本文整理汇总了C++中LEAD_CASE函数的典型用法代码示例。如果您正苦于以下问题：C++ LEAD_CASE函数的具体用法？C++ LEAD_CASE怎么用？C++ LEAD_CASE使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。
在下文中一共展示了LEAD_CASE函数的5个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: PREFIX
static int PTRFASTCALL
PREFIX(nameLength)(const ENCODING *enc, const char *ptr)
{
const char *start = ptr;
for (;;) {
switch (BYTE_TYPE(enc, ptr)) {
#define LEAD_CASE(n) \
case BT_LEAD ## n: ptr += n; break;
LEAD_CASE(2) LEAD_CASE(3) LEAD_CASE(4)
#undef LEAD_CASE
case BT_NONASCII:
case BT_NMSTRT:
#ifdef XML_NS
case BT_COLON:
#endif
case BT_HEX:
case BT_DIGIT:
case BT_NAME:
case BT_MINUS:
ptr += MINBPC(enc);
break;
default:
return ptr - start;
}
}
}示例2: PREFIX
static
int PREFIX(sameName)(const ENCODING *enc, const char *ptr1, const char *ptr2)
{
for (;;) {
switch (BYTE_TYPE(enc, ptr1)) {
#define LEAD_CASE(n) \
case BT_LEAD ## n: \
if (*ptr1++ != *ptr2++) \
return 0;
LEAD_CASE(4) LEAD_CASE(3) LEAD_CASE(2)
#undef LEAD_CASE
/* fall through */
if (*ptr1++ != *ptr2++)
return 0;
break;
case BT_NONASCII:
case BT_NMSTRT:
case BT_HEX:
case BT_DIGIT:
case BT_NAME:
case BT_MINUS:
if (*ptr2++ != *ptr1++)
return 0;
#if MINBPC > 1
if (*ptr2++ != *ptr1++)
return 0;
#if MINBPC > 2
if (*ptr2++ != *ptr1++)
return 0;
#if MINBPC > 3
if (*ptr2++ != *ptr1++)
return 0;
#endif
#endif
#endif
break;
default:
#if MINBPC == 1
if (*ptr1 == *ptr2)
return 1;
#endif
switch (BYTE_TYPE(enc, ptr2)) {
case BT_LEAD2:
case BT_LEAD3:
case BT_LEAD4:
case BT_NONASCII:
case BT_NMSTRT:
case BT_HEX:
case BT_DIGIT:
case BT_NAME:
case BT_MINUS:
return 0;
default:
return 1;
}
}
}
/* not reached */
}示例3: PREFIX
static int PTRCALL
PREFIX(entityValueTok)(const ENCODING *enc, const char *ptr,
const char *end, const char **nextTokPtr)
{
const char *start;
if (ptr == end)
return XML_TOK_NONE;
start = ptr;
while (ptr != end) {
switch (BYTE_TYPE(enc, ptr)) {
#define LEAD_CASE(n) \
case BT_LEAD ## n: ptr += n; break;
LEAD_CASE(2) LEAD_CASE(3) LEAD_CASE(4)
#undef LEAD_CASE
case BT_AMP:
if (ptr == start)
return PREFIX(scanRef)(enc, ptr + MINBPC(enc), end, nextTokPtr);
*nextTokPtr = ptr;
return XML_TOK_DATA_CHARS;
case BT_PERCNT:
if (ptr == start) {
int tok = PREFIX(scanPercent)(enc, ptr + MINBPC(enc),
end, nextTokPtr);
return ((tok == XML_TOK_PERCENT || tok == -XML_TOK_PERCENT)
? XML_TOK_INVALID : tok);
}
*nextTokPtr = ptr;
return XML_TOK_DATA_CHARS;
case BT_LF:
if (ptr == start) {
*nextTokPtr = ptr + MINBPC(enc);
return XML_TOK_DATA_NEWLINE;
}
*nextTokPtr = ptr;
return XML_TOK_DATA_CHARS;
case BT_CR:
if (ptr == start) {
ptr += MINBPC(enc);
if (ptr == end)
return XML_TOK_TRAILING_CR;
if (BYTE_TYPE(enc, ptr) == BT_LF)
ptr += MINBPC(enc);
*nextTokPtr = ptr;
return XML_TOK_DATA_NEWLINE;
}
*nextTokPtr = ptr;
return XML_TOK_DATA_CHARS;
default:
ptr += MINBPC(enc);
break;
}
}
*nextTokPtr = ptr;
return XML_TOK_DATA_CHARS;
}示例4: PREFIX
static int PTRCALL
PREFIX (getAtts) (const ENCODING * enc, const char *ptr, int attsMax, ATTRIBUTE * atts) {
enum { other, inName, inValue } state = inName;
int nAtts = 0;
int open = 0; /* defined when state == inValue;
initialization just to shut up compilers */
for (ptr += MINBPC (enc);; ptr += MINBPC (enc)) {
switch (BYTE_TYPE (enc, ptr)) {
