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Function to get available locales for break iteration

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Kovid Goyal 2021-06-17 07:25:15 +05:30
parent f138d716a5
commit 53b8bed17a
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3 changed files with 27 additions and 0 deletions
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1
setup/extensions.json
View File

@ -73,6 +73,7 @@
},
{
"name": "sqlite_extension",
"headers": "calibre/utils/cpp_binding.h",
"sources": "calibre/db/sqlite_extension.cpp",
"needs_c++11": true,
"libraries": "icudata icui18n icuuc icuio",

1
src/calibre/constants.py
View File

@ -250,6 +250,7 @@ class ExtensionsImporter:
'matcher',
'tokenizer',
'certgen',
'sqlite_extension',
)
if iswindows:
extra = ('winutil', 'wpd', 'winfonts', 'winsapi')

25
src/calibre/db/sqlite_extension.cpp
View File

@ -16,6 +16,8 @@
#include <unicode/uchar.h>
#include <unicode/translit.h>
#include <unicode/errorcode.h>
#include <unicode/brkiter.h>
#include "../utils/cpp_binding.h"
SQLITE_EXTENSION_INIT1
typedef int (*token_callback_func)(void *, int, const char *, int, int, int);
@ -250,8 +252,31 @@ calibre_sqlite_extension_init(sqlite3 *db, char **pzErrMsg, const sqlite3_api_ro
}
}
static PyObject*
get_locales_for_break_iteration(PyObject *self, PyObject *args) {
std::unique_ptr<icu::StringEnumeration> locs(icu::BreakIterator::getAvailableLocales());
icu::ErrorCode status;
pyobject_raii ans(PyList_New(0));
if (ans) {
const icu::UnicodeString *item;
while ((item = locs->snext(status))) {
std::string name;
item->toUTF8String(name);
pyobject_raii pn(PyUnicode_FromString(name.c_str()));
if (pn) PyList_Append(ans.ptr(), pn.ptr());
}
if (status.isFailure()) {
PyErr_Format(PyExc_RuntimeError, "Failed to iterate over locales with error: %s", status.errorName());
return NULL;
}
}
return ans.detach();
}
static PyMethodDef methods[] = {
{"get_locales_for_break_iteration", get_locales_for_break_iteration, METH_NOARGS,
"Get list of available locales for break iteration"
},
{NULL, NULL, 0, NULL}
};