tomFlowee
c63519fa47
The leveldb and univalue 3rd party libraries are not installed and not needed by anyone outside of the Hub. So move them there, making it easier for 3rd party usage.
125 lines
2.9 KiB
C++
125 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 <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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static std::string json_escape(const std::string& inS)
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{
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std::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 (ch < 0x80)
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outS += ch;
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else { // TODO handle UTF-8 properly
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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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std::string UniValue::write(unsigned int prettyIndent,
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unsigned int indentLevel) const
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{
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std::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, std::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, std::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, std::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.at(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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