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remove univalue, prepare for subtree

0.13
Jonas Schnelli 9 years ago committed by Jonas Schnelli
parent
1119cc3f59
commit
0917306fdf
6 changed files with 0 additions and 1406 deletions
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  1. 77
      src/univalue/gen.cpp
  2. 303
      src/univalue/univalue.cpp
  3. 248
      src/univalue/univalue.h
  4. 262
      src/univalue/univalue_escapes.h
  5. 389
      src/univalue/univalue_read.cpp
  6. 127
      src/univalue/univalue_write.cpp

77
src/univalue/gen.cpp
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@ -1,77 +0,0 @@
// Copyright 2014 BitPay Inc.
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
//
// To re-create univalue_escapes.h:
// $ g++ -o gen gen.cpp
// $ ./gen > univalue_escapes.h
//
#include <ctype.h>
#include <stdio.h>
#include <string.h>
#include "univalue.h"
using namespace std;
static bool initEscapes;
static const char *escapes[256];
static void initJsonEscape()
{
escapes[(int)'"'] = "\\\"";
escapes[(int)'\\'] = "\\\\";
escapes[(int)'\b'] = "\\b";
escapes[(int)'\f'] = "\\f";
escapes[(int)'\n'] = "\\n";
escapes[(int)'\r'] = "\\r";
escapes[(int)'\t'] = "\\t";
initEscapes = true;
}
static void outputEscape()
{
printf( "// Automatically generated file. Do not modify.\n"
"#ifndef BITCOIN_UNIVALUE_UNIVALUE_ESCAPES_H\n"
"#define BITCOIN_UNIVALUE_UNIVALUE_ESCAPES_H\n"
"static const char *escapes[256] = {\n");
for (unsigned int i = 0; i < 256; i++) {
if (!escapes[i]) {
printf("\tNULL,\n");
} else {
printf("\t\"");
unsigned int si;
for (si = 0; si < strlen(escapes[i]); si++) {
char ch = escapes[i][si];
switch (ch) {
case '"':
printf("\\\"");
break;
case '\\':
printf("\\\\");
break;
default:
printf("%c", escapes[i][si]);
break;
}
}
printf("\",\n");
}
}
printf( "};\n"
"#endif // BITCOIN_UNIVALUE_UNIVALUE_ESCAPES_H\n");
}
int main (int argc, char *argv[])
{
initJsonEscape();
outputEscape();
return 0;
}

303
src/univalue/univalue.cpp
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@ -1,303 +0,0 @@
// Copyright 2014 BitPay Inc.
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
#include <stdint.h>
#include <ctype.h>
#include <iomanip>
#include <sstream>
#include <stdexcept> // std::runtime_error
#include "univalue.h"
#include "utilstrencodings.h" // ParseXX
using namespace std;
const UniValue NullUniValue;
void UniValue::clear()
{
typ = VNULL;
val.clear();
keys.clear();
values.clear();
}
bool UniValue::setNull()
{
clear();
return true;
}
bool UniValue::setBool(bool val_)
{
clear();
typ = VBOOL;
if (val_)
val = "1";
return true;
}
static bool validNumStr(const string& s)
{
string tokenVal;
unsigned int consumed;
enum jtokentype tt = getJsonToken(tokenVal, consumed, s.c_str());
return (tt == JTOK_NUMBER);
}
bool UniValue::setNumStr(const string& val_)
{
if (!validNumStr(val_))
return false;
clear();
typ = VNUM;
val = val_;
return true;
}
bool UniValue::setInt(uint64_t val)
{
string s;
ostringstream oss;
oss << val;
return setNumStr(oss.str());
}
bool UniValue::setInt(int64_t val)
{
string s;
ostringstream oss;
oss << val;
return setNumStr(oss.str());
}
bool UniValue::setFloat(double val)
{
string s;
ostringstream oss;
oss << std::setprecision(16) << val;
bool ret = setNumStr(oss.str());
typ = VNUM;
return ret;
}
bool UniValue::setStr(const string& val_)
{
clear();
typ = VSTR;
val = val_;
return true;
}
bool UniValue::setArray()
{
clear();
typ = VARR;
return true;
}
bool UniValue::setObject()
{
clear();
typ = VOBJ;
return true;
}
bool UniValue::push_back(const UniValue& val)
{
if (typ != VARR)
return false;
values.push_back(val);
return true;
}
bool UniValue::push_backV(const std::vector<UniValue>& vec)
