87 lines
2.6 KiB
Python
87 lines
2.6 KiB
Python
###############################################################################
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#
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# The MIT License (MIT)
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#
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# Copyright (c) typedef int GmbH
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#
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# Permission is hereby granted, free of charge, to any person obtaining a copy
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# of this software and associated documentation files (the "Software"), to deal
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# in the Software without restriction, including without limitation the rights
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# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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# copies of the Software, and to permit persons to whom the Software is
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# furnished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be included in
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# all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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# THE SOFTWARE.
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#
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###############################################################################
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import os
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from cffi import FFI
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ffi = FFI()
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ffi.cdef("""
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void* nvx_utf8vld_new ();
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void nvx_utf8vld_reset (void* utf8vld);
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int nvx_utf8vld_validate (void* utf8vld, const uint8_t* data, size_t length);
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void nvx_utf8vld_free (void* utf8vld);
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int nvx_utf8vld_set_impl(void* utf8vld, int impl);
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int nvx_utf8vld_get_impl(void* utf8vld);
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""")
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if 'AUTOBAHN_USE_NVX' in os.environ and os.environ['AUTOBAHN_USE_NVX'] in ['1', 'true']:
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optional = False # :noindex:
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else:
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optional = True # :noindex:
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with open(os.path.join(os.path.dirname(__file__), '_utf8validator.c')) as fd:
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c_source = fd.read()
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ffi.set_source(
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"_nvx_utf8validator",
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c_source,
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libraries=[],
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extra_compile_args=['-std=c99', '-Wall', '-Wno-strict-prototypes', '-O3', '-march=native'],
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optional=optional
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)
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class Utf8Validator:
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"""
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:noindex:
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"""
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def __init__(self):
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self.ffi = ffi
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from _nvx_utf8validator import lib
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self.lib = lib
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self._vld = self.ffi.gc(self.lib.nvx_utf8vld_new(), self.lib.nvx_utf8vld_free)
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# print(self.lib.nvx_utf8vld_get_impl(self._vld))
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def reset(self):
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self.lib.nvx_utf8vld_reset(self._vld)
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def validate(self, ba):
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res = self.lib.nvx_utf8vld_validate(self._vld, ba, len(ba))
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return (res >= 0, res == 0, None, None)
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if __name__ == "__main__":
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ffi.compile()
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