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Diffstat (limited to 'test/perftest/misctest.cpp')
| -rw-r--r-- | test/perftest/misctest.cpp | 974 |
1 files changed, 0 insertions, 974 deletions
diff --git a/test/perftest/misctest.cpp b/test/perftest/misctest.cpp deleted file mode 100644 index d81062f..0000000 --- a/test/perftest/misctest.cpp +++ /dev/null @@ -1,974 +0,0 @@ -// Tencent is pleased to support the open source community by making RapidJSON available. -// -// Copyright (C) 2015 THL A29 Limited, a Tencent company, and Milo Yip. All rights reserved. -// -// Licensed under the MIT License (the "License"); you may not use this file except -// in compliance with the License. You may obtain a copy of the License at -// -// http://opensource.org/licenses/MIT -// -// Unless required by applicable law or agreed to in writing, software distributed -// under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR -// CONDITIONS OF ANY KIND, either express or implied. See the License for the -// specific language governing permissions and limitations under the License. - -#include "perftest.h" - -#if TEST_MISC - -#define __STDC_FORMAT_MACROS -#include "rapidjson/stringbuffer.h" - -#define protected public -#include "rapidjson/writer.h" -#undef private - -class Misc : public PerfTest { -}; - -// Copyright (c) 2008-2010 Bjoern Hoehrmann <bjoern@hoehrmann.de> -// See http://bjoern.hoehrmann.de/utf-8/decoder/dfa/ for details. - -#define UTF8_ACCEPT 0 -#define UTF8_REJECT 12 - -static const unsigned char utf8d[] = { - // The first part of the table maps bytes to character classes that - // to reduce the size of the transition table and create bitmasks. - 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, - 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, - 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, - 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, - 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, 9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9, - 7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7, 7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7, - 8,8,2,2,2,2,2,2,2,2,2,2,2,2,2,2, 2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2, - 10,3,3,3,3,3,3,3,3,3,3,3,3,4,3,3, 11,6,6,6,5,8,8,8,8,8,8,8,8,8,8,8, - - // The second part is a transition table that maps a combination - // of a state of the automaton and a character class to a state. - 0,12,24,36,60,96,84,12,12,12,48,72, 12,12,12,12,12,12,12,12,12,12,12,12, - 12, 0,12,12,12,12,12, 0,12, 0,12,12, 12,24,12,12,12,12,12,24,12,24,12,12, - 12,12,12,12,12,12,12,24,12,12,12,12, 12,24,12,12,12,12,12,12,12,24,12,12, - 12,12,12,12,12,12,12,36,12,36,12,12, 12,36,12,12,12,12,12,36,12,36,12,12, - 12,36,12,12,12,12,12,12,12,12,12,12, -}; - -static unsigned inline decode(unsigned* state, unsigned* codep, unsigned byte) { - unsigned type = utf8d[byte]; - - *codep = (*state != UTF8_ACCEPT) ? - (byte & 0x3fu) | (*codep << 6) : - (0xff >> type) & (byte); - - *state = utf8d[256 + *state + type]; - return *state; -} - -static bool IsUTF8(unsigned char* s) { - unsigned codepoint, state = 0; - - while (*s) - decode(&state, &codepoint, *s++); - - return state == UTF8_ACCEPT; -} - -TEST_F(Misc, Hoehrmann_IsUTF8) { - for (size_t i = 0; i < kTrialCount; i++) { - EXPECT_TRUE(IsUTF8((unsigned char*)json_)); - } -} - -//////////////////////////////////////////////////////////////////////////////// -// CountDecimalDigit: Count number of decimal places - -inline unsigned CountDecimalDigit_naive(unsigned n) { - unsigned count = 1; - while (n >= 10) { - n /= 10; - count++; - } - return count; -} - -inline unsigned CountDecimalDigit_enroll4(unsigned n) { - unsigned count = 1; - while (n >= 10000) { - n /= 10000u; - count += 4; - } - if (n < 10) return count; - if (n < 100) return count + 1; - if (n < 1000) return count + 2; - return count + 3; -} - -inline unsigned CountDecimalDigit64_enroll4(uint64_t n) { - unsigned count = 1; - while (n >= 10000) { - n /= 10000u; - count += 4; - } - if (n < 10) return count; - if (n < 