{
if (typ != VARR)
return false;
values.insert(values.end(), vec.begin(), vec.end());
return true;
}
bool UniValue::pushKV(const std::string& key, const UniValue& val)
{
if (typ != VOBJ)
return false;
keys.push_back(key);
values.push_back(val);
return true;
}
bool UniValue::pushKVs(const UniValue& obj)
{
if (typ != VOBJ || obj.typ != VOBJ)
return false;
for (unsigned int i = 0; i < obj.keys.size(); i++) {
keys.push_back(obj.keys[i]);
values.push_back(obj.values[i]);
}
return true;
}
int UniValue::findKey(const std::string& key) const
{
for (unsigned int i = 0; i < keys.size(); i++) {
if (keys[i] == key)
return (int) i;
}
return -1;
}
bool UniValue::checkObject(const std::map<std::string,UniValue::VType>& t)
{
for (std::map<std::string,UniValue::VType>::const_iterator it = t.begin();
it != t.end(); it++) {
int idx = findKey(it->first);
if (idx < 0)
return false;
if (values[idx].getType() != it->second)
return false;
}
return true;
}
const UniValue& UniValue::operator[](const std::string& key) const
{
if (typ != VOBJ)
return NullUniValue;
int index = findKey(key);
if (index < 0)
return NullUniValue;
return values[index];
}
const UniValue& UniValue::operator[](unsigned int index) const
{
if (typ != VOBJ && typ != VARR)
return NullUniValue;
if (index >= values.size())
return NullUniValue;
return values[index];
}
const char *uvTypeName(UniValue::VType t)
{
switch (t) {
case UniValue::VNULL: return "null";
case UniValue::VBOOL: return "bool";
case UniValue::VOBJ: return "object";
case UniValue::VARR: return "array";
case UniValue::VSTR: return "string";
case UniValue::VNUM: return "number";
}
// not reached
return NULL;
}
const UniValue& find_value( const UniValue& obj, const std::string& name)
{
for (unsigned int i = 0; i < obj.keys.size(); i++)
{
if( obj.keys[i] == name )
{
return obj.values[i];
}
}
return NullUniValue;
}
std::vector<std::string> UniValue::getKeys() const
{
if (typ != VOBJ)
throw std::runtime_error("JSON value is not an object as expected");
return keys;
}
std::vector<UniValue> UniValue::getValues() const
{
if (typ != VOBJ && typ != VARR)
throw std::runtime_error("JSON value is not an object or array as expected");
return values;
}
bool UniValue::get_bool() const
{
if (typ != VBOOL)
throw std::runtime_error("JSON value is not a boolean as expected");
return getBool();
}
std::string UniValue::get_str() const
{
if (typ != VSTR)
throw std::runtime_error("JSON value is not a string as expected");
return getValStr();
}
int UniValue::get_int() const
{
if (typ != VNUM)
throw std::runtime_error("JSON value is not an integer as expected");
int32_t retval;
if (!ParseInt32(getValStr(), &retval))
throw std::runtime_error("JSON integer out of range");
return retval;
}
int64_t UniValue::get_int64() const
{
if (typ != VNUM)
throw std::runtime_error("JSON value is not an integer as expected");
int64_t retval;
if (!ParseInt64(getValStr(), &retval))
throw std::runtime_error("JSON integer out of range");
return retval;
}
double UniValue::get_real() const
{
if (typ != VNUM)
throw std::runtime_error("JSON value is not a number as expected");
double retval;
if (!ParseDouble(getValStr(), &retval))
throw std::runtime_error("JSON double out of range");
return retval;
}
const UniValue& UniValue::get_obj() const
{
if (typ != VOBJ)
throw std::runtime_error("JSON value is not an object as expected");
return *this;
}
const UniValue& UniValue::get_array() const
{
if (typ != VARR)
throw std::runtime_error("JSON value is not an array as expected");
return *this;
}

248
src/univalue/univalue.h
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@ -1,248 +0,0 @@
// Copyright 2014 BitPay Inc.
