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" " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " "
" " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " "
" " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " ] } ], "source": [ "correct = 0\n", "for i in range(10000):\n", " with open(f\"X_test/{i}.json\", \"r\") as f:\n", " input = json.load(f)\n", " out, _ = inference(input, circuit)\n", " correct += 1 if out[0] == y_test[i] else 0\n", " print(f\" ] }, { "cell_type": "code", "execution_count": null, "metadata": {}, "outputs": [], "source": [] } ], "metadata": { "kernelspec": { "display_name": "keras2circom", "language": "python", "name": "python3" }, "language_info": { "codemirror_mode": { "name": "ipython", "version": 3 }, "file_extension": ".py", "mimetype": "text/x-python", "name": "python", "nbconvert_exporter": "python", "pygments_lexer": "ipython3", "version": "3.9.13" } }, "nbformat": 4, "nbformat_minor": 2 }
const chai = require('chai'); const fs = require('fs'); const wasm_tester = require('circom_tester').wasm; const F1Field = require('ffjavascript').F1Field; const Scalar = require('ffjavascript').Scalar; exports.p = Scalar.fromString('21888242871839275222246405745257275088548364400416034343698204186575808495617'); const Fr = new F1Field(exports.p); const assert = chai.assert; const exec = require('await-exec'); const input = require('../test/X_test/0.json'); describe('keras2circom test', function () { this.timeout(100000000); describe('softmax output', async () => { it('softmax output test', async () => { await exec('python main.py models/model.h5 && python output/circuit.py output/circuit.json test/X_test/0.json'); const model = JSON.parse(fs.readFileSync('./output/circuit.json')); const output = JSON.parse(fs.readFileSync('./output/output.json')); const INPUT = {...model, ...input, ...output}; const circuit = await wasm_tester('./output/circuit.circom'); const witness = await circuit.calculateWitness(INPUT, true); assert(Fr.eq(Fr.e(witness[0]),Fr.e(1))); assert(Fr.eq(Fr.e(witness[1]),Fr.e(7))); }); }); describe('raw output', async () => { it('raw output test', async () => { await exec('python main.py models/model.h5 --raw && python output/circuit.py output/circuit.json test/X_test/0.json'); const model = JSON.parse(fs.readFileSync('./output/circuit.json')); const output = JSON.parse(fs.readFileSync('./output/output.json')); const INPUT = {...model, ...input, ...output}; const circuit = await wasm_tester('./output/circuit.circom'); const witness = await circuit.calculateWitness(INPUT, true); assert(Fr.eq(Fr.e(witness[0]),Fr.e(1))); }); }); });
{ "cells": [ { "cell_type": "code", "execution_count": 1, "metadata": {}, "outputs": [], "source": [ "from tensorflow.keras.datasets import mnist\n", "import json\n", "import numpy as np" ] }, { "cell_type": "code", "execution_count": 2, "metadata": {}, "outputs": [], "source": [ "# load MNIST dataset\n", "_, (X_test, y_test) = mnist.load_data()" ] }, { "cell_type": "code", "execution_count": 3, "metadata": {}, "outputs": [], "source": [ "#normalizing\n", "X_test = X_test.astype('float32')\n", "X_test /= 255.0" ] }, { "cell_type": "code", "execution_count": 4, "metadata": {}, "outputs": [], "source": [ "for i in range(len(X_test)):\n", " X = [str(int(x * float(10**18))) for x in X_test[i].flatten().tolist()]\n", " X = np.array(X).reshape(28, 28, 1).tolist()\n", " with open(f'X_test/{i}.json', 'w') as f:\n", " json.dump({\"in\": X}, f)" ] }, { "cell_type": "code", "execution_count": 5, "metadata": {}, "outputs": [], "source": [ "with open('y_test.json', 'w') as f:\n", " json.dump(y_test.tolist(), f)" ] } ], "metadata": { "kernelspec": { "display_name": "keras2circom", "language": "python", "name": "python3" }, "language_info": { "codemirror_mode": { "name": "ipython", "version": 3 }, "file_extension": ".py", "mimetype": "text/x-python", "name": "python", "nbconvert_exporter": "python", "pygments_lexer": "ipython3", "version": "3.9.13" } }, "nbformat": 4, "nbformat_minor": 2 }
/* cma.h * * The MIT License (MIT) * * COPYRIGHT (C) 2017 Institute of Electronics and Computer Science (EDI), Latvia. * AUTHOR: Rihards Novickis ([email protected]) * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * THE SOFTWARE. */ #ifndef VTA_DE10_NANO_KERNEL_MODULE_CMA_H_ #define VTA_DE10_NANO_KERNEL_MODULE_CMA_H_ /* Should be defined in settings.mk file */ #ifndef CMA_IOCTL_MAGIC #define CMA_IOCTL_MAGIC 0xf2 #endif #define CMA_ALLOC_CACHED _IOC(_IOC_WRITE | _IOC_READ, CMA_IOCTL_MAGIC, 1, 4) #define CMA_ALLOC_NONCACHED _IOC(_IOC_WRITE | _IOC_READ, CMA_IOCTL_MAGIC, 2, 4) #define CMA_FREE _IOC(_IOC_WRITE, CMA_IOCTL_MAGIC, 3, 4) #define CMA_GET_PHY_ADDR _IOC(_IOC_WRITE | _IOC_READ, CMA_IOCTL_MAGIC, 4, 4) #define CMA_GET_SIZE _IOC(_IOC_WRITE | _IOC_READ, CMA_IOCTL_MAGIC, 5, 4) #define CMA_IOCTL_MAXNR 5 #endif // VTA_DE10_NANO_KERNEL_MODULE_CMA_H_
/* * The MIT License (MIT) * * COPYRIGHT (C) 2017 Institute of Electronics and Computer Science (EDI), Latvia. * AUTHOR: Rihards Novickis ([email protected]) * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * THE SOFTWARE. * */ /*! * Copyright (c) 2018 by Contributors * \file cma_api.cc * \brief Application layer implementation for contigous memory allocation. */ /* Private functions */ void* cma_alloc(size_t size, unsigned ioctl_cmd); /* Global file descriptor */ int cma_fd = 0; int cma_init(void) { __DEBUG("Opening \"/dev/" DRIVER_NODE_NAME "\" file\n"); cma_fd = open("/dev/" DRIVER_NODE_NAME, O_RDWR); if (cma_fd == -1) { __DEBUG("Failed to initialize api - \"%s\"\n", strerror(errno)); return -1; } return 0; } int cma_release(void) { __DEBUG("Closing \"/dev/" DRIVER_NODE_NAME "\" file\n"); if (close(cma_fd) == -1) { __DEBUG("Failed to finilize api - \"%s\"\n", strerror(errno)); return -1; } return 0; } void* cma_alloc_cach