100) return count + 1; - if (n < 1000) return count + 2; - return count + 3; -} - -inline unsigned CountDecimalDigit_fast(unsigned n) { - static const uint32_t powers_of_10[] = { - 0, - 10, - 100, - 1000, - 10000, - 100000, - 1000000, - 10000000, - 100000000, - 1000000000 - }; - -#if defined(_M_IX86) || defined(_M_X64) - unsigned long i = 0; - _BitScanReverse(&i, n | 1); - uint32_t t = (i + 1) * 1233 >> 12; -#elif defined(__GNUC__) - uint32_t t = (32 - __builtin_clz(n | 1)) * 1233 >> 12; -#else -#error -#endif - return t - (n < powers_of_10[t]) + 1; -} - -inline unsigned CountDecimalDigit64_fast(uint64_t n) { - static const uint64_t powers_of_10[] = { - 0, - 10, - 100, - 1000, - 10000, - 100000, - 1000000, - 10000000, - 100000000, - 1000000000, - 10000000000, - 100000000000, - 1000000000000, - 10000000000000, - 100000000000000, - 1000000000000000, - 10000000000000000, - 100000000000000000, - 1000000000000000000, - 10000000000000000000U - }; - -#if defined(_M_IX86) - uint64_t m = n | 1; - unsigned long i = 0; - if (_BitScanReverse(&i, m >> 32)) - i += 32; - else - _BitScanReverse(&i, m & 0xFFFFFFFF); - uint32_t t = (i + 1) * 1233 >> 12; -#elif defined(_M_X64) - unsigned long i = 0; - _BitScanReverse64(&i, n | 1); - uint32_t t = (i + 1) * 1233 >> 12; -#elif defined(__GNUC__) - uint32_t t = (64 - __builtin_clzll(n | 1)) * 1233 >> 12; -#else -#error -#endif - - return t - (n < powers_of_10[t]) + 1; -} - -#if 0 -// Exhaustive, very slow -TEST_F(Misc, CountDecimalDigit_Verify) { - unsigned i = 0; - do { - if (i % (65536 * 256) == 0) - printf("%u\n", i); - ASSERT_EQ(CountDecimalDigit_enroll4(i), CountDecimalDigit_fast(i)); - i++; - } while (i != 0); -} - -static const unsigned kDigits10Trial = 1000000000u; -TEST_F(Misc, CountDecimalDigit_naive) { - unsigned sum = 0; - for (unsigned i = 0; i < kDigits10Trial; i++) - sum += CountDecimalDigit_naive(i); - printf("%u\n", sum); -} - -TEST_F(Misc, CountDecimalDigit_enroll4) { - unsigned sum = 0; - for (unsigned i = 0; i < kDigits10Trial; i++) - sum += CountDecimalDigit_enroll4(i); - printf("%u\n", sum); -} - -TEST_F(Misc, CountDecimalDigit_fast) { - unsigned sum = 0; - for (unsigned i = 0; i < kDigits10Trial; i++) - sum += CountDecimalDigit_fast(i); - printf("%u\n", sum); -} -#endif - -TEST_F(Misc, CountDecimalDigit64_VerifyFast) { - uint64_t i = 1, j; - do { - //printf("%" PRIu64 "\n", i); - ASSERT_EQ(CountDecimalDigit64_enroll4(i), CountDecimalDigit64_fast(i)); - j = i; - i *= 3; - } while (j < i); -} - -//////////////////////////////////////////////////////////////////////////////// -// integer-to-string conversion - -// https://gist.github.com/anonymous/7179097 -static const int randval[] ={ - 936116, 369532, 453755, -72860, 209713, 268347, 435278, -360266, -416287, -182064, - -644712, 944969, 640463, -366588, 471577, -69401, -744294, -505829, 923883, 831785, - -601136, -636767, -437054, 591718, 100758, 231907, -719038, 973540, -605220, 506659, - -871653, 462533, 764843, -919138, 404305, -630931, -288711, -751454, -173726, -718208, - 432689, -281157, 360737, 659827, 19174, -376450, 769984, -858198, 439127, 734703, - -683426, 7, 386135, 186997, -643900, -744422, -604708, -629545, 42313, -933592, - -635566, 182308, 439024, -367219, -73924, -516649, 421935, -470515, 413507, -78952, - -427917, -561158, 737176, 94538, 572322, 405217, 709266, -357278, -908099, -425447, - 601119, 750712, -862285, -177869, 900102, 384877, 157859, -641680, 503738, -702558, - 278225, 463290, 268378, -212840, 580090, 347346, -473985, -950968, -114547, -839893, - -738032, -789424, 409540, 493495, 432099, 119755, 905004, -174834, 338266, 234298, - 74641, -965136, -754593, 685273, 466924, 920560, 385062, 796402, -67229, 994864, - 376974, 299869, -647540, -128724, 469890, -163167, -547803, -743363, 486463, -621028, - 612288, 27459, -514224, 126342, -66612, 803409, -777155, -336453, -284002, 472451, - 342390, -163630, 908356, -456147, -825607, 268092, -974715, 287227, 227890, -524101, - 616370, -782456, 922098, -624001, -813690, 171605, -192962, 796151, 707183, -95696, - -23163, -721260, 