#define START_NAME \
if (state == other) { \
if (nAtts < attsMax) { \
atts[nAtts].name = ptr; \
atts[nAtts].normalized = 1; \
} \
state = inName; \
}
#define LEAD_CASE(n) \
case BT_LEAD ## n: START_NAME ptr += (n - MINBPC(enc)); break;
LEAD_CASE (2) LEAD_CASE (3) LEAD_CASE (4)
#undef LEAD_CASE
case BT_NONASCII:
case BT_NMSTRT:
case BT_HEX:
START_NAME break;
#undef START_NAME
case BT_QUOT:
if (state != inValue) {
if (nAtts < attsMax)
atts[nAtts].valuePtr = ptr + MINBPC (enc);
state = inValue;
open = BT_QUOT;
} else if (open == BT_QUOT) {
state = other;
if (nAtts < attsMax)
atts[nAtts].valueEnd = ptr;
nAtts++;
}
break;
case BT_APOS:
if (state != inValue) {
if (nAtts < attsMax)
atts[nAtts].valuePtr = ptr + MINBPC (enc);
state = inValue;
open = BT_APOS;
} else if (open == BT_APOS) {
state = other;
if (nAtts < attsMax)
atts[nAtts].valueEnd = ptr;
nAtts++;
}
break;
case BT_AMP:
if (nAtts < attsMax)
atts[nAtts].normalized = 0;
break;
case BT_S:
if (state == inName)
state = other;
else if (state == inValue
&& nAtts < attsMax
&& atts[nAtts].normalized
&& (ptr == atts[nAtts].valuePtr
|| BYTE_TO_ASCII (enc, ptr) != ASCII_SPACE
|| BYTE_TO_ASCII (enc, ptr + MINBPC (enc)) == ASCII_SPACE
|| BYTE_TYPE (enc, ptr + MINBPC (enc)) == open))
atts[nAtts].normalized = 0;
break;
case BT_CR:
case BT_LF:
/* This case ensures that the first attribute name is counted
Apart from that we could just change state on the quote. */
if (state == inName)
state = other;
else if (state == inValue && nAtts < attsMax)
atts[nAtts].normalized = 0;
break;
case BT_GT:
case BT_SOL:
if (state != inValue)
return nAtts;
break;
default:
break;
}
}
/* not reached */
}示例5: PREFIX
static int PTRCALL
PREFIX(entityValueTok)(const ENCODING *enc, const char *ptr,
const char *end, const char **nextTokPtr)
{
const char *start;
if (ptr >= end)
return XML_TOK_NONE;
else if (! HAS_CHAR(enc, ptr, end)) {
/* This line cannot be executed. The incoming data has already
* been tokenized once, so incomplete characters like this have
* already been eliminated from the input. Retaining the paranoia
* check is still valuable, however.
*/
return XML_TOK_PARTIAL; /* LCOV_EXCL_LINE */
}
start = ptr;
while (HAS_CHAR(enc, ptr, end)) {
switch (BYTE_TYPE(enc, ptr)) {
#define LEAD_CASE(n) \
case BT_LEAD ## n: ptr += n; break;
LEAD_CASE(2) LEAD_CASE(3) LEAD_CASE(4)
#undef LEAD_CASE
case BT_AMP:
if (ptr == start)
return PREFIX(scanRef)(enc, ptr + MINBPC(enc), end, nextTokPtr);
*nextTokPtr = ptr;
return XML_TOK_DATA_CHARS;
case BT_PERCNT:
if (ptr == start) {
int tok = PREFIX(scanPercent)(enc, ptr + MINBPC(enc),
end, nextTokPtr);
return (tok == XML_TOK_PERCENT) ? XML_TOK_INVALID : tok;
}
*nextTokPtr = ptr;
return XML_TOK_DATA_CHARS;
case BT_LF:
if (ptr == start) {
*nextTokPtr = ptr + MINBPC(enc);
return XML_TOK_DATA_NEWLINE;
}
*nextTokPtr = ptr;
return XML_TOK_DATA_CHARS;
case BT_CR:
if (ptr == start) {
ptr += MINBPC(enc);
if (! HAS_CHAR(enc, ptr, end))
return XML_TOK_TRAILING_CR;
if (BYTE_TYPE(enc, ptr) == BT_LF)
ptr += MINBPC(enc);
*nextTokPtr = ptr;
return XML_TOK_DATA_NEWLINE;
}
*nextTokPtr = ptr;
return XML_TOK_DATA_CHARS;
default:
ptr += MINBPC(enc);
break;
}
}
*nextTokPtr = ptr;
return XML_TOK_DATA_CHARS;
}