, &inbytesleft, &outbuf, &outbytesleft);
+
+    iconv_close(cd);
+
+    if (outbytesleft > 0)
+        *outbuf = '\0';
+    else
+        buf[bufsize - 1] = '\0';
+}
+
+
+%}
+
+%typemap(out) const ucschar* {
+    char commit[32] = { '\0', };
+    ucs4_to_utf8(commit, $1, sizeof(commit));
+    $result = PyString_FromString(commit);
+}
+
+%typemap(out) ucschar {
+    $result = Py_BuildValue("I", $1);
+}
+
+%typemap(in) ucschar {
+    if(!PyInt_Check($input)) {
+        PyErr_SetString(PyExc_ValueError, "Expected a int");
+        return NULL;
+    }
+    $1 = (ucschar)PyInt_AS_LONG($input);
+}
+
+
+
+%include "hangul.h"
diff --git a/bindings/python_swig/test_hangul.py b/bindings/python_swig/test_hangul.py
new file mode 100644
index 0000000..240e244
--- /dev/null
+++ b/bindings/python_swig/test_hangul.py
@@ -0,0 +1,20 @@
+from hangul import *
+import sys
+
+hic = hangul_ic_new("2")
+
+for ascii in raw_input():
+    ret = hangul_ic_process(hic, ord(ascii))
+    commit = hangul_ic_get_commit_string(hic)
+    if len(commit)>0:
+        sys.stdout.write(commit)
+    if not ret:
+        sys.stdout.write(ascii)
+
+if not hangul_ic_is_empty(hic):
+    commit = hangul_ic_flush(hic)
+    if len(commit)>0:
+        sys.stdout.write(commit)
+
+hangul_ic_delete(hic);
+sys.stdout.write('\n')
diff --git a/bindings/python_swig/test_hanja.py b/bindings/python_swig/test_hanja.py
new file mode 100644
index 0000000..0c2a87b
--- /dev/null
+++ b/bindings/python_swig/test_hanja.py
@@ -0,0 +1,21 @@
+from hangul import *
+import sys
+
+hanja_table_file = None
+if len(sys.argv)>2:
+    hanja_table_file = sys.argv[1]
+
+table = hanja_table_load(hanja_table_file);
+while True:
+    buf = sys.stdin.read(1024)
+    if len(buf)==0:
+        break
+    list = hanja_table_match_prefix(table, buf);
+    n = hanja_list_get_size(list);
+    for i in range(n):
+        key     = hanja_list_get_nth_key(list, i)
+        value   = hanja_list_get_nth_value(list, i)
+        comment = hanja_list_get_nth_comment(list, i)
+        print "%s:%s:%s" % (key, value, comment)
+
+hanja_table_delete(table)
diff --git a/bindings/python_swig/valgrind-test.sh b/bindings/python_swig/valgrind-test.sh
new file mode 100755
index 0000000..a361677
--- /dev/null
+++ b/bindings/python_swig/valgrind-test.sh
@@ -0,0 +1,3 @@
+#!/bin/sh
+exec valgrind --tool=memcheck --leak-check=full python test_hangul.py $@
+