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
#ifndef BITCOIN_UNIVALUE_UNIVALUE_H
#define BITCOIN_UNIVALUE_UNIVALUE_H
#include <stdint.h>
#include <string>
#include <vector>
#include <map>
#include <cassert>
#include <sstream> // .get_int64()
#include <utility> // std::pair
class UniValue {
public:
enum VType { VNULL, VOBJ, VARR, VSTR, VNUM, VBOOL, };
UniValue() { typ = VNULL; }
UniValue(UniValue::VType initialType, const std::string& initialStr = "") {
typ = initialType;
val = initialStr;
}
UniValue(uint64_t val_) {
setInt(val_);
}
UniValue(int64_t val_) {
setInt(val_);
}
UniValue(bool val_) {
setBool(val_);
}
UniValue(int val_) {
setInt(val_);
}
UniValue(double val_) {
setFloat(val_);
}
UniValue(const std::string& val_) {
setStr(val_);
}
UniValue(const char *val_) {
std::string s(val_);
setStr(s);
}
~UniValue() {}
void clear();
bool setNull();
bool setBool(bool val);
bool setNumStr(const std::string& val);
bool setInt(uint64_t val);
bool setInt(int64_t val);
bool setInt(int val) { return setInt((int64_t)val); }
bool setFloat(double val);
bool setStr(const std::string& val);
bool setArray();
bool setObject();
enum VType getType() const { return typ; }
const std::string& getValStr() const { return val; }
bool empty() const { return (values.size() == 0); }
size_t size() const { return values.size(); }
bool getBool() const { return isTrue(); }
bool checkObject(const std::map<std::string,UniValue::VType>& memberTypes);
const UniValue& operator[](const std::string& key) const;
const UniValue& operator[](unsigned int index) const;
bool exists(const std::string& key) const { return (findKey(key) >= 0); }
bool isNull() const { return (typ == VNULL); }
bool isTrue() const { return (typ == VBOOL) && (val == "1"); }
bool isFalse() const { return (typ == VBOOL) && (val != "1"); }
bool isBool() const { return (typ == VBOOL); }
bool isStr() const { return (typ == VSTR); }
bool isNum() const { return (typ == VNUM); }
bool isArray() const { return (typ == VARR); }
bool isObject() const { return (typ == VOBJ); }
bool push_back(const UniValue& val);
bool push_back(const std::string& val_) {
UniValue tmpVal(VSTR, val_);
return push_back(tmpVal);
}
bool push_back(const char *val_) {
std::string s(val_);
return push_back(s);
}
bool push_backV(const std::vector<UniValue>& vec);
bool pushKV(const std::string& key, const UniValue& val);
bool pushKV(const std::string& key, const std::string& val) {
UniValue tmpVal(VSTR, val);
return pushKV(key, tmpVal);
}
bool pushKV(const std::string& key, const char *val_) {
std::string val(val_);
return pushKV(key, val);
}
bool pushKV(const std::string& key, int64_t val) {
UniValue tmpVal(val);
return pushKV(key, tmpVal);
}
bool pushKV(const std::string& key, uint64_t val) {
UniValue tmpVal(val);
return pushKV(key, tmpVal);
}
bool pushKV(const std::string& key, int val) {
UniValue tmpVal((int64_t)val);
return pushKV(key, tmpVal);
}
bool pushKV(const std::string& key, double val) {
UniValue tmpVal(val);
return pushKV(key, tmpVal);
}
bool pushKVs(const UniValue& obj);
std::string write(unsigned int prettyIndent = 0,
unsigned int indentLevel = 0) const;
bool read(const char *raw);
bool read(const std::string& rawStr) {
return read(rawStr.c_str());
}