508892, 430715, 791331, 482048, -996102, 863274, 275406, -8279, - -556239, -902076, 268647, -818565, 260069, -798232, -172924, -566311, -806503, -885992, - 813969, -78468, 956632, 304288, 494867, -508784, 381751, 151264, 762953, 76352, - 594902, 375424, 271700, -743062, 390176, 924237, 772574, 676610, 435752, -153847, - 3959, -971937, -294181, -538049, -344620, -170136, 19120, -703157, 868152, -657961, - -818631, 219015, -872729, -940001, -956570, 880727, -345910, 942913, -942271, -788115, - 225294, 701108, -517736, -416071, 281940, 488730, 942698, 711494, 838382, -892302, - -533028, 103052, 528823, 901515, 949577, 159364, 718227, -241814, -733661, -462928, - -495829, 165170, 513580, -629188, -509571, -459083, 198437, 77198, -644612, 811276, - -422298, -860842, -52584, 920369, 686424, -530667, -243476, 49763, 345866, -411960, - -114863, 470810, -302860, 683007, -509080, 2, -174981, -772163, -48697, 447770, - -268246, 213268, 269215, 78810, -236340, -639140, -864323, 505113, -986569, -325215, - 541859, 163070, -819998, -645161, -583336, 573414, 696417, -132375, 3, -294501, - 320435, 682591, 840008, 351740, 426951, 609354, 898154, -943254, 227321, -859793, - -727993, 44137, -497965, -782239, 14955, -746080, -243366, 9837, -233083, 606507, - -995864, -615287, -994307, 602715, 770771, -315040, 610860, 446102, -307120, 710728, - -590392, -230474, -762625, -637525, 134963, -202700, -766902, -985541, 218163, 682009, - 926051, 525156, -61195, 403211, -810098, 245539, -431733, 179998, -806533, 745943, - 447597, 131973, -187130, 826019, 286107, -937230, -577419, 20254, 681802, -340500, - 323080, 266283, -667617, 309656, 416386, 611863, 759991, -534257, 523112, -634892, - -169913, -204905, -909867, -882185, -944908, 741811, -717675, 967007, -317396, 407230, - -412805, 792905, 994873, 744793, -456797, 713493, 355232, 116900, -945199, 880539, - 342505, -580824, -262273, 982968, -349497, -735488, 311767, -455191, 570918, 389734, - -958386, 10262, -99267, 155481, 304210, 204724, 704367, -144893, -233664, -671441, - 896849, 408613, 762236, 322697, 981321, 688476, 13663, -970704, -379507, 896412, - 977084, 348869, 875948, 341348, 318710, 512081, 6163, 669044, 833295, 811883, - 708756, -802534, -536057, 608413, -389625, -694603, 541106, -110037, 720322, -540581, - 645420, 32980, 62442, 510157, -981870, -87093, -325960, -500494, -718291, -67889, - 991501, 374804, 769026, -978869, 294747, 714623, 413327, -199164, 671368, 804789, - -362507, 798196, -170790, -568895, -869379, 62020, -316693, -837793, 644994, -39341, - -417504, -243068, -957756, 99072, 622234, -739992, 225668, 8863, -505910, 82483, - -559244, 241572, 1315, -36175, -54990, 376813, -11, 162647, -688204, -486163, - -54934, -197470, 744223, -762707, 732540, 996618, 351561, -445933, -898491, 486531, - 456151, 15276, 290186, -817110, -52995, 313046, -452533, -96267, 94470, -500176, - -818026, -398071, -810548, -143325, -819741, 1338, -897676, -101577, -855445, 37309, - 285742, 953804, -777927, -926962, -811217, -936744, -952245, -802300, -490188, -964953, - -552279, 329142, -570048, -505756, 682898, -381089, -14352, 175138, 152390, -582268, - -485137, 717035, 805329, 239572, -730409, 209643, -184403, -385864, 675086, 819648, - 629058, -527109, -488666, -171981, 532788, 552441, 174666, 984921, 766514, 758787, - 716309, 338801, -978004, -412163, 876079, -734212, 789557, -160491, -522719, 56644, - -991, -286038, -53983, 663740, 809812, 919889, -717502, -137704, 220511, 184396, - -825740, -588447, 430870, 124309, 135956, 558662, -307087, -788055, -451328, 812260, - 931601, 324347, -482989, -117858, -278861, 189068, -172774, 929057, 293787, 198161, - -342386, -47173, 906555, -759955, -12779, 777604, -97869, 899320, 927486, -25284, - -848550, 259450, -485856, -17820, 88, 171400, 235492, -326783, -340793, 886886, - 112428, -246280, 5979, 648444, -114982, 991013, -56489, -9497, 419706, 632820, - -341664, 393926, -848977, -22538, 257307, 773731, -905319, 491153, 734883, -868212, - -951053, 644458, -580758, 764735, 584316, 297077, 28852, -397710, -953669, 