ed(size_t size) { return cma_alloc(size, CMA_ALLOC_CACHED); } void* cma_alloc_noncached(size_t size) { return cma_alloc(size, CMA_ALLOC_NONCACHED); } int cma_free(void* mem) { __DEBUG("Releasing contigous memory from 0x%x\n", (unsigned)mem); unsigned data, v_addr; /* save user space pointer value */ data = (unsigned)mem; v_addr = (unsigned)mem; if (ioctl(cma_fd, CMA_GET_SIZE, &data) == -1) { __DEBUG("cma_free - ioctl command unsuccsessful - 0\n"); return -1; } /* data now contains size */ /* unmap memory */ munmap(mem, data); /* free cma entry */ if (ioctl(cma_fd, CMA_FREE, &v_addr) == -1) { __DEBUG("cma_free - ioctl command unsuccsessful - 1\n"); return -1; } return 0; } unsigned cma_get_phy_addr(void* mem) { unsigned data; __DEBUG("Getting physical address from 0x%x\n", (unsigned)mem); /* save user space pointer value */ data = (unsigned)mem; /* get physical address */ if (ioctl(cma_fd, CMA_GET_PHY_ADDR, &data) == -1) { __DEBUG("cma_free - ioctl command unsuccsessful\n"); return 0; } /* data now contains physical address */ return data; } void* cma_alloc(size_t size, unsigned ioctl_cmd) { unsigned data; void* mem; __DEBUG("Allocating 0x%x bytes of contigous memory\n", size); /* Page align size */ size = ROUND_UP(size, getpagesize()); /* ioctl cmd to allocate contigous memory */ data = (unsigned)size; if (ioctl(cma_fd, ioctl_cmd, &data) == -1) { __DEBUG("cma_alloc - ioctl command unsuccsessful\n"); return NULL; } /* at this point phy_addr is written to data */ /* mmap memory */ mem = mmap(NULL, size, PROT_WRITE | PROT_READ, MAP_SHARED, cma_fd, data); if (mem == MAP_FAILED) { __DEBUG("cma_alloc - mmap unsuccsessful\n"); return NULL; } return mem; }
/* * Copyright (c) 2009-2015 by llvm/compiler-rt contributors * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * THE SOFTWARE. * \file builtin_fp16.h * \brief Functions for conversion between fp32 and fp16, adopted from compiler-rt. */ static inline uint32_t __clz(uint32_t x) { int n = 32; uint32_t y; y = x >> 16; if (y) { n = n - 16; x = y; } y = x >> 8; if (y) { n = n - 8; x = y; } y = x >> 4; if (y) { n = n - 4; x = y; } y = x >> 2; if (y) { n = n - 2; x = y; } y = x >> 1; if (y) return n - 2; return n - x; } template <typename SRC_T, typename SRC_REP_T, int SRC_SIG_BITS, typename DST_T, typename DST_REP_T, int DST_SIG_BITS> static inline DST_T __truncXfYf2__(SRC_T a) { const int srcBits = sizeof(SRC_T) * 8; const int srcExpBits = srcBits - SRC_SIG_BITS - 1; const int srcInfExp = (1 << srcExpBits) - 1; const int srcExpBias = srcInfExp >> 1; const SRC_REP_T srcMinNormal = SRC_REP_T(1) << SRC_SIG_BITS; const SR
C_REP_T srcSignificandMask = srcMinNormal - 1; const SRC_REP_T srcInfinity = (SRC_REP_T)srcInfExp << SRC_SIG_BITS; const SRC_REP_T srcSignMask = SRC_REP_T(1) << (SRC_SIG_BITS + srcExpBits); const SRC_REP_T srcAbsMask = srcSignMask - 1; const SRC_REP_T roundMask = (SRC_REP_T(1) << (SRC_SIG_BITS - DST_SIG_BITS)) - 1; const SRC_REP_T halfway = SRC_REP_T(1) << (SRC_SIG_BITS - DST_SIG_BITS - 1); const SRC_REP_T srcQNaN = SRC_REP_T(1) << (SRC_SIG_BITS - 1); const SRC_REP_T srcNaNCode = srcQNaN - 1; const int dstBits = sizeof(DST_T) * 8; const int dstExpBits = dstBits - DST_SIG_BITS - 1; const int dstInfExp = (1 << dstExpBits) - 1; const int dstExpBias = dstInfExp >> 1; const int underflowExponent = srcExpBias + 1 - dstExpBias; const int overflowExponent = srcExpBias + dstInfExp - dstExpBias; const SRC_REP_T underflow = (SRC_REP_T)underflowExponent << SRC_SIG_BITS; const SRC_REP_T overflow = (SRC_REP_T)overflowExponent << SRC_SIG_BITS; const DST_REP_T dstQNaN = DST_REP_T(1) << (DST_SIG_BITS - 1); const DST_REP_T dstNaNCode = dstQNaN - 1; union SrcExchangeType { SRC_T f; SRC_REP_T i; }; SrcExchangeType src_rep; src_rep.f = a; const SRC_REP_T aRep = src_rep.i; const SRC_REP_T aAbs = aRep & srcAbsMask; const SRC_REP_T sign = aRep & srcSignMask; DST_REP_T absResult; if (aAbs - underflow < aAbs - overflow) { absResult = aAbs >> (SRC_SIG_BITS - DST_SIG_BITS); absResult -= (DST_REP_T)(srcExpBias - dstExpBias) << DST_SIG_BITS; const SRC_REP_T roundBits = aAbs & roundMask; if (roundBits > halfway) absResult++; else if (roundBits == halfway) absResult += absResult & 1; } else if (aAbs > srcInfinity) { absResult = (DST_REP_T)dstInfExp << DST_SIG_BITS; absResult |= dstQNaN; absResult |= ((aAbs & srcNaNCode) >> (SRC_SIG_BITS - DST_SIG_BITS)) & dstNaNCode; } else if (aAbs >= overflow) { absResult = (DST_REP_T)dstInfExp << DST_SIG_BITS; } else { const int a
Exp = aAbs >> SRC_SIG_BITS; const int shift = srcExpBias - dstExpBias - aExp + 1; const SRC_REP_T significand = (aRep & srcSignificandMask) | srcMinNormal; if (shift > SRC_SIG_BITS) { absResult = 0; } else { const bool sticky = significand << (srcBits - shift); SRC_REP_T denormalizedSignificand = significand >> shift | sticky; absResult = denormalizedSignificand >> (SRC_SIG_BITS - DST_SIG_BITS); const SRC_REP_T roundBits = denormalizedSignificand & roundMask; if (roundBits > halfway) absResult++; else if (roundBits == halfway) absResult += absResult & 1; } } const DST_REP_T result = absResult | sign >> (srcBits - dstBits); union DstExchangeType { DST_T f; DST_REP_T i; }; DstExchangeType dst_rep; dst_rep.i = result; return dst_rep.f; } template <typename SRC_T, typename SRC_REP_T, int SRC_SIG_BITS, typename DST_T, typename DST_REP_T, int DST_SIG_BITS> static inline DST_T __extendXfYf2__(SRC_T a) { const int srcBits = sizeof(SRC_T) * 8; const int srcExpBits = srcBits - SRC_SIG_BITS - 1; const int srcInfExp = (1 << srcExpBits) - 1; const int srcExpBias = srcInfExp >> 1; const SRC_REP_T srcMinNormal = SRC_REP_T(1) << SRC_SIG_BITS; const SRC_REP_T srcInfinity = (SRC_REP_T)srcInfExp << SRC_SIG_BITS; const SRC_REP_T srcSignMask = SRC_REP_T(1) << (SRC_SIG_BITS + srcExpBits); const SRC_REP_T srcAbsMask = srcSignMask - 1; const SRC_REP_T srcQNaN = SRC_REP_T(1) << (SRC_SIG_BITS - 1); const SRC_REP_T srcNaNCode = srcQNaN - 1; const int dstBits = sizeof(DST_T) * 8; const int dstExpBits = dstBits - DST_SIG_BITS - 1; const int dstInfExp = (1 << dstExpBits) - 1; const int dstExpBias = dstInfExp >> 1; const DST_REP_T dstMinNormal = DST_REP_T(1) << DST_SIG_BITS; union SrcExchangeType { SRC_T f; SRC_REP_T i; }; SrcExchangeType src_rep; src_rep.f = a; const SRC_REP_T aRep = src_rep.i; const SRC_REP_T aAbs = aRep & srcAbsMask; const SRC_REP_T s
