mirror of
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116 lines
2.7 KiB
C++
116 lines
2.7 KiB
C++
#include "json/json_writer.h"
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JsonWriter::JsonWriter() {
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}
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JsonWriter::~JsonWriter() {
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}
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void JsonWriter::begin() {
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str_ << "{";
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stack_.push_back(StackEntry(DICT));
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}
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void JsonWriter::end() {
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pop();
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str_ << "\n";
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}
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const char *JsonWriter::indent(int n) const {
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static const char * const whitespace = " ";
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return whitespace + (32 - n);
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}
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const char *JsonWriter::indent() const {
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int amount = (int)stack_.size() + 1;
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amount *= 2; // 2-space indent.
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return indent(amount);
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}
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const char *JsonWriter::arrayIndent() const {
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int amount = (int)stack_.size() + 1;
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amount *= 2