cpython/Objects/stringlib/find.h at android-testPyObjectPrintOSError · mhsmith/cpython · GitHub

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/* stringlib: find/index implementation */

#ifndef STRINGLIB_FASTSEARCH_H

#error must include "stringlib/fastsearch.h" before including this module

#endif

Py_LOCAL_INLINE(Py_ssize_t)

STRINGLIB(find)(const STRINGLIB_CHAR* str, Py_ssize_t str_len,

const STRINGLIB_CHAR* sub, Py_ssize_t sub_len,

Py_ssize_t offset)

{

Py_ssize_t pos;

assert(str_len >= 0);

if (sub_len == 0)

return offset;

pos = FASTSEARCH(str, str_len, sub, sub_len, -1, FAST_SEARCH);

if (pos >= 0)

pos += offset;

return pos;

}

Py_LOCAL_INLINE(Py_ssize_t)

STRINGLIB(rfind)(const STRINGLIB_CHAR* str, Py_ssize_t str_len,

const STRINGLIB_CHAR* sub, Py_ssize_t sub_len,

Py_ssize_t offset)

{

Py_ssize_t pos;

assert(str_len >= 0);

if (sub_len == 0)

return str_len + offset;

pos = FASTSEARCH(str, str_len, sub, sub_len, -1, FAST_RSEARCH);

if (pos >= 0)

pos += offset;

return pos;

}

Py_LOCAL_INLINE(Py_ssize_t)

STRINGLIB(find_slice)(const STRINGLIB_CHAR* str, Py_ssize_t str_len,

const STRINGLIB_CHAR* sub, Py_ssize_t sub_len,

Py_ssize_t start, Py_ssize_t end)

{

return STRINGLIB(find)(str + start, end - start, sub, sub_len, start);

}

Py_LOCAL_INLINE(Py_ssize_t)

STRINGLIB(rfind_slice)(const STRINGLIB_CHAR* str, Py_ssize_t str_len,

const STRINGLIB_CHAR* sub, Py_ssize_t sub_len,

Py_ssize_t start, Py_ssize_t end)

{

return STRINGLIB(rfind)(str + start, end - start, sub, sub_len, start);

}

#ifdef STRINGLIB_WANT_CONTAINS_OBJ

Py_LOCAL_INLINE(int)

STRINGLIB(contains_obj)(PyObject* str, PyObject* sub)

{

return STRINGLIB(find)(

STRINGLIB_STR(str), STRINGLIB_LEN(str),

STRINGLIB_STR(sub), STRINGLIB_LEN(sub), 0

) != -1;

}

#endif /* STRINGLIB_WANT_CONTAINS_OBJ */

cpython/Objects/stringlib/find.h at android-testPyObjectPrintOSError · mhsmith/cpython · GitHub

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