ign = aRep & srcSignMask; DST_REP_T absResult; if ((SRC_REP_T)(aAbs - srcMinNormal) < srcInfinity - srcMinNormal) { absResult = (DST_REP_T)aAbs << (DST_SIG_BITS - SRC_SIG_BITS); absResult += (DST_REP_T)(dstExpBias - srcExpBias) << DST_SIG_BITS; } else if (aAbs >= srcInfinity) { absResult = (DST_REP_T)dstInfExp << DST_SIG_BITS; absResult |= (DST_REP_T)(aAbs & srcQNaN) << (DST_SIG_BITS - SRC_SIG_BITS); absResult |= (DST_REP_T)(aAbs & srcNaNCode) << (DST_SIG_BITS - SRC_SIG_BITS); } else if (aAbs) { const int scale = __clz(aAbs) - __clz(srcMinNormal); absResult = (DST_REP_T)aAbs << (DST_SIG_BITS - SRC_SIG_BITS + scale); absResult ^= dstMinNormal; const int resultExponent = dstExpBias - srcExpBias - scale + 1; absResult |= (DST_REP_T)resultExponent << DST_SIG_BITS; } else { absResult = 0; } const DST_REP_T result = absResult | (DST_REP_T)sign << (dstBits - srcBits); union DstExchangeType { DST_T f; DST_REP_T i; }; DstExchangeType dst_rep; dst_rep.i = result; return dst_rep.f; }
/* * Library: libcrc * File: include/checksum.h * Author: Lammert Bies * * This file is licensed under the MIT License as stated below * * Copyright (c) 1999-2018 Lammert Bies * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in all * copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE * SOFTWARE. * * Description * ----------- * The headerfile include/checksum.h contains the definitions and prototypes * for routines that can be used to calculate several kinds of checksums. */ extern "C" { /* * * * The constants of the form CRC_POLY_xxxx define the polynomials for some well * known CRC calculations. */ /* * * * The constants of the form CRC_START_xxxx define the values that are used for * initialization of a CRC value for common used calculation methods. */ /* * Prototype list of global functions */ unsigned char* checksum_NMEA(const unsigned char* input_str, unsigned char* result); uint8_t crc_8(const unsigned char* input_str, size_t num_bytes); uint16_t crc_16(const unsigned char* input_str, size_t num_bytes); uint
32_t crc_32(const unsigned char* input_str, size_t num_bytes); uint64_t crc_64_ecma(const unsigned char* input_str, size_t num_bytes); uint64_t crc_64_we(const unsigned char* input_str, size_t num_bytes); uint16_t crc_ccitt_1d0f(const unsigned char* input_str, size_t num_bytes); uint16_t crc_ccitt_ffff(const unsigned char* input_str, size_t num_bytes); uint16_t crc_dnp(const unsigned char* input_str, size_t num_bytes); uint16_t crc_kermit(const unsigned char* input_str, size_t num_bytes); uint16_t crc_modbus(const unsigned char* input_str, size_t num_bytes); uint16_t crc_sick(const unsigned char* input_str, size_t num_bytes); uint16_t crc_xmodem(const unsigned char* input_str, size_t num_bytes); uint8_t update_crc_8(uint8_t crc, unsigned char c); uint16_t update_crc_16(uint16_t crc, unsigned char c); uint32_t update_crc_32(uint32_t crc, unsigned char c); uint64_t update_crc_64_ecma(uint64_t crc, unsigned char c); uint16_t update_crc_ccitt(uint16_t crc, unsigned char c); uint16_t update_crc_dnp(uint16_t crc, unsigned char c); uint16_t update_crc_kermit(uint16_t crc, unsigned char c); uint16_t update_crc_sick(uint16_t crc, unsigned char c, unsigned char prev_byte); /* * Global CRC lookup tables */ extern const uint32_t crc_tab32[]; extern const uint64_t crc_tab64[]; }
/* * Library: libcrc * File: src/crcccitt.c * Author: Lammert Bies * * This file is licensed under the MIT License as stated below * * Copyright (c) 1999-2016 Lammert Bies * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in all * copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE * SOFTWARE. * * Description * ----------- * The module src/crcccitt.c contains routines which are used to calculate the * CCITT CRC values of a string of bytes. */ static uint16_t crc_ccitt_generic(const unsigned char* input_str, size_t num_bytes, uint16_t start_value); /* * uint16_t crc_xmodem( const unsigned char *input_str, size_t num_bytes ); * * The function crc_xmodem() performs a one-pass calculation of an X-Modem CRC * for a byte string that has been passed as a parameter. */ uint16_t crc_xmodem(const unsigned char* input_str, size_t num_bytes) { return crc_ccitt_generic(input_str, num_bytes, CRC_START_XMODEM); } /* crc_xmodem */ /* * uint16_t crc_ccitt_1d0f( const unsigned char *input_str, size_t num_bytes ); * * The func
tion crc_ccitt_1d0f() performs a one-pass calculation of the CCITT * CRC for a byte string that has been passed as a parameter. The initial value * 0x1d0f is used for the CRC. */ uint16_t crc_ccitt_1d0f(const unsigned char* input_str, size_t num_bytes) { return crc_ccitt_generic(input_str, num_bytes, CRC_START_CCITT_1D0F); } /* crc_ccitt_1d0f */ /* * uint16_t crc_ccitt_ffff( const unsigned char *input_str, size_t num_bytes ); * * The function crc_ccitt_ffff() performs a one-pass calculation of the CCITT * CRC for a byte string that has been passed as a parameter. The initial value * 0xffff is used for the CRC. */ uint16_t crc_ccitt_ffff(const unsigned char* input_str, size_t num_bytes) { return crc_ccitt_generic(input_str, num_bytes, CRC_START_CCITT_FFFF); } /* crc_ccitt_ffff */ /* * static uint16_t crc_ccitt_generic( const unsigned char *input_str, size_t num_bytes, uint16_t * start_value ); * * The function crc_ccitt_generic() is a generic implementation of the CCITT * algorithm for a one-pass calculation of the CRC for a byte string. The * function accepts an initial start value for the crc. */ static uint16_t crc_ccitt_generic(const unsigned char* input_str, size_t num_bytes, uint16_t start_value) { uint16_t crc; const unsigned char* ptr; size_t a; crc = start_value; ptr = input_str; if (ptr != NULL) for (a = 0; a < num_bytes; a++) { crc = (crc << 8) ^ crc_tabccitt[((crc >> 8) ^ (uint16_t)*ptr++) & 0x00FF]; } return crc; } /* crc_ccitt_generic */ /* * uint16_t update_crc_ccitt( uint16_t crc, unsigned char c ); * * The function update_crc_ccitt() calculates a new CRC-CCITT value based on * the previous value of the CRC and the next byte of the data to be checked. */ uint16_t update_crc_ccitt(uint16_t crc, unsigned char c) { return (crc << 8) ^ crc_tabccitt[((crc >> 8) ^ (uint16_t)c) & 0x00FF]; } /* update_crc_ccitt */
