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982709199f
2740c4f Merge branch '2015_11_escape_plan' into bitcoin
7482163 Add new testcase to Makefile.am
46098ee Version 1.0.1.
ccf3575 parser: Ensure multiple values cannot follow each other
eb6cd64 Omit Obj/Arr open token from jsonTokenIsValue() test
bfef9e2 Makefile.am: list recently added test data, fail{35,36}.json
3e319f3 parser: Tighten array, object syntax checks.
c74185c parser: transform C++ variables into bitmask
f2568bc Prefer C++ STL vector .at() for accessing object values.
8eafa26 travis: run parallel 'make distcheck'
fd448da test: Improve tester diagnostics. Add failing test case from #15
2158205 Use internal, locale-independent isspace(), isdigit() implementations.
2ab9ad4 travis: Make 'make distcheck' for more comprehensive checks.
3339191 Escape all control characters
git-subtree-dir: src/univalue
git-subtree-split: 2740c4f71242086a7eb3dc32f812546ba9fad913
85 lines
1.8 KiB
C++
85 lines
1.8 KiB
C++
// Copyright 2014 BitPay Inc.
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// Distributed under the MIT software license, see the accompanying
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// file COPYING or http://www.opensource.org/licenses/mit-license.php.
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//
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// To re-create univalue_escapes.h:
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// $ g++ -o gen gen.cpp
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// $ ./gen > univalue_escapes.h
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//
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#include <stdio.h>
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#include <string.h>
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#include "univalue.h"
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using namespace std;
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static bool initEscapes;
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static std::string escapes[256];
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static void initJsonEscape()
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{
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// Escape all lower control characters (some get overridden with smaller sequences below)
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for (int ch=0x00; ch<0x20; ++ch) {
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char tmpbuf[20];
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snprintf(tmpbuf, sizeof(tmpbuf), "\\u%04x", ch);
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escapes[ch] = std::string(tmpbuf);
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}
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escapes[(int)'"'] = "\\\"";
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escapes[(int)'\\'] = "\\\\";
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escapes[(int)'\b'] = "\\b";
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escapes[(int)'\f'] = "\\f";
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escapes[(int)'\n'] = "\\n";
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escapes[(int)'\r'] = "\\r";
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escapes[(int)'\t'] = "\\t";
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escapes[(int)'\x7f'] = "\\u007f"; // U+007F DELETE
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initEscapes = true;
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}
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static void outputEscape()
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{
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printf( "// Automatically generated file. Do not modify.\n"
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"#ifndef BITCOIN_UNIVALUE_UNIVALUE_ESCAPES_H\n"
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"#define BITCOIN_UNIVALUE_UNIVALUE_ESCAPES_H\n"
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"static const char *escapes[256] = {\n");
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for (unsigned int i = 0; i < 256; i++) {
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if (escapes[i].empty()) {
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printf("\tNULL,\n");
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} else {
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printf("\t\"");
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unsigned int si;
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for (si = 0; si < escapes[i].size(); si++) {
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char ch = escapes[i][si];
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switch (ch) {
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case '"':
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printf("\\\"");
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break;
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case '\\':
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printf("\\\\");
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break;
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default:
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printf("%c", escapes[i][si]);
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break;
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}
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}
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printf("\",\n");
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}
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}
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printf( "};\n"
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"#endif // BITCOIN_UNIVALUE_UNIVALUE_ESCAPES_H\n");
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}
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int main (int argc, char *argv[])
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{
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initJsonEscape();
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outputEscape();
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return 0;
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}
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