201772, - 879050, -198237, -588468, 448102, -116837, 770007, -231812, 642906, -582166, -885828, - 9, 305082, -996577, 303559, 75008, -772956, -447960, 599825, -295552, 870739, - -386278, -950300, 485359, -457081, 629461, -850276, 550496, -451755, -620841, -11766, - -950137, 832337, 28711, -273398, -507197, 91921, -271360, -705991, -753220, -388968, - 967945, 340434, -320883, -662793, -554617, -574568, 477946, -6148, -129519, 689217, - 920020, -656315, -974523, -212525, 80921, -612532, 645096, 545655, 655713, -591631, - -307385, -816688, -618823, -113713, 526430, 673063, 735916, -809095, -850417, 639004, - 432281, -388185, 270708, 860146, -39902, -786157, -258180, -246169, -966720, -264957, - 548072, -306010, -57367, -635665, 933824, 70553, -989936, -488741, 72411, -452509, - 529831, 956277, 449019, -577850, -360986, -803418, 48833, 296073, 203430, 609591, - 715483, 470964, 658106, -718254, -96424, 790163, 334739, 181070, -373578, 5, - -435088, 329841, 330939, -256602, 394355, 912412, 231910, 927278, -661933, 788539, - -769664, -893274, -96856, 298205, 901043, -608122, -527430, 183618, -553963, -35246, - -393924, 948832, -483198, 594501, 35460, -407007, 93494, -336881, -634072, 984205, - -812161, 944664, -31062, 753872, 823933, -69566, 50445, 290147, 85134, 34706, - 551902, 405202, -991246, -84642, 154341, 316432, -695101, -651588, -5030, 137564, - -294665, 332541, 528307, -90572, -344923, 523766, -758498, -968047, 339028, 494578, - 593129, -725773, 31834, -718406, -208638, 159665, -2043, 673344, -442767, 75816, - 755442, 769257, -158730, -410272, 691688, 589550, -878398, -184121, 460679, 346312, - 294163, -544602, 653308, 254167, -276979, 52073, -892684, 887653, -41222, 983065, - -68258, -408799, -99069, -674069, -863635, -32890, 622757, -743862, 40872, -4837, - -967228, 522370, -903951, -818669, 524459, 514702, 925801, 20007, -299229, 579348, - 626021, 430089, 348139, -562692, -607728, -130606, -928451, -424793, -458647, -448892, - -312230, 143337, 109746, 880042, -339658, -785614, 938995, 540916, 118429, 661351, - -402967, 404729, -40918, -976535, 743230, 713110, 440182, -381314, -499252, 74613, - 193652, 912717, 491323, 583633, 324691, 459397, 281253, 195540, -2764, -888651, - 892449, 132663, -478373, -430002, -314551, 527826, 247165, 557966, 554778, 481531, - -946634, 431685, -769059, -348371, 174046, 184597, -354867, 584422, 227390, -850397, - -542924, -849093, -737769, 325359, 736314, 269101, 767940, 674809, 81413, -447458, - 445076, 189072, 906218, 502688, -718476, -863827, -731381, 100660, 623249, 710008, - 572060, 922203, 685740, 55096, 263394, -243695, -353910, -516788, 388471, 455165, - 844103, -643772, 363976, 268875, -899450, 104470, 104029, -238874, -274659, 732969, - -676443, 953291, -916289, -861849, -242344, 958083, -479593, -970395, 799831, 277841, - -243236, -283462, -201510, 166263, -259105, -575706, 878926, 891064, 895297, 655262, - -34807, -809833, -89281, 342585, 554920, 1, 902141, -333425, 139703, 852318, - -618438, 329498, -932596, -692836, -513372, 733656, -523411, 85779, 500478, -682697, - -502836, 138776, 156341, -420037, -557964, -556378, 710993, -50383, -877159, 916334, - 132996, 583516, -603392, -111615, -12288, -780214, 476780, 123327, 137607, 519956, - 745837, 17358, -158581, -53490 -}; -static const size_t randvalCount = sizeof(randval) / sizeof(randval[0]); -static const size_t kItoaTrialCount = 10000; - -static const char digits[201] = -"0001020304050607080910111213141516171819" -"2021222324252627282930313233343536373839" -"4041424344454647484950515253545556575859" -"6061626364656667686970717273747576777879" -"8081828384858687888990919293949596979899"; - -// Prevent code being optimized out -//#define OUTPUT_LENGTH(length) printf("", length) -#define OUTPUT_LENGTH(length) printf("%u\n", (unsigned)length) - -template<typename OutputStream> -class Writer1 { -public: - Writer1() : os_() {} - Writer1(OutputStream& os) : os_(&os) {} - - void Reset(OutputStream& os) { - os_ = &os; - } - - bool WriteInt(int i) { - if (i < 0) { - os_->Put('-'); - i = -i; - } - return