/* * Copyright 2009-2010 Cybozu Labs, Inc. * Copyright 2011-2014 Kazuho Oku * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * 1. Redistributions of source code must retain the above copyright notice, * this list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright notice, * this list of conditions and the following disclaimer in the documentation * and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ extern "C" { } (defined(_MSC_VER) && _MSC_VER >= 1600) extern "C" { } do { \ if (!(e)) throw std::runtime_error( } while (0) do { \ if (!(e)) std::abort(); \ } while (0) namespace picojson { enum { null_type, boolean_type, number_type, string_type, array_type, object_type , int64_type }; enum { INDENT_WIDTH = 2 };
struct null {};
class value { public: typedef std::vector<value> array; typedef std::unordered_map<std::string, value> object; union _storage { bool boolean_; double number_; int64_t int64_; std::string* string_; array* array_; object* object_; }; protected: int type_; _storage u_; public: value(); value(int type, bool); explicit value(bool b); explicit value(int64_t i); explicit value(double n); explicit value(const std::string& s); explicit value(const array& a); explicit value(const object& o); explicit value(std::string&& s); explicit value(array&& a); explicit value(object&& o); explicit value(const char* s); value(const char* s, size_t len); ~value(); value(const value& x); value& operator=(const value& x); value(value&& x) PICOJSON_NOEXCEPT; value& operator=(value&& x) PICOJSON_NOEXCEPT; void swap(value& x) PICOJSON_NOEXCEPT; template <typename T> bool is() const; template <typename T> const T& get() const; template <typename T> T& get(); template <typename T> void set(const T&); template <typename T> void set(T&&); bool evaluate_as_boolean() const; const value& get(const size_t idx) const; const value& get(const std::string& key) const; value& get(const size_t idx); value& get(const std::string& key); bool contains(const size_t idx) const; bool contains(const std::string& key) const; std::string to_str() const; template <typename Iter> void serialize(Iter os, bool prettify = false) const; std::string serialize(bool prettify = false) const; private: template <typename T> value(const T*); template <typename Iter> static void _indent(Iter os, int indent); template <typename Iter> void _serialize(Iter os, int indent) const; std::string _serialize(int indent) const; void clear(); }; typedef value::array array; typedef value::object object; inline value::value() : type_(null_type), u_() {} inline value::value(int type, bool) : type_(type), u_() { sw
itch (type) { case p u_.p = v; \ break INIT(boolean_, false); INIT(number_, 0.0); INIT(int64_, 0); INIT(string_, new std::string()); INIT(array_, new array()); INIT(object_, new object()); default: break; } } inline value::value(bool b) : type_(boolean_type), u_() { u_.boolean_ = b; } inline value::value(int64_t i) : type_(int64_type), u_() { u_.int64_ = i; } inline value::value(double n) : type_(number_type), u_() { if ( !_finite(n) std::isnan(n) || std::isinf(n) isnan(n) || isinf(n) ) { throw std::overflow_error(""); std::abort(); } u_.number_ = n; } inline value::value(const std::string& s) : type_(string_type), u_() { u_.string_ = new std::string(s); } inline value::value(const array& a) : type_(array_type), u_() { u_.array_ = new array(a); } inline value::value(const object& o) : type_(object_type), u_() { u_.object_ = new object(o); } inline value::value(std::string&& s) : type_(string_type), u_() { u_.string_ = new std::string(std::move(s)); } inline value::value(array&& a) : type_(array_type), u_() { u_.array_ = new array(std::move(a)); } inline value::value(object&& o) : type_(object_type), u_() { u_.object_ = new object(std::move(o)); } inline value::value(const char* s) : type_(string_type), u_() { u_.string_ = new std::string(s); } inline value::value(const char* s, size_t len) : type_(string_type), u_() { u_.string_ = new std::string(s, len); } inline void value::clear() { switch (type_) { case p delete u_.p; \ break DEINIT(string_); DEINIT(array_); DEINIT(object_); default: break; } } inline value::~value() { clear(); } inline value::value(const value& x) : type_(x.type_), u_() { switch (type_) { case p u_.p = v; \ break INIT(string_, new std::string(*x.u_.string_)); INIT(array_, new array(*x.u_.array_)); INIT(object_, new object(*x.u_.object_)); default: u_ = x.u_; break; } } inline value& v
alue::operator=(const value& x) { if (this != &x) { value t(x); swap(t); } return *this; } inline value::value(value&& x) PICOJSON_NOEXCEPT : type_(null_type), u_() { swap(x); } inline value& value::operator=(value&& x) PICOJSON_NOEXCEPT { swap(x); return *this; } inline void value::swap(value& x) PICOJSON_NOEXCEPT { std::swap(type_, x.type_); std::swap(u_, x.u_); } template <> \ inline bool value::is<ctype>() const { \ return type_ == jtype } IS(null, null) IS(bool, boolean) IS(int64_t, int64) IS(std::string, string) IS(array, array) IS(object, object) template <> inline bool value::is<double>() const { return type_ == number_type || type_ == int64_type ; } template <> \ inline const ctype& value::get<ctype>() const { \ PICOJSON_ASSERT("type mismatch! call is<type>() before get<type>()" && is<ctype>()); \ return var; \ } \ template <> \ inline ctype& value::get<ctype>() { \ PICOJSON_ASSERT("type mismatch! call is<type>() before get<type>()" && is<ctype>()); \ return var; \ } GET(bool, u_.boolean_) GET(std::string, *u_.string_) GET(array, *u_.array_) GET(object, *u_.object_) GET(double, (type_ == int64_type && (const_cast<value*>(this)->type_ = number_type, const_cast<value*>(this)->u_.number_ = u_.int64_), u_.number_)) GET(int64_t, u_.int64_) GET(double, u_.number_) template <> \ inline void value::set<ctype>(const ctype& _val) { \