private:
UniValue::VType typ;
std::string val; // numbers are stored as C++ strings
std::vector<std::string> keys;
std::vector<UniValue> values;
int findKey(const std::string& key) const;
void writeArray(unsigned int prettyIndent, unsigned int indentLevel, std::string& s) const;
void writeObject(unsigned int prettyIndent, unsigned int indentLevel, std::string& s) const;
public:
// Strict type-specific getters, these throw std::runtime_error if the
// value is of unexpected type
std::vector<std::string> getKeys() const;
std::vector<UniValue> getValues() const;
bool get_bool() const;
std::string get_str() const;
int get_int() const;
int64_t get_int64() const;
double get_real() const;
const UniValue& get_obj() const;
const UniValue& get_array() const;
enum VType type() const { return getType(); }
bool push_back(std::pair<std::string,UniValue> pear) {
return pushKV(pear.first, pear.second);
}
friend const UniValue& find_value( const UniValue& obj, const std::string& name);
};
//
// The following were added for compatibility with json_spirit.
// Most duplicate other methods, and should be removed.
//
static inline std::pair<std::string,UniValue> Pair(const char *cKey, const char *cVal)
{
std::string key(cKey);
UniValue uVal(cVal);
return std::make_pair(key, uVal);
}
static inline std::pair<std::string,UniValue> Pair(const char *cKey, std::string strVal)
{
std::string key(cKey);
UniValue uVal(strVal);
return std::make_pair(key, uVal);
}
static inline std::pair<std::string,UniValue> Pair(const char *cKey, uint64_t u64Val)
{
std::string key(cKey);
UniValue uVal(u64Val);
return std::make_pair(key, uVal);
}
static inline std::pair<std::string,UniValue> Pair(const char *cKey, int64_t i64Val)
{
std::string key(cKey);
UniValue uVal(i64Val);
return std::make_pair(key, uVal);
}
static inline std::pair<std::string,UniValue> Pair(const char *cKey, bool iVal)
{
std::string key(cKey);
UniValue uVal(iVal);
return std::make_pair(key, uVal);
}
static inline std::pair<std::string,UniValue> Pair(const char *cKey, int iVal)
{
std::string key(cKey);
UniValue uVal(iVal);
return std::make_pair(key, uVal);
}
static inline std::pair<std::string,UniValue> Pair(const char *cKey, double dVal)
{
std::string key(cKey);
UniValue uVal(dVal);
return std::make_pair(key, uVal);
}
static inline std::pair<std::string,UniValue> Pair(const char *cKey, const UniValue& uVal)
{
std::string key(cKey);
return std::make_pair(key, uVal);
}
static inline std::pair<std::string,UniValue> Pair(std::string key, const UniValue& uVal)
{
return std::make_pair(key, uVal);
}
enum jtokentype {
JTOK_ERR = -1,
JTOK_NONE = 0, // eof
JTOK_OBJ_OPEN,
JTOK_OBJ_CLOSE,
JTOK_ARR_OPEN,
JTOK_ARR_CLOSE,
JTOK_COLON,
JTOK_COMMA,
JTOK_KW_NULL,
JTOK_KW_TRUE,
JTOK_KW_FALSE,
JTOK_NUMBER,
JTOK_STRING,
};
extern enum jtokentype getJsonToken(std::string& tokenVal,
unsigned int& consumed, const char *raw);
extern const char *uvTypeName(UniValue::VType t);
extern const UniValue NullUniValue;
const UniValue& find_value( const UniValue& obj, const std::string& name);
#endif // BITCOIN_UNIVALUE_UNIVALUE_H

262
src/univalue/univalue_escapes.h
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@ -1,262 +0,0 @@
// Automatically generated file. Do not modify.
