mirror of
https://github.com/bitcoin/bitcoin.git
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7650449a67
JSON makes no distinction between numbers and reals, and our code doesn't need to do so either. This removes VREAL, as well as its specific post-processing in `UniValue::write`. Non-monetary amounts do not need to be forcibly formatted with 8 decimals, so the extra roundtrip was unnecessary (and potentially loses precision).
127 lines
2.9 KiB
C++
127 lines
2.9 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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#include <ctype.h>
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#include <iomanip>
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#include <sstream>
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#include <stdio.h>
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#include "univalue.h"
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#include "univalue_escapes.h"
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// TODO: Using UTF8
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using namespace std;
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static string json_escape(const string& inS)
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{
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string outS;
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outS.reserve(inS.size() * 2);
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for (unsigned int i = 0; i < inS.size(); i++) {
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unsigned char ch = inS[i];
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const char *escStr = escapes[ch];
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if (escStr)
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outS += escStr;
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else if (isprint(ch))
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outS += ch;
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else {
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char tmpesc[16];
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sprintf(tmpesc, "\\u%04x", ch);
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outS += tmpesc;
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}
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}
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return outS;
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}
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string UniValue::write(unsigned int prettyIndent,
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unsigned int indentLevel) const
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{
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string s;
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s.reserve(1024);
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unsigned int modIndent = indentLevel;
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if (modIndent == 0)
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modIndent = 1;
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switch (typ) {
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case VNULL:
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s += "null";
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break;
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case VOBJ:
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writeObject(prettyIndent, modIndent, s);
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break;
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case VARR:
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writeArray(prettyIndent, modIndent, s);
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break;
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case VSTR:
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s += "\"" + json_escape(val) + "\"";
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break;
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case VNUM:
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s += val;
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break;
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case VBOOL:
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s += (val == "1" ? "true" : "false");
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break;
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}
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return s;
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}
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static void indentStr(unsigned int prettyIndent, unsigned int indentLevel, string& s)
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{
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s.append(prettyIndent * indentLevel, ' ');
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}
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void UniValue::writeArray(unsigned int prettyIndent, unsigned int indentLevel, string& s) const
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{
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s += "[";
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if (prettyIndent)
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s += "\n";
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for (unsigned int i = 0; i < values.size(); i++) {
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if (prettyIndent)
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indentStr(prettyIndent, indentLevel, s);
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s += values[i].write(prettyIndent, indentLevel + 1);
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if (i != (values.size() - 1)) {
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s += ",";
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if (prettyIndent)
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s += " ";
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}
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if (prettyIndent)
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s += "\n";
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}
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if (prettyIndent)
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indentStr(prettyIndent, indentLevel - 1, s);
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s += "]";
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}
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void UniValue::writeObject(unsigned int prettyIndent, unsigned int indentLevel, string& s) const
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{
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s += "{";
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if (prettyIndent)
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s += "\n";
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for (unsigned int i = 0; i < keys.size(); i++) {
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if (prettyIndent)
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indentStr(prettyIndent, indentLevel, s);
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s += "\"" + json_escape(keys[i]) + "\":";
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if (prettyIndent)
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s += " ";
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s += values[i].write(prettyIndent, indentLevel + 1);
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if (i != (values.size() - 1))
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s += ",";
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if (prettyIndent)
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s += "\n";
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}
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if (prettyIndent)
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indentStr(prettyIndent, indentLevel - 1, s);
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s += "}";
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}
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