clear(); \ type_ = jtype setter \ } SET(bool, boolean, u_.boolean_ = _val;) SET(std::string, string, u_.string_ = new std::string(_val);) SET(array, array, u_.array_ = new array(_val);) SET(object, object, u_.object_ = new object(_val);) SET(double, number, u_.number_ = _val;) SET(int64_t, int64, u_.int64_ = _val;) template <> \ inline void value::set<ctype>(ctype && _val) { \ clear(); \ type_ = jtype setter \ } MOVESET(std::string, string, u_.string_ = new std::string(std::move(_val));) MOVESET(array, array, u_.array_ = new array(std::move(_val));) MOVESET(object, object, u_.object_ = new object(std::move(_val));) inline bool value::evaluate_as_boolean() const { switch (type_) { case null_type: return false; case boolean_type: return u_.boolean_; case number_type: return u_.number_ != 0; case int64_type: return u_.int64_ != 0; case string_type: return !u_.string_->empty(); default: return true; } } inline const value& value::get(const size_t idx) const { static value s_null; PICOJSON_ASSERT(is<array>()); return idx < u_.array_->size() ? (*u_.array_)[idx] : s_null; } inline value& value::get(const size_t idx) { static value s_null; PICOJSON_ASSERT(is<array>()); return idx < u_.array_->size() ? (*u_.array_)[idx] : s_null; } inline const value& value::get(const std::string& key) const { static value s_null; PICOJSON_ASSERT(is<object>()); object::const_iterator i = u_.object_->find(key); return i != u_.object_->end() ? i->second : s_null; } inline value& value::get(const std::string& key) { static value s_null; PICOJSON_ASSERT(is<object>()); object::iterator i = u_.object_->find(key); return i != u_.object_->end() ? i->second : s_null; } inline bool value::contains(const size_t idx) const {
PICOJSON_ASSERT(is<array>()); return idx < u_.array_->size(); } inline bool value::contains(const std::string& key) const { PICOJSON_ASSERT(is<object>()); object::const_iterator i = u_.object_->find(key); return i != u_.object_->end(); } inline std::string value::to_str() const { switch (type_) { case null_type: return "null"; case boolean_type: return u_.boolean_ ? "true" : "false"; case int64_type: { char buf[sizeof("-9223372036854775808")]; SNPRINTF(buf, sizeof(buf), "%" PRId64, u_.int64_); return buf; } case number_type: { char buf[256]; double tmp; SNPRINTF(buf, sizeof(buf), fabs(u_.number_) < (1ULL << 53) && modf(u_.number_, &tmp) == 0 ? "%.f" : "%.17g", u_.number_); char* decimal_point = localeconv()->decimal_point; if (strcmp(decimal_point, ".") != 0) { size_t decimal_point_len = strlen(decimal_point); for (char* p = buf; *p != '\0'; ++p) { if (strncmp(p, decimal_point, decimal_point_len) == 0) { return std::string(buf, p) + "." + (p + decimal_point_len); } } } return buf; } case string_type: return *u_.string_; case array_type: return "array"; case object_type: return "object"; default: PICOJSON_ASSERT(0); __assume(0); } return std::string(); } template <typename Iter> void copy(const std::string& s, Iter oi) { std::copy(s.begin(), s.end(), oi); } template <typename Iter>
struct serialize_str_char { Iter oi; void operator()(char c) { switch (c) { case val: \ copy(sym, oi); \ break MAP('"', "\\\""); MAP('\\', "\\\\"); MAP('/', "\\/"); MAP('\b', "\\b"); MAP('\f', "\\f"); MAP('\n', "\\n"); MAP('\r', "\\r"); MAP('\t', "\\t"); default: if (static_cast<unsigned char>(c) < 0x20 || c == 0x7f) { char buf[7]; SNPRINTF(buf, sizeof(buf), "\\u%04x", c & 0xff); copy(buf, buf + 6, oi); } else { *oi++ = c; } break; } } }; template <typename Iter> void serialize_str(const std::string& s, Iter oi) { *oi++ = '"'; serialize_str_char<Iter> process_char = {oi}; std::for_each(s.begin(), s.end(), process_char); *oi++ = '"'; } template <typename Iter> void value::serialize(Iter oi, bool prettify) const { return _serialize(oi, prettify ? 0 : -1); } inline std::string value::serialize(bool prettify) const { return _serialize(prettify ? 0 : -1); } template <typename Iter> void value::_indent(Iter oi, int indent) { *oi++ = '\n'; for (int i = 0; i < indent * INDENT_WIDTH; ++i) { *oi++ = ' '; } } template <typename Iter> void value::_serialize(Iter oi, int indent) const { switch (type_) { case string_type: serialize_str(*u_.string_, oi); break; case array_type: { *oi++ = '['; if (indent != -1) { ++indent; } for (array::const_iterator i = u_.array_->begin(); i != u_.array_->end(); ++i) { if (i != u_.array_->begin()) { *oi++ = ','; } if (indent != -1) { _indent(oi, indent); } i->_serialize(oi, indent); } if (indent != -1) { --indent; if (!u_.array_->empty()) { _indent(oi, indent); } } *oi++ = ']'; break; } case object_type: { *oi++ = '{'; if (indent != -1) { ++indent; } for (object::const_iterator i = u_.object_-
>begin(); i != u_.object_->end(); ++i) { if (i != u_.object_->begin()) { *oi++ = ','; } if (indent != -1) { _indent(oi, indent); } serialize_str(i->first, oi); *oi++ = ':'; if (indent != -1) { *oi++ = ' '; } i->second._serialize(oi, indent); } if (indent != -1) { --indent; if (!u_.object_->empty()) { _indent(oi, indent); } } *oi++ = '}'; break; } default: copy(to_str(), oi); break; } if (indent == 0) { *oi++ = '\n'; } } inline std::string value::_serialize(int indent) const { std::string s; _serialize(std::back_inserter(s), indent); return s; } template <typename Iter>
class input { protected: Iter cur_, end_; bool consumed_; int line_; public: input(const Iter& first, const Iter& last) : cur_(first), end_(last), consumed_(false), line_(1) {} int getc() { if (consumed_) { if (*cur_ == '\n') { ++line_; } ++cur_; } if (cur_ == end_) { consumed_ = false; return -1; } consumed_ = true; return *cur_ & 0xff; } void ungetc() { consumed_ = false; } Iter cur() const { if (consumed_) { input<Iter>* self = const_cast<input<Iter>*>(this); self->consumed_ = false; ++self->cur_; } return cur_; } int line() const { return line_; } void skip_ws() { while (1) { int ch = getc(); if (!(ch == ' ' || ch == '\t' || ch == '\n' || ch == '\r')) { ungetc(); break; } } } bool expect(const int expected) { skip_ws(); if (getc() != expected) { ungetc(); return false; } return true; } bool match(const std::string& pattern) { for (std::string::const_iterator pi(pattern.begin()); pi != pattern.end(); ++pi) { if (getc() != *pi) { ungetc(); return false; } } return true; } }; template <typename Iter> inline int _parse_quadhex(input<Iter>& in) { int uni_ch = 0, hex; for (int i = 0; i < 4; i++) { if ((hex = in.getc()) == -1) { return -1; } if ('0' <= hex && hex <= '9') { hex -= '0'; } else if ('A' <= hex && hex <= 'F') { hex -= 'A' - 0xa; } else if ('a' <= hex && hex <= 'f') { hex -= 'a' - 0xa; } else { in.ungetc(); return -1; } uni_ch = uni_ch * 16 + hex; } return uni_ch; } template <typename String, typename Iter> inline bool _parse_codepoint(String& out, input<Iter>& in) { int uni_ch; if ((uni_ch = _parse_quadhex(in)) == -1) { return false; } if (0xd800 <= uni_ch && uni_ch <= 0xdfff) { if (0xdc00 <= uni_ch) { return false; } if (in.getc() != '\\' || in.