#ifndef BITCOIN_UNIVALUE_UNIVALUE_ESCAPES_H
#define BITCOIN_UNIVALUE_UNIVALUE_ESCAPES_H
static const char *escapes[256] = {
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
"\\b",
"\\t",
"\\n",
NULL,
"\\f",
"\\r",
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
"\\\"",
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
"\\\\",
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
};
#endif // BITCOIN_UNIVALUE_UNIVALUE_ESCAPES_H

389
src/univalue/univalue_read.cpp
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@ -1,389 +0,0 @@
// Copyright 2014 BitPay Inc.
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
#include <string.h>
#include <vector>
#include <stdio.h>
#include "univalue.h"
using namespace std;
// convert hexadecimal string to unsigned integer
static const char *hatoui(const char *first, const char *last,
unsigned int& out)
{
unsigned int result = 0;
for (; first != last; ++first)
{
int digit;
if (isdigit(*first))
digit = *first - '0';
else if (*first >= 'a' && *first <= 'f')
digit = *first - 'a' + 10;
else if (*first >= 'A' && *first <= 'F')
digit = *first - 'A' + 10;
else
break;
result = 16 * result + digit;
}
out = result;
return first;
}
enum jtokentype getJsonToken(string& tokenVal, unsigned int& consumed,
const char *raw)
{
tokenVal.clear();
consumed = 0;
const char *rawStart = raw;
while ((*raw) && (isspace(*raw))) // skip whitespace
raw++;
switch (*raw) {
case 0:
return JTOK_NONE;
case '{':
raw++;
consumed = (raw - rawStart);
return JTOK_OBJ_OPEN;
case '}':
raw++;
consumed = (raw - rawStart);
return JTOK_OBJ_CLOSE;
case '[':
raw++;
consumed = (raw - rawStart);
return JTOK_ARR_OPEN;
case ']':
raw++;
consumed = (raw - rawStart);
return JTOK_ARR_CLOSE;
case ':':
raw++;
consumed = (raw - rawStart);
return JTOK_COLON;
case ',':
raw++;
consumed = (raw - rawStart);
return JTOK_COMMA;
case 'n':
case 't':
case 'f':
if (!strncmp(raw, "null", 4)) {
raw += 4;
consumed = (raw - rawStart);
return JTOK_KW_NULL;
} else if (!strncmp(raw, "true", 4)) {
raw += 4;
consumed = (raw - rawStart);
return JTOK_KW_TRUE;
} else if (!strncmp(raw, "false", 5)) {
raw += 5;
consumed = (raw - rawStart);
return JTOK_KW_FALSE;
} else
return JTOK_ERR;
case '-':
case '0':
case '1':
case '2':
case '3':
case '4':
case '5':
case '6':
case '7':
case '8':
case '9': {
// part 1: int
string numStr;
const char *first = raw;
const char *firstDigit = first;
if (!isdigit(*firstDigit))
firstDigit++;
if ((*firstDigit == '0') && isdigit(firstDigit[1]))
return JTOK_ERR;
numStr += *raw; // copy first char
raw++;
if ((*first == '-') && (!isdigit(*raw)))
return JTOK_ERR;
while ((*raw) && isdigit(*raw)) { // copy digits
numStr += *raw;
raw++;
}
// part 2: frac
if (*raw == '.') {
numStr += *raw; // copy .
