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Converts tabs to spaces

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This commit is contained in:
miloyip 2015-04-16 10:15:23 +08:00
parent a7763cbeca
commit 22021d6622
1 changed files with 34 additions and 34 deletions
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68
include/rapidjson/reader.h
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@ -255,23 +255,23 @@ void SkipWhitespace(InputStream& is) {
#ifdef RAPIDJSON_SSE42 #ifdef RAPIDJSON_SSE42
//! Skip whitespace with SSE 4.2 pcmpistrm instruction, testing 16 8-byte characters at once. //! Skip whitespace with SSE 4.2 pcmpistrm instruction, testing 16 8-byte characters at once.
inline const char *SkipWhitespace_SIMD(const char* p) { inline const char *SkipWhitespace_SIMD(const char* p) {
// Fast return for single non-whitespace // Fast return for single non-whitespace
if (*p == ' ' || *p == '\n' || *p == '\r' || *p == '\t') if (*p == ' ' || *p == '\n' || *p == '\r' || *p == '\t')
++p; ++p;
else else
return p; return p;
// 16-byte align to the next boundary // 16-byte align to the next boundary
const char* nextAligned = reinterpret_cast<const char*>((reinterpret_cast<size_t>(p) + 15) & ~15); const char* nextAligned = reinterpret_cast<const char*>((reinterpret_cast<size_t>(p) + 15) & ~15);
while (p != nextAligned) while (p != nextAligned)
if (*p == ' ' || *p == '\n' || *p == '\r' || *p == '\t') if (*p == ' ' || *p == '\n' || *p == '\r' || *p == '\t')
++p; ++p;
else else
return p; return p;
// The rest of string using SIMD // The rest of string using SIMD
static const char whitespace[16] = " \n\r\t"; static const char whitespace[16] = " \n\r\t";
const __m128i w = _mm_load_si128((const __m128i *)&whitespace[0]); const __m128i w = _mm_load_si128((const __m128i *)&whitespace[0]);
for (;; p += 16) { for (;; p += 16) {
const __m128i s = _mm_load_si128((const __m128i *)p); const __m128i s = _mm_load_si128((const __m128i *)p);
@ -292,31 +292,31 @@ inline const char *SkipWhitespace_SIMD(const char* p) {
//! Skip whitespace with SSE2 instructions, testing 16 8-byte characters at once. //! Skip whitespace with SSE2 instructions, testing 16 8-byte characters at once.
inline const char *SkipWhitespace_SIMD(const char* p) { inline const char *SkipWhitespace_SIMD(const char* p) {
// Fast return for single non-whitespace // Fast return for single non-whitespace
if (*p == ' ' || *p == '\n' || *p == '\r' || *p == '\t') if (*p == ' ' || *p == '\n' || *p == '\r' || *p == '\t')
++p; ++p;
else else
return p; return p;
// 16-byte align to the next boundary // 16-byte align to the next boundary
const char* nextAligned = reinterpret_cast<const char*>((reinterpret_cast<size_t>(p) + 15) & ~15); const char* nextAligned = reinterpret_cast<const char*>((reinterpret_cast<size_t>(p) + 15) & ~15);
while (p != nextAligned) while (p != nextAligned)
if (*p == ' ' || *p == '\n' || *p == '\r' || *p == '\t') if (*p == ' ' || *p == '\n' || *p == '\r' || *p == '\t')
++p; ++p;
else else
return p; return p;
// The rest of string // The rest of string
static const char whitespaces[4][17] = { static const char whitespaces[4][17] = {
" ", " ",
"\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n", "\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n",
"\r\r\r\r\r\r\r\r\r\r\r\r\r\r\r\r", "\r\r\r\r\r\r\r\r\r\r\r\r\r\r\r\r",
"\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t"}; "\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t"};
const __m128i w0 = _mm_loadu_si128((const __m128i *)&whitespaces[0][0]); const __m128i w0 = _mm_loadu_si128((const __m128i *)&whitespaces[0][0]);
const __m128i w1 = _mm_loadu_si128((const __m128i *)&whitespaces[1][0]); const __m128i w1 = _mm_loadu_si128((const __m128i *)&whitespaces[1][0]);
const __m128i w2 = _mm_loadu_si128((const __m128i *)&whitespaces[2][0]); const __m128i w2 = _mm_loadu_si128((const __m128i *)&whitespaces[2][0]);
const __m128i w3 = _mm_loadu_si128((const __m128i *)&whitespaces[3][0]); const __m128i w3 = _mm_loadu_si128((const __m128i *)&whitespaces[3][0]);
for (;; p += 16) { for (;; p += 16) {
const __m128i s = _mm_load_si128((const __m128i *)p); const __m128i s = _mm_load_si128((const __m128i *)p);