getc() != 'u') { in.ungetc(); return false; } int second = _parse_quadhex(in); if (!(0xdc00 <= second && second <= 0xdfff)) { return false; } uni_ch = ((uni_ch - 0xd800) << 10) | ((second - 0xdc00) & 0x3ff); uni_ch += 0x10000; } if (uni_ch < 0x80) { out.push_back(static_cast<char>(uni_ch)); } else { if (uni_ch < 0x800) { out.push_back(static_cast<char>(0xc0 | (uni_ch >> 6))); } else { if (uni_ch < 0x10000) { out.push_back(static_cast<char>(0xe0 | (uni_ch >> 12))); } else { out.push_back(static_cast<char>(0xf0 | (uni_ch >> 18))); out.push_back(static_cast<char>(0x80 | ((uni_ch >> 12) & 0x3f))); } out.push_back(static_cast<char>(0x80 | ((uni_ch >> 6) & 0x3f))); } out.push_back(static_cast<char>(0x80 | (uni_ch & 0x3f))); } return true; } template <typename String, typename Iter> inline bool _parse_string(String& out, input<Iter>& in) { while (1) { int ch = in.getc(); if (ch < ' ') { in.ungetc(); return false; } else if (ch == '"') { return true; } else if (ch == '\\') { if ((ch = in.getc()) == -1) { return false; } switch (ch) { case sym: \ out.push_back(val); \ break MAP('"', '\"'); MAP('\\', '\\'); MAP('/', '/'); MAP('b', '\b'); MAP('f', '\f'); MAP('n', '\n'); MAP('r', '\r'); MAP('t', '\t'); case 'u': if (!_parse_codepoint(out, in)) { return false; } break; default: return false; } } else { out.push_back(static_cast<char>(ch)); } } return false; } template <typename Context, typename Iter> inline bool _parse_array(Context& ctx, input<Iter>& in) { if (!ctx.parse_array_start()) { return false; } size_t idx = 0; if (in.expect(']')) { return ctx.parse_array_stop(idx); } do { if (!ctx.parse_array_item(in, idx)) { return fals
e; } idx++; } while (in.expect(',')); return in.expect(']') && ctx.parse_array_stop(idx); } template <typename Context, typename Iter> inline bool _parse_object(Context& ctx, input<Iter>& in) { if (!ctx.parse_object_start()) { return false; } if (in.expect('}')) { return true; } do { std::string key; if (!in.expect('"') || !_parse_string(key, in) || !in.expect(':')) { return false; } if (!ctx.parse_object_item(in, key)) { return false; } } while (in.expect(',')); return in.expect('}'); } template <typename Iter> inline std::string _parse_number(input<Iter>& in) { std::string num_str; while (1) { int ch = in.getc(); if (('0' <= ch && ch <= '9') || ch == '+' || ch == '-' || ch == 'e' || ch == 'E') { num_str.push_back(static_cast<char>(ch)); } else if (ch == '.') { num_str += localeconv()->decimal_point; num_str.push_back('.'); } else { in.ungetc(); break; } } return num_str; } template <typename Context, typename Iter> inline bool _parse(Context& ctx, input<Iter>& in) { in.skip_ws(); int ch = in.getc(); switch (ch) { case ch: \ if (in.match(text) && op) { \ return true; \ } else { \ return false; \ } IS('n', "ull", ctx.set_null()); IS('f', "alse", ctx.set_bool(false)); IS('t', "rue", ctx.set_bool(true)); case '"': return ctx.parse_string(in); case '[': return _parse_array(ctx, in); case '{': return _parse_object(ctx, in); default: if (('0' <= ch && ch <= '9') || ch == '-') { double f; char* endp; in.ungetc(); std::string num_str(_parse_number(in)); if (num_str.empty()) { return false; } { errno = 0; intmax_t ival = strtoimax(num_str.c_str(), &endp, 10); if (errno == 0 && std::numeric_limits<int64_t>::min() <= ival && ival <= st
d::numeric_limits<int64_t>::max() && endp == num_str.c_str() + num_str.size()) { ctx.set_int64(ival); return true; } } f = strtod(num_str.c_str(), &endp); if (endp == num_str.c_str() + num_str.size()) { ctx.set_number(f); return true; } return false; } break; } in.ungetc(); return false; }
class deny_parse_context { public: bool set_null() { return false; } bool set_bool(bool) { return false; } bool set_int64(int64_t) { return false; } bool set_number(double) { return false; } template <typename Iter> bool parse_string(input<Iter>&) { return false; } bool parse_array_start() { return false; } template <typename Iter> bool parse_array_item(input<Iter>&, size_t) { return false; } bool parse_array_stop(size_t) { return false; } bool parse_object_start() { return false; } template <typename Iter> bool parse_object_item(input<Iter>&, const std::string&) { return false; } };
class default_parse_context { protected: value* out_; public: default_parse_context(value* out) : out_(out) {} bool set_null() { *out_ = value(); return true; } bool set_bool(bool b) { *out_ = value(b); return true; } bool set_int64(int64_t i) { *out_ = value(i); return true; } bool set_number(double f) { *out_ = value(f); return true; } template <typename Iter> bool parse_string(input<Iter>& in) { *out_ = value(string_type, false); return _parse_string(out_->get<std::string>(), in); } bool parse_array_start() { *out_ = value(array_type, false); return true; } template <typename Iter> bool parse_array_item(input<Iter>& in, size_t) { array& a = out_->get<array>(); a.push_back(value()); default_parse_context ctx(&a.back()); return _parse(ctx, in); } bool parse_array_stop(size_t) { return true; } bool parse_object_start() { *out_ = value(object_type, false); return true; } template <typename Iter> bool parse_object_item(input<Iter>& in, const std::string& key) { object& o = out_->get<object>(); default_parse_context ctx(&o[key]); return _parse(ctx, in); } private: default_parse_context(const default_parse_context&); default_parse_context& operator=(const default_parse_context&); };
class null_parse_context { public:
struct dummy_str { void push_back(int) {} }; public: null_parse_context() {} bool set_null() { return true; } bool set_bool(bool) { return true; } bool set_int64(int64_t) { return true; } bool set_number(double) { return true; } template <typename Iter> bool parse_string(input<Iter>& in) { dummy_str s; return _parse_string(s, in); } bool parse_array_start() { return true; } template <typename Iter> bool parse_array_item(input<Iter>& in, size_t) { return _parse(*this, in); } bool parse_array_stop(size_t) { return true; } bool parse_object_start() { return true; } template <typename Iter> bool parse_object_item(input<Iter>& in, const std::string&) { return _parse(*this, in); } private: null_parse_context(const null_parse_context&); null_parse_context& operator=(const null_parse_context&); }; template <typename Iter> inline std::string parse(value& out, Iter& pos, const Iter& last) { std::string err; pos = parse(out, pos, last, &err); return err; } template <typename Context, typename Iter> inline Iter _parse(Context& ctx, const Iter& first, const Iter& last, std::string* err) { input<Iter> in(first, last); if (!_parse(ctx, in) && err != NULL) { char buf[64]; SNPRINTF(buf, sizeof(buf), "syntax error at line %d near: ", in.line()); *err = buf; while (1) { int ch = in.getc(); if (ch == -1 || ch == '\n') { break; } else if (ch >= ' ') { err->push_back(static_cast<char>(ch)); } } } return in.cur(); } template <typename Iter> inline Iter parse(value& out, const Iter& first, const Iter& last, std::string* err) { default_parse_context ctx(&out); return _parse(ctx, first, last, err); } inline std::string parse(value& out, const std::string& s) { std::string err; parse(out, s.begin(), s.end(), &err); return err; } inline std::string parse(value& out, std::istream& is) { std::string err; parse(out, std::istreambuf_iterator<char>(is.rdbuf()), std::istreamb
uf_iterator<char>(), &err); return err; } template <typename T>
struct last_error_t { static std::string s; }; template <typename T> std::string last_error_t<T>::s; inline void set_last_error(const std::string& s) { last_error_t<bool>::s = s; } inline const std::string& get_last_error() { return last_error_t<bool>::s; } inline bool operator==(const value& x, const value& y) { if (x.is<null>()) return y.is<null>(); if (x.is<type>()) return y.is<type>() && x.get<type>() == y.get<type>() PICOJSON_CMP(bool); PICOJSON_CMP(double); PICOJSON_CMP(std::string); PICOJSON_CMP(array); PICOJSON_CMP(object); PICOJSON_ASSERT(0); __assume(0); return false; } inline bool operator!=(const value& x, const value& y) { return !(x == y); } } namespace std { template <> inline void swap(picojson::value& x, picojson::value& y) { x.swap(y); } } inline std::istream& operator>>(std::istream& is, picojson::value& x) { picojson::set_last_error(std::string()); const std::string err(picojson::parse(x, is)); if (!err.empty()) { picojson::set_last_error(err); is.setstate(std::ios::failbit); } return is; } inline std::ostream& operator<<(std::ostream& os, const picojson::value& x) { x.serialize(std::ostream_iterator<char>(os)); return os; }
/* * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright ownership. * The ASF licenses this file to You under the Apache License, Version 2.0 * (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * * http: * * 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. */ package org.apache.tvm.android.androidcamerademo;
import android.annotation.SuppressLint;
import android.content.res.AssetManager;
import android.graphics.Bitmap;
import android.graphics.Canvas;
import android.graphics.Matrix;
import android.media.Image;
import android.os.AsyncTask;
import android.os.Bundle;
import android.os.SystemClock;
import android.util.Log;
import android.util.Size;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ArrayAdapter;
import android.widget.ListView;
import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import androidx.appcompat.widget.AppCompatTextView;
import androidx.camera.core.Camera;
import androidx.camera.core.CameraSelector;
import androidx.camera.core.ImageAnalysis;
import androidx.camera.core.ImageProxy;
import androidx.camera.core.Preview;
import androidx.camera.lifecycle.ProcessCameraProvider;
import androidx.camera.view.PreviewView;
import androidx.core.content.ContextCompat;
import androidx.fragment.app.Fragment;
import androidx.renderscript.Allocation;
import androidx.renderscript.Element;
import androidx.renderscript.RenderScript;
import androidx.renderscript.Script;
import androidx.renderscript.Type;
import com.google.common.util.concurrent.ListenableFuture;
import org.apache.tvm.Function;
import org.apache.tvm.Module;
import org.apache.tvm.NDArray;
import org.apache.tvm.Device;
import org.apache.tvm.TVMType;
import org.apache.tvm.TVMValue;
import org.json.JSONException;
import org.json.JSONObject;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.nio.ByteBuffer;
import java.util.PriorityQueue;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.LinkedBlockingQueue;
import java.util.concurrent.Semaphore;
import java.util.concurrent.ThreadPoolExecutor;
import java.util.concurrent.TimeUnit; public class Camera2BasicFragment extends Fragment { private static final String TAG = Camera2BasicFragment.class.getSimpleName(); private static final int OUTPUT_INDEX = 0; private static final int IMG_CHANNEL = 3; private static final boolean EXE_GPU = false; private static final int MODEL_INPUT_SIZE = 224; private static final String MODEL_CL_LIB_FILE = "deploy_lib_opencl.so"; private static final String MODEL_CPU_LIB_FILE = "deploy_lib_cpu.so"; private static final String MODEL_GRAPH_FILE = "deploy_graph.json"; private static final String MODEL_PARAM_FILE = "deploy_param.params"; private static final String MODEL_LABEL_FILE = "image_net_labels.json"; private static final String MODELS = "models"; private static String INPUT_NAME = "input_1"; private static String[] models; private static String mCurModel = ""; private final float[] mCHW = new float[MODEL_INPUT_SIZE * MODEL_INPUT_SIZE * IMG_CHANNEL]; private final float[] mCHW2 = new float[MODEL_INPUT_SIZE * MODEL_INPUT_SIZE * IMG_CHANNEL]; private final Semaphore isProcessingDone = new Semaphore(1); private final ThreadPoolExecutor threadPoolExecutor = new ThreadPoolExecutor( 3, 3, 1, TimeUnit.SECONDS, new LinkedBlockingQueue<>() ); private RenderScript rs; private ScriptC_yuv420888 mYuv420; private boolean mRunClassifier = false; private AppCompatTextView mResultView; private AppCompatTextView mInfoView; private ListView mModelView; private AssetManager assetManager; private Module graphExecutorModule; private JSONObject labels; private ListenableFuture<ProcessCameraProvider> cameraProviderFuture; private PreviewView previewView; private ImageAnalysis imageAnalysis; static Camera2BasicFragment newInstance() { return new Camera2BasicFragment(); } private static Matrix getTransformationMatrix( fi
