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Tiny performance improvement

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Kovid Goyal 2014-03-06 14:36:17 +05:30
parent 0930fef90a
commit e05c4e669b
2 changed files with 13 additions and 9 deletions
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16
src/calibre/utils/icu.c
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@ -713,7 +713,7 @@ icu_character_name(PyObject *self, PyObject *args) {
int32_t sz, alias = 0;
UChar *buf;
UErrorCode status = U_ZERO_ERROR;
PyObject *palias = NULL;
PyObject *palias = NULL, *result = NULL;
UChar32 code = 0;
if (!PyArg_ParseTuple(args, "es|O", "UTF-8", &input, &palias)) return NULL;
@ -732,20 +732,21 @@ icu_character_name(PyObject *self, PyObject *args) {
sz = u_charName(code, U_UNICODE_CHAR_NAME, name, 511, &status);
}
if (U_FAILURE(status)) { PyErr_SetString(PyExc_ValueError, "Failed to get name for code"); goto end; }
result = PyUnicode_DecodeUTF8(name, sz, "strict");
end:
if (buf != NULL) free(buf);
PyMem_Free(input);
return (PyErr_Occurred()) ? NULL : Py_BuildValue("s#", name, sz);
return result;
} // }}}
// character_name {{{
// character_name_from_code {{{
static PyObject *
icu_character_name_from_code(PyObject *self, PyObject *args) {
char name[512] = {0};
int32_t sz, alias = 0;
UErrorCode status = U_ZERO_ERROR;
PyObject *palias = NULL;
PyObject *palias = NULL, *result = NULL;
UChar32 code = 0;
if (!PyArg_ParseTuple(args, "I|O", &code, &palias)) return NULL;
@ -758,8 +759,9 @@ icu_character_name_from_code(PyObject *self, PyObject *args) {
sz = u_charName(code, U_UNICODE_CHAR_NAME, name, 511, &status);
}
if (U_FAILURE(status)) { PyErr_SetString(PyExc_ValueError, "Failed to get name for code"); goto end; }
result = PyUnicode_DecodeUTF8(name, sz, "strict");
end:
return (PyErr_Occurred()) ? NULL : Py_BuildValue("s#", name, sz);
return result;
} // }}}
// chr {{{
@ -770,6 +772,7 @@ icu_chr(PyObject *self, PyObject *args) {
UChar buf[5] = {0};
int32_t sz = 0;
char utf8[21];
PyObject *result = NULL;
if (!PyArg_ParseTuple(args, "I", &code)) return NULL;
@ -777,8 +780,9 @@ icu_chr(PyObject *self, PyObject *args) {
if (U_FAILURE(status)) { PyErr_SetString(PyExc_ValueError, "arg not in range(0x110000)"); goto end; }
u_strToUTF8(utf8, 20, &sz, buf, sz, &status);
if (U_FAILURE(status)) { PyErr_SetString(PyExc_ValueError, "arg not in range(0x110000)"); goto end; }
result = PyUnicode_DecodeUTF8(utf8, sz, "strict");
end:
return (PyErr_Occurred()) ? NULL : Py_BuildValue("s#", utf8, sz);
return result;
} // }}}
// normalize {{{

6
src/calibre/utils/icu.py
View File

@ -133,7 +133,7 @@ def py_find(pattern, source):
def character_name(string):
try:
try:
return _icu.character_name(unicode(string)).decode('utf-8') or None
return _icu.character_name(unicode(string)) or None
except AttributeError:
import unicodedata
return unicodedata.name(unicode(string)[0], None)
@ -143,7 +143,7 @@ def character_name(string):
def character_name_from_code(code):
try:
try:
return _icu.character_name_from_code(code).decode('utf-8') or ''
return _icu.character_name_from_code(code) or ''
except AttributeError:
import unicodedata
return unicodedata.name(py_safe_chr(code), '')
@ -164,7 +164,7 @@ else:
def safe_chr(code):
try:
return _icu.chr(code).decode('utf-8')
return _icu.chr(code)
except AttributeError:
return py_safe_chr(code)