raw++;
if (!isdigit(*raw))
return JTOK_ERR;
while ((*raw) && isdigit(*raw)) { // copy digits
numStr += *raw;
raw++;
}
}
// part 3: exp
if (*raw == 'e' || *raw == 'E') {
numStr += *raw; // copy E
raw++;
if (*raw == '-' || *raw == '+') { // copy +/-
numStr += *raw;
raw++;
}
if (!isdigit(*raw))
return JTOK_ERR;
while ((*raw) && isdigit(*raw)) { // copy digits
numStr += *raw;
raw++;
}
}
tokenVal = numStr;
consumed = (raw - rawStart);
return JTOK_NUMBER;
}
case '"': {
raw++; // skip "
string valStr;
while (*raw) {
if (*raw < 0x20)
return JTOK_ERR;
else if (*raw == '\\') {
raw++; // skip backslash
switch (*raw) {
case '"': valStr += "\""; break;
case '\\': valStr += "\\"; break;
case '/': valStr += "/"; break;
case 'b': valStr += "\b"; break;
case 'f': valStr += "\f"; break;
case 'n': valStr += "\n"; break;
case 'r': valStr += "\r"; break;
case 't': valStr += "\t"; break;
case 'u': {
unsigned int codepoint;
if (hatoui(raw + 1, raw + 1 + 4, codepoint) !=
raw + 1 + 4)
return JTOK_ERR;
if (codepoint <= 0x7f)
valStr.push_back((char)codepoint);
else if (codepoint <= 0x7FF) {
valStr.push_back((char)(0xC0 | (codepoint >> 6)));
valStr.push_back((char)(0x80 | (codepoint & 0x3F)));
} else if (codepoint <= 0xFFFF) {
valStr.push_back((char)(0xE0 | (codepoint >> 12)));
valStr.push_back((char)(0x80 | ((codepoint >> 6) & 0x3F)));
valStr.push_back((char)(0x80 | (codepoint & 0x3F)));
}
raw += 4;
break;
}
default:
return JTOK_ERR;
}
raw++; // skip esc'd char
}
else if (*raw == '"') {
raw++; // skip "
break; // stop scanning
}
else {
valStr += *raw;
raw++;
}
}
tokenVal = valStr;
consumed = (raw - rawStart);
return JTOK_STRING;
}
default:
return JTOK_ERR;
}
}
bool UniValue::read(const char *raw)
{
clear();
bool expectName = false;
bool expectColon = false;
vector<UniValue*> stack;
string tokenVal;
unsigned int consumed;
enum jtokentype tok = JTOK_NONE;
enum jtokentype last_tok = JTOK_NONE;
do {
last_tok = tok;
tok = getJsonToken(tokenVal, consumed, raw);
if (tok == JTOK_NONE || tok == JTOK_ERR)
return false;
raw += consumed;
switch (tok) {
case JTOK_OBJ_OPEN:
case JTOK_ARR_OPEN: {
VType utyp = (tok == JTOK_OBJ_OPEN ? VOBJ : VARR);
if (!stack.size()) {
if (utyp == VOBJ)
setObject();
else
setArray();
stack.push_back(this);
} else {
UniValue tmpVal(utyp);
UniValue *top = stack.back();
top->values.push_back(tmpVal);
UniValue *newTop = &(top->values.back());
stack.push_back(newTop);
}
if (utyp == VOBJ)
expectName = true;
break;
}
case JTOK_OBJ_CLOSE:
case JTOK_ARR_CLOSE: {
if (!stack.size() || expectColon || (last_tok == JTOK_COMMA))
return false;
VType utyp = (tok == JTOK_OBJ_CLOSE ? VOBJ : VARR);
UniValue *top = stack.back();
if (utyp != top->getType())
return false;
stack.pop_back();
expectName = false;
break;
}
case JTOK_COLON: {
if (!stack.size() || expectName || !expectColon)
return false;
UniValue *top = stack.back();
if (top->getType() != VOBJ)
return false;
expectColon = false;
break;
}
case JTOK_COMMA: {
if (!stack.size() || expectName || expectColon ||
(last_tok == JTOK_COMMA) || (last_tok == JTOK_ARR_OPEN))
return false;
UniValue *top = stack.back();
if (top->getType() == VOBJ)
expectName = true;
break;
}
case JTOK_KW_NULL:
case JTOK_KW_TRUE:
case JTOK_KW_FALSE: {
if (!stack.size() || expectName || expectColon)
return false;
UniValue tmpVal;
switch (tok) {
case JTOK_KW_NULL:
// do nothing more
break;
case JTOK_KW_TRUE:
tmpVal.setBool(true);
break;
case JTOK_KW_FALSE:
tmpVal.setBool(false);
break;
default: /* impossible */ break;
}
UniValue *top = stack.back();
top->values.push_back(tmpVal);
break;
}
case JTOK_NUMBER: {
if (!stack.size() || expectName || expectColon)
return false;
UniValue tmpVal(VNUM, tokenVal);
UniValue *top = stack.back();
top->values.push_back(tmpVal);
break;
}
case JTOK_STRING: {
if (!stack.size())
return false;
UniValue *top = stack.back();
if (expectName) {
top->keys.push_back(tokenVal);
expectName = false;
expectColon = true;
} else {
UniValue tmpVal(VSTR, tokenVal);
top->values.push_back(tmpVal);
}
break;
}
default:
return false;
}
} while (!stack.empty ());
/* Check that nothing follows the initial construct (parsed above). */
tok = getJsonToken(tokenVal, consumed, raw);
if (tok != JTOK_NONE)
return false;
return true;
}

127
src/univalue/univalue_write.cpp
Unescape View File

@ -1,127 +0,0 @@
// Copyright 2014 BitPay Inc.
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
#include <ctype.h>
#include <iomanip>
#include <sstream>
#include <stdio.h>
#include "univalue.h"
#include "univalue_escapes.h"
// TODO: Using UTF8
using namespace std;
static string json_escape(const string& inS)
{
string outS;
outS.reserve(inS.size() * 2);
for (unsigned int i = 0; i < inS.size(); i++) {
unsigned char ch = inS[i];
const char *escStr = escapes[ch];
if (escStr)
outS += escStr;
else if (isprint(ch))
outS += ch;
else {
char tmpesc[16];
sprintf(tmpesc, "\\u%04x", ch);
outS += tmpesc;
}
}
return outS;
}
string UniValue::write(unsigned int prettyIndent,
unsigned int indentLevel) const
{
string s;
s.reserve(1024);
unsigned int modIndent = indentLevel;
if (modIndent == 0)
modIndent = 1;
switch (typ) {
case VNULL:
s += "null";
break;
case VOBJ:
writeObject(prettyIndent, modIndent, s);
break;
case VARR:
writeArray(prettyIndent, modIndent, s);
break;
case VSTR:
s += "\"" + json_escape(val) + "\"";
break;
case VNUM:
s += val;
break;
case VBOOL:
s += (val == "1" ? "true" : "false");
break;
}
return s;
}
static void indentStr(unsigned int prettyIndent, unsigned int indentLevel, string& s)
{
s.append(prettyIndent * indentLevel, ' ');
}
void UniValue::writeArray(unsigned int prettyIndent, unsigned int indentLevel, string& s) const
{
s += "[";
if (prettyIndent)
s += "\n";
for (unsigned int i = 0; i < values.size(); i++) {
if (prettyIndent)
indentStr(prettyIndent, indentLevel, s);
s += values[i].write(prettyIndent, indentLevel + 1);
if (i != (values.size() - 1)) {
s += ",";
if (prettyIndent)
s += " ";
}
if (prettyIndent)
s += "\n";
}
if (prettyIndent)
indentStr(prettyIndent, indentLevel - 1, s);
s += "]";
}
void UniValue::writeObject(unsigned int prettyIndent, unsigned int indentLevel, string& s) const
{
s += "{";
if (prettyIndent)
s += "\n";
for (unsigned int i = 0; i < keys.size(); i++) {
if (prettyIndent)
indentStr(prettyIndent, indentLevel, s);
s += "\"" + json_escape(keys[i]) + "\":";
if (prettyIndent)
s += " ";
s += values[i].write(prettyIndent, indentLevel + 1);
if (i != (values.size() - 1))
s += ",";
if (prettyIndent)
s += "\n";
}
if (prettyIndent)
indentStr(prettyIndent, indentLevel - 1, s);
s += "}";
}
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