nal int srcWidth, final int srcHeight, final int dstWidth, final int dstHeight, final int applyRotation, final boolean maintainAspectRatio) { final Matrix matrix = new Matrix(); if (applyRotation != 0) { if (applyRotation % 90 != 0) { Log.w(TAG, "Rotation of %d % 90 != 0 " + applyRotation); } matrix.postTranslate(-srcWidth / 2.0f, -srcHeight / 2.0f); matrix.postRotate(applyRotation); } final boolean transpose = (Math.abs(applyRotation) + 90) % 180 == 0; final int inWidth = transpose ? srcHeight : srcWidth; final int inHeight = transpose ? srcWidth : srcHeight; if (inWidth != dstWidth || inHeight != dstHeight) { final float scaleFactorX = dstWidth / (float) inWidth; final float scaleFactorY = dstHeight / (float) inHeight; if (maintainAspectRatio) { final float scaleFactor = Math.max(scaleFactorX, scaleFactorY); matrix.postScale(scaleFactor, scaleFactor); } else { matrix.postScale(scaleFactorX, scaleFactorY); } } if (applyRotation != 0) { matrix.postTranslate(dstWidth / 2.0f, dstHeight / 2.0f); } return matrix; } private String[] getModels() { String[] models; try { models = getActivity().getAssets().list(MODELS); } catch (IOException e) { return null; } return models; } @SuppressLint("DefaultLocale") private String[] inference(float[] chw) { NDArray inputNdArray = NDArray.empty(new long[]{1, IMG_CHANNEL, MODEL_INPUT_SIZE, MODEL_INPUT_SIZE}, new TVMType("float32")); inputNdArray.copyFrom(chw); Function setInputFunc = graphExecutorModule.getFunction("set_inpu
t"); setInputFunc.pushArg(INPUT_NAME).pushArg(inputNdArray).invoke(); inputNdArray.release(); setInputFunc.release(); Function runFunc = graphExecutorModule.getFunction("run"); runFunc.invoke(); runFunc.release(); NDArray outputNdArray = NDArray.empty(new long[]{1, 1000}, new TVMType("float32")); Function getOutputFunc = graphExecutorModule.getFunction("get_output"); getOutputFunc.pushArg(OUTPUT_INDEX).pushArg(outputNdArray).invoke(); float[] output = outputNdArray.asFloatArray(); outputNdArray.release(); getOutputFunc.release(); if (null != output) { String[] results = new String[5]; PriorityQueue<Integer> pq = new PriorityQueue<>(1000, (Integer idx1, Integer idx2) -> output[idx1] > output[idx2] ? -1 : 1); for (int j = 0; j < output.length; ++j) { pq.add(j); } for (int l = 0; l < 5; l++) { int idx = pq.poll(); if (idx < labels.length()) { try { results[l] = String.format("%.2f", output[idx]) + " : " + labels.getString(Integer.toString(idx)); } catch (JSONException e) { Log.e(TAG, "index out of range", e); } } else { results[l] = "???: unknown"; } } return results; } return new String[5]; } private void updateActiveModel() { Log.i(TAG, "updating active model..."); new LoadModelAsyncTask().execute(); } @Override public void onViewCreated(final View view, Bundle savedInstanceState) { mResultView = view.findViewById(R.id.resultTextView); mInfoView = view.findViewById(R.id.infoTextView); mModelView = view.findViewById(R.id.modelListView); if (assetManag
er == null) { assetManager = getActivity().getAssets(); } mModelView.setChoiceMode(ListView.CHOICE_MODE_SINGLE); models = getModels(); ArrayAdapter<String> modelAdapter = new ArrayAdapter<>( getContext(), R.layout.listview_row, R.id.listview_row_text, models); mModelView.setAdapter(modelAdapter); mModelView.setItemChecked(0, true); mModelView.setOnItemClickListener( (parent, view1, position, id) -> updateActiveModel()); new LoadModelAsyncTask().execute(); } @Override public void onActivityCreated(Bundle savedInstanceState) { super.onActivityCreated(savedInstanceState); } @Override public void onDestroy() { if (null != graphExecutorModule) graphExecutorModule.release(); super.onDestroy(); } /** * Read file from assets and return byte array. * * @param assets The asset manager to be used to load assets. * @param fileName The filepath of read file. * @return byte[] file content * @throws IOException */ private byte[] getBytesFromFile(AssetManager assets, String fileName) throws IOException { InputStream is = assets.open(fileName); int length = is.available(); byte[] bytes = new byte[length]; int offset = 0; int numRead; try { while (offset < bytes.length && (numRead = is.read(bytes, offset, bytes.length - offset)) >= 0) { offset += numRead; } } finally { is.close(); } if (offset < bytes.length) { throw new IOException("Could not completely read file " + fileName); } return bytes; } /** * Get application cache path where to place compiled functions. * * @param fileName library file name. * @return String application cache folder path * @throws IO
Exception */ private String getTempLibFilePath(String fileName) throws IOException { File tempDir = File.createTempFile("tvm4j_demo_", ""); if (!tempDir.delete() || !tempDir.mkdir()) { throw new IOException("Couldn't create directory " + tempDir.getAbsolutePath()); } return (tempDir + File.separator + fileName); } private Bitmap YUV_420_888_toRGB(Image image, int width, int height) { Image.Plane[] planes = image.getPlanes(); ByteBuffer buffer = planes[0].getBuffer(); byte[] y = new byte[buffer.remaining()]; buffer.get(y); buffer = planes[1].getBuffer(); byte[] u = new byte[buffer.remaining()]; buffer.get(u); buffer = planes[2].getBuffer(); byte[] v = new byte[buffer.remaining()]; buffer.get(v); int yRowStride = planes[0].getRowStride(); int uvRowStride = planes[1].getRowStride(); int uvPixelStride = planes[1].getPixelStride(); Type.Builder typeUcharY = new Type.Builder(rs, Element.U8(rs)); typeUcharY.setX(yRowStride).setY(height); Allocation yAlloc = Allocation.createTyped(rs, typeUcharY.create()); yAlloc.copyFrom(y); mYuv420.set_ypsIn(yAlloc); Type.Builder typeUcharUV = new Type.Builder(rs, Element.U8(rs)); typeUcharUV.setX(u.length); Allocation uAlloc = Allocation.createTyped(rs, typeUcharUV.create()); uAlloc.copyFrom(u); mYuv420.set_uIn(uAlloc); Allocation vAlloc = Allocation.createTyped(rs, typeUcharUV.create()); vAlloc.copyFrom(v); mYuv420.set_vIn(vAlloc); mYuv420.set_picWidth(width); mYuv420.set_uvRowStride(uvRowStride); mYuv420.set_uvPixelStride(uvPixelStride); Bitmap outBitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); Allocation outAlloc = Allocation.createFromBitmap(rs, outBitmap, Allocation.MipmapControl.MIP