WriteUint((unsigned)i); - } - - bool WriteUint(unsigned u) { - char buffer[10]; - char *p = buffer; - do { - *p++ = char(u % 10) + '0'; - u /= 10; - } while (u > 0); - - do { - --p; - os_->Put(*p); - } while (p != buffer); - return true; - } - - bool WriteInt64(int64_t i64) { - if (i64 < 0) { - os_->Put('-'); - i64 = -i64; - } - WriteUint64((uint64_t)i64); - return true; - } - - bool WriteUint64(uint64_t u64) { - char buffer[20]; - char *p = buffer; - do { - *p++ = char(u64 % 10) + '0'; - u64 /= 10; - } while (u64 > 0); - - do { - --p; - os_->Put(*p); - } while (p != buffer); - return true; - } - -private: - OutputStream* os_; -}; - -template<> -bool Writer1<rapidjson::StringBuffer>::WriteUint(unsigned u) { - char buffer[10]; - char* p = buffer; - do { - *p++ = char(u % 10) + '0'; - u /= 10; - } while (u > 0); - - char* d = os_->Push(p - buffer); - do { - --p; - *d++ = *p; - } while (p != buffer); - return true; -} - -// Using digits LUT to reduce division/modulo -template<typename OutputStream> -class Writer2 { -public: - Writer2() : os_() {} - Writer2(OutputStream& os) : os_(&os) {} - - void Reset(OutputStream& os) { - os_ = &os; - } - - bool WriteInt(int i) { - if (i < 0) { - os_->Put('-'); - i = -i; - } - return WriteUint((unsigned)i); - } - - bool WriteUint(unsigned u) { - char buffer[10]; - char* p = buffer; - while (u >= 100) { - const unsigned i = (u % 100) << 1; - u /= 100; - *p++ = digits[i + 1]; - *p++ = digits[i]; - } - if (u < 10) - *p++ = char(u) + '0'; - else { - const unsigned i = u << 1; - *p++ = digits[i + 1]; - *p++ = digits[i]; - } - - do { - --p; - os_->Put(*p); - } while (p != buffer); - return true; - } - - bool WriteInt64(int64_t i64) { - if (i64 < 0) { - os_->Put('-'); - i64 = -i64; - } - WriteUint64((uint64_t)i64); - return true; - } - - bool WriteUint64(uint64_t u64) { - char buffer[20]; - char* p = buffer; - while (u64 >= 100) { - const unsigned i = static_cast<unsigned>(u64 % 100) << 1; - u64 /= 100; - *p++ = digits[i + 1]; - *p++ = digits[i]; - } - if (u64 < 10) - *p++ = char(u64) + '0'; - else { - const unsigned i = static_cast<unsigned>(u64) << 1; - *p++ = digits[i + 1]; - *p++ = digits[i]; - } - - do { - --p; - os_->Put(*p); - } while (p != buffer); - return true; - } - -private: - OutputStream* os_; -}; - -// First pass to count digits -template<typename OutputStream> -class Writer3 { -public: - Writer3() : os_() {} - Writer3(OutputStream& os) : os_(&os) {} - - void Reset(OutputStream& os) { - os_ = &os; - } - - bool WriteInt(int i) { - if (i < 0) { - os_->Put('-'); - i = -i; - } - return WriteUint((unsigned)i); - } - - bool WriteUint(unsigned u) { - char buffer[10]; - char *p = buffer; - do { - *p++ = char(u % 10) + '0'; - u /= 10; - } while (u > 0); - - do { - --p; - os_->Put(*p); - } while (p != buffer); - return true; - } - - bool WriteInt64(int64_t i64) { - if (i64 < 0) { - os_->Put('-'); - i64 = -i64; - } - WriteUint64((uint64_t)i64); - return true; - } - - bool WriteUint64(uint64_t u64) { - char buffer[20]; - char *p = buffer; - do { - *p++ = char(u64 % 10) + '0'; - u64 /= 10; - } while (u64 > 0); - - do { - --p; - os_->Put(*p); - } while (p != buffer); - return true; - } - -private: - void WriteUintReverse(char* d, unsigned u) { - do { - *--d = char(u % 10) + '0'; - u /= 10; - } while (u > 0); - } - - void WriteUint64Reverse(char* d, uint64_t u) { - do { - *--d = char(u % 10) + '0'; - u /= 10; - } while (u > 0); - } - - OutputStream* os_; -}; - -template<> -inline bool Writer3<rapidjson::StringBuffer>::WriteUint(unsigned u) { - unsigned digit = CountDecimalDigit_fast(u); - WriteUintReverse(os_->Push(digit) + digit, u); - return true; -} - -template<> -inline bool Writer3<rapidjson::InsituStringStream>::WriteUint(unsigned u) { - unsigned digit = CountDecimalDigit_fast(u); - WriteUintReverse(os_->Push(digit) + digit, u); - return true; -} - -template<> -inline bool Writer3<rapidjson::StringBuffer>::WriteUint64(uint64_t u) { - unsigned digit = CountDecimalDigit64_fast(u); - WriteUint64Reverse(os_->Push(digit) + digit, u); - return true; -} - -template<> -inline bool Writer3<rapidjson::InsituStringStream>::WriteUint64(uint64_t u) { - unsigned digit = CountDecimalDigit64_fast(u); - WriteUint64Reverse(os_->Push(digit) + digit, u); - return true; -} - -// Using digits LUT to reduce division/modulo, two passes -template<typename OutputStream> -class Writer4 { -public: - Writer4() : os_() {} - Writer4(OutputStream& os) : os_(&os) {} - - void Reset(OutputStream& os) { - os_ = &os; - } - - bool WriteInt(int i) { - if (i < 0) { - os_->Put('-'); - i = -i; - } - return WriteUint((unsigned)i); - } - - bool WriteUint(unsigned u) { - char buffer[10]; - char* p = buffer; - while (u >= 100) { - const unsigned i = (u % 100) << 1; - u /= 100; - *p++ = digits[i + 1]; - *p++ = digits[i]; - } - if (u < 10) - *p++ = char(u) + '0'; - else { - const unsigned i = u << 1; - *p++ = digits[i + 1]; - *p++ = digits[i]; - } - - do { - --p; - os_->Put(*p); - } while (p != buffer); - return true; - } - - bool WriteInt64(int64_t i64) { - if (i64 < 0) { - os_->Put('-'); - i64 = -i64; - } - WriteUint64((uint64_t)i64); - return true; - } - - bool WriteUint64(uint64_t u64) { - char buffer[20]; - char* p = buffer; - while (u64 >= 100) { - const unsigned i = static_cast<unsigned>(u64 % 100) << 1; - u64 /= 100; - *p++ = digits[i + 1]; - *p++ = digits[i]; - } - if (u64 < 10) - *p++ = char(u64) + '0'; - else { - const unsigned i = static_cast<unsigned>(u64) << 1; - *p++ = digits[i + 1]; - *p++ = digits[i]; - } - - do { - --p; - os_->Put(*p); - } while (p != buffer); - return true; - } - -private: - void WriteUintReverse(char* d, unsigned u) { - while (u >= 100) { - const unsigned i = (u % 100) << 1; - u /= 100; - *--d = digits[i + 1]; - *--d = digits[i]; - } - if (u < 10) { - *--d = char(u) + '0'; - } - else { - const unsigned i = u << 1; - *--d = digits[i + 1]; - *--d = digits[i]; - } - } - - void WriteUint64Reverse(char* d, uint64_t u) { - while (u >= 100) { - const unsigned i = (u % 100) << 1; - u /= 100; - *--d = digits[i + 1]; - *--d = digits[i]; - } - if (u < 10) { - *--d = char(u) + '0'; - } - else { - const unsigned i = u << 1; - *--d = digits[i + 1]; - *--d = digits[i]; - } - } - - OutputStream* os_; -}; - -template<> -inline bool Writer4<rapidjson::StringBuffer>::WriteUint(unsigned u) { - unsigned digit = CountDecimalDigit_fast(u); - WriteUintReverse(os_->Push(digit) + digit, u); - return true; -} - -template<> -inline bool Writer4<rapidjson::InsituStringStream>::WriteUint(unsigned u) { - unsigned digit = CountDecimalDigit_fast(u); - WriteUintReverse(os_->Push(digit) + digit, u); - return true; -} - -template<> -inline bool Writer4<rapidjson::StringBuffer>::WriteUint64(uint64_t u) { - unsigned digit = CountDecimalDigit64_fast(u); - WriteUint64Reverse(os_->Push(digit) + digit, u); - return true; -} - -template<> -inline bool Writer4<rapidjson::InsituStringStream>::WriteUint64(uint64_t u) { - unsigned digit = CountDecimalDigit64_fast(u); - WriteUint64Reverse(os_->Push(digit) + digit, u); - return true; -} - -template <typename Writer> -void itoa_Writer_StringBufferVerify() { - rapidjson::StringBuffer sb; - Writer writer(sb); - for (size_t j = 0; j < randvalCount; j++) { - char buffer[32]; - sprintf(buffer, "%d", randval[j]); - writer.WriteInt(randval[j]); - ASSERT_STREQ(buffer, sb.GetString()); - sb.Clear(); - } -} - -template <typename Writer> -void itoa_Writer_InsituStringStreamVerify() { - Writer writer; - for (size_t j = 0; j < randvalCount; j++) { - char buffer[32]; - sprintf(buffer, "%d", randval[j]); - char buffer2[32]; - rapidjson::InsituStringStream ss(buffer2); - writer.Reset(ss); - char* begin = ss.PutBegin(); - writer.WriteInt(randval[j]); - ss.Put('\0'); - ss.PutEnd(begin); - ASSERT_STREQ(buffer, buffer2); - } -} - -template <typename Writer> -void itoa_Writer_StringBuffer() { - size_t length = 0; - - rapidjson::StringBuffer sb; - Writer writer(sb); - - for (size_t i = 0; i < kItoaTrialCount; i++) { - for (size_t j = 0; j < randvalCount; j++) { - writer.WriteInt(randval[j]); - length += sb.GetSize(); - sb.Clear(); - } - } - OUTPUT_LENGTH(length); -} - -template <typename Writer> -void itoa_Writer_InsituStringStream() { - size_t length = 0; - - char buffer[32]; - Writer writer; - for (size_t i = 0; i < kItoaTrialCount; i++) { - for (size_t j = 0; j < randvalCount; j++) { - rapidjson::InsituStringStream ss(buffer); - writer.Reset(ss); - char* begin = ss.PutBegin(); - writer.WriteInt(randval[j]); - length += ss.PutEnd(begin); - } - } - OUTPUT_LENGTH(length); -}; - -template <typename Writer> -void itoa64_Writer_StringBufferVerify() { - rapidjson::StringBuffer sb; - Writer writer(sb); - for (size_t j = 0; j < randvalCount; j++) { - char buffer[32]; - int64_t x = randval[j] * randval[j]; - sprintf(buffer, "%" PRIi64, x); - writer.WriteInt64(x); - ASSERT_STREQ(buffer, sb.GetString()); - sb.Clear(); - } -} - -template <typename Writer> -void itoa64_Writer_InsituStringStreamVerify() { - Writer writer; - for (size_t j = 0; j < randvalCount; j++) { - char buffer[32]; - int64_t x = randval[j] * randval[j]; - sprintf(buffer, "%" PRIi64, x); - char buffer2[32]; - rapidjson::InsituStringStream ss(buffer2); - writer.Reset(ss); - char* begin = ss.PutBegin(); - writer.WriteInt64(x); - ss.Put('\0'); - ss.PutEnd(begin); - ASSERT_STREQ(buffer, buffer2); - } -} - -template <typename Writer> -void itoa64_Writer_StringBuffer() { - size_t length = 0; - - rapidjson::StringBuffer sb; - Writer writer(sb); - - for (size_t i = 0; i < kItoaTrialCount; i++) { - for (size_t j = 0; j < randvalCount; j++) { - writer.WriteInt64(randval[j] * randval[j]); - length += sb.GetSize(); - sb.Clear(); - } - } - OUTPUT_LENGTH(length); -} - -template <typename Writer> -void itoa64_Writer_InsituStringStream() { - size_t length = 0; - - char buffer[32]; - Writer writer; - for (size_t i = 0; i < kItoaTrialCount; i++) { - for (size_t j = 0; j < randvalCount; j++) { - rapidjson::InsituStringStream ss(buffer); - writer.Reset(ss); - char* begin = ss.PutBegin(); - writer.WriteInt64(randval[j] * randval[j]); - length += ss.PutEnd(begin); - } - } - OUTPUT_LENGTH(length); -}; - -// Full specialization for InsituStringStream to prevent memory copying -// (normally we will not use InsituStringStream for writing, just for testing) - -namespace rapidjson { - -template<> -bool rapidjson::Writer<InsituStringStream>::WriteInt(int i) { - char *buffer = os_->Push(11); - const char* end = internal::i32toa(i, buffer); - os_->Pop(11 - (end - buffer)); - return true; -} - -template<> -bool Writer<InsituStringStream>::WriteUint(unsigned u) { - char *buffer = os_->Push(10); - const char* end = internal::u32toa(u, buffer); - os_->Pop(10 - (end - buffer)); - return true; -} - -template<> -bool Writer<InsituStringStream>::WriteInt64(int64_t i64) { - char *buffer = os_->Push(21); - const char* end = internal::i64toa(i64, buffer); - os_->Pop(21 - (end - buffer)); - return true; -} - -template<> -bool Writer<InsituStringStream>::WriteUint64(uint64_t u) { - char *buffer = os_->Push(20); - const char* end = internal::u64toa(u, buffer); - os_->Pop(20 - (end - buffer)); - return true; -} - -} // namespace rapidjson - -TEST_F(Misc, itoa_Writer_StringBufferVerify) { itoa_Writer_StringBufferVerify<rapidjson::Writer<rapidjson::StringBuffer> >(); } -TEST_F(Misc, itoa_Writer1_StringBufferVerify) { itoa_Writer_StringBufferVerify<Writer1<rapidjson::StringBuffer> >(); } -TEST_F(Misc, itoa_Writer2_StringBufferVerify) { itoa_Writer_StringBufferVerify<Writer2<rapidjson::StringBuffer> >(); } -TEST_F(Misc, itoa_Writer3_StringBufferVerify) { itoa_Writer_StringBufferVerify<Writer3<rapidjson::StringBuffer> >(); } -TEST_F(Misc, itoa_Writer4_StringBufferVerify) { itoa_Writer_StringBufferVerify<Writer4<rapidjson::StringBuffer> >(); } -TEST_F(Misc, itoa_Writer_InsituStringStreamVerify) { itoa_Writer_InsituStringStreamVerify<rapidjson::Writer<rapidjson::InsituStringStream> >(); } -TEST_F(Misc, itoa_Writer1_InsituStringStreamVerify) { itoa_Writer_InsituStringStreamVerify<Writer1<rapidjson::InsituStringStream> >(); } -TEST_F(Misc, itoa_Writer2_InsituStringStreamVerify) { itoa_Writer_InsituStringStreamVerify<Writer2<rapidjson::InsituStringStream> >(); } -TEST_F(Misc, itoa_Writer3_InsituStringStreamVerify) { itoa_Writer_InsituStringStreamVerify<Writer3<rapidjson::InsituStringStream> >(); } -TEST_F(Misc, itoa_Writer4_InsituStringStreamVerify) { itoa_Writer_InsituStringStreamVerify<Writer4<rapidjson::InsituStringStream> >(); } -TEST_F(Misc, itoa_Writer_StringBuffer) { itoa_Writer_StringBuffer<rapidjson::Writer<rapidjson::StringBuffer> >(); } -TEST_F(Misc, itoa_Writer1_StringBuffer) { itoa_Writer_StringBuffer<Writer1<rapidjson::StringBuffer> >(); } -TEST_F(Misc, itoa_Writer2_StringBuffer) { itoa_Writer_StringBuffer<Writer2<rapidjson::StringBuffer> >(); } -TEST_F(Misc, itoa_Writer3_StringBuffer) { itoa_Writer_StringBuffer<Writer3<rapidjson::StringBuffer> >(); } -TEST_F(Misc, itoa_Writer4_StringBuffer) { itoa_Writer_StringBuffer<Writer4<rapidjson::StringBuffer> >(); } -TEST_F(Misc, itoa_Writer_InsituStringStream) { itoa_Writer_InsituStringStream<rapidjson::Writer<rapidjson::InsituStringStream> >(); } -TEST_F(Misc, itoa_Writer1_InsituStringStream) { itoa_Writer_InsituStringStream<Writer1<rapidjson::InsituStringStream> >(); } -TEST_F(Misc, itoa_Writer2_InsituStringStream) { itoa_Writer_InsituStringStream<Writer2<rapidjson::InsituStringStream> >(); } -TEST_F(Misc, itoa_Writer3_InsituStringStream) { itoa_Writer_InsituStringStream<Writer3<rapidjson::InsituStringStream> >(); } -TEST_F(Misc, itoa_Writer4_InsituStringStream) { itoa_Writer_InsituStringStream<Writer4<rapidjson::InsituStringStream> >(); } - -TEST_F(Misc, itoa64_Writer_StringBufferVerify) { itoa64_Writer_StringBufferVerify<rapidjson::Writer<rapidjson::StringBuffer> >(); } -TEST_F(Misc, itoa64_Writer1_StringBufferVerify) { itoa64_Writer_StringBufferVerify<Writer1<rapidjson::StringBuffer> >(); } -TEST_F(Misc, itoa64_Writer2_StringBufferVerify) { itoa64_Writer_StringBufferVerify<Writer2<rapidjson::StringBuffer> >(); } -TEST_F(Misc, itoa64_Writer3_StringBufferVerify) { itoa64_Writer_StringBufferVerify<Writer3<rapidjson::StringBuffer> >(); } -TEST_F(Misc, itoa64_Writer4_StringBufferVerify) { itoa64_Writer_StringBufferVerify<Writer4<rapidjson::StringBuffer> >(); } -TEST_F(Misc, itoa64_Writer_InsituStringStreamVerify) { itoa64_Writer_InsituStringStreamVerify<rapidjson::Writer<rapidjson::InsituStringStream> >(); } -TEST_F(Misc, itoa64_Writer1_InsituStringStreamVerify) { itoa64_Writer_InsituStringStreamVerify<Writer1<rapidjson::InsituStringStream> >(); } -TEST_F(Misc, itoa64_Writer2_InsituStringStreamVerify) { itoa64_Writer_InsituStringStreamVerify<Writer2<rapidjson::InsituStringStream> >(); } -TEST_F(Misc, itoa64_Writer3_InsituStringStreamVerify) { itoa64_Writer_InsituStringStreamVerify<Writer3<rapidjson::InsituStringStream> >(); } -TEST_F(Misc, itoa64_Writer4_InsituStringStreamVerify) { itoa64_Writer_InsituStringStreamVerify<Writer4<rapidjson::InsituStringStream> >(); } -TEST_F(Misc, itoa64_Writer_StringBuffer) { itoa64_Writer_StringBuffer<rapidjson::Writer<rapidjson::StringBuffer> >(); } -TEST_F(Misc, itoa64_Writer1_StringBuffer) { itoa64_Writer_StringBuffer<Writer1<rapidjson::StringBuffer> >(); } -TEST_F(Misc, itoa64_Writer2_StringBuffer) { itoa64_Writer_StringBuffer<Writer2<rapidjson::StringBuffer> >(); } -TEST_F(Misc, itoa64_Writer3_StringBuffer) { itoa64_Writer_StringBuffer<Writer3<rapidjson::StringBuffer> >(); } -TEST_F(Misc, itoa64_Writer4_StringBuffer) { itoa64_Writer_StringBuffer<Writer4<rapidjson::StringBuffer> >(); } -TEST_F(Misc, itoa64_Writer_InsituStringStream) { itoa64_Writer_InsituStringStream<rapidjson::Writer<rapidjson::InsituStringStream> >(); } -TEST_F(Misc, itoa64_Writer1_InsituStringStream) { itoa64_Writer_InsituStringStream<Writer1<rapidjson::InsituStringStream> >(); } -TEST_F(Misc, itoa64_Writer2_InsituStringStream) { itoa64_Writer_InsituStringStream<Writer2<rapidjson::InsituStringStream> >(); } -TEST_F(Misc, itoa64_Writer3_InsituStringStream) { itoa64_Writer_InsituStringStream<Writer3<rapidjson::InsituStringStream> >(); } -TEST_F(Misc, itoa64_Writer4_InsituStringStream) { itoa64_Writer_InsituStringStream<Writer4<rapidjson::InsituStringStream> >(); } - -#endif // TEST_MISC |