cpython/Modules/expat/xmltok_ns.c

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const ENCODING *
NS(XmlGetUtf8InternalEncoding)(void)
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{
return &ns(internal_utf8_encoding).enc;
}
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const ENCODING *
NS(XmlGetUtf16InternalEncoding)(void)
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{
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#if BYTEORDER == 1234
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return &ns(internal_little2_encoding).enc;
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#elif BYTEORDER == 4321
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return &ns(internal_big2_encoding).enc;
#else
const short n = 1;
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return (*(const char *)&n
? &ns(internal_little2_encoding).enc
: &ns(internal_big2_encoding).enc);
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#endif
}
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static const ENCODING *NS(encodings)[] = {
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&ns(latin1_encoding).enc,
&ns(ascii_encoding).enc,
&ns(utf8_encoding).enc,
&ns(big2_encoding).enc,
&ns(big2_encoding).enc,
&ns(little2_encoding).enc,
&ns(utf8_encoding).enc /* NO_ENC */
};
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static int PTRCALL
NS(initScanProlog)(const ENCODING *enc, const char *ptr, const char *end,
const char **nextTokPtr)
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{
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return initScan(NS(encodings), (const INIT_ENCODING *)enc,
XML_PROLOG_STATE, ptr, end, nextTokPtr);
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}
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static int PTRCALL
NS(initScanContent)(const ENCODING *enc, const char *ptr, const char *end,
const char **nextTokPtr)
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{
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return initScan(NS(encodings), (const INIT_ENCODING *)enc,
XML_CONTENT_STATE, ptr, end, nextTokPtr);
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}
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int
NS(XmlInitEncoding)(INIT_ENCODING *p, const ENCODING **encPtr,
const char *name)
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{
int i = getEncodingIndex(name);
if (i == UNKNOWN_ENC)
return 0;
SET_INIT_ENC_INDEX(p, i);
p->initEnc.scanners[XML_PROLOG_STATE] = NS(initScanProlog);
p->initEnc.scanners[XML_CONTENT_STATE] = NS(initScanContent);
p->initEnc.updatePosition = initUpdatePosition;
p->encPtr = encPtr;
*encPtr = &(p->initEnc);
return 1;
}
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static const ENCODING *
NS(findEncoding)(const ENCODING *enc, const char *ptr, const char *end)
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{
#define ENCODING_MAX 128
char buf[ENCODING_MAX];
char *p = buf;
int i;
XmlUtf8Convert(enc, &ptr, end, &p, p + ENCODING_MAX - 1);
if (ptr != end)
return 0;
*p = 0;
if (streqci(buf, KW_UTF_16) && enc->minBytesPerChar == 2)
return enc;
i = getEncodingIndex(buf);
if (i == UNKNOWN_ENC)
return 0;
return NS(encodings)[i];
}
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int
NS(XmlParseXmlDecl)(int isGeneralTextEntity,
const ENCODING *enc,
const char *ptr,
const char *end,
const char **badPtr,
const char **versionPtr,
const char **versionEndPtr,
const char **encodingName,
const ENCODING **encoding,
int *standalone)
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{
return doParseXmlDecl(NS(findEncoding),
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isGeneralTextEntity,
enc,
ptr,
end,
badPtr,
versionPtr,
versionEndPtr,
encodingName,
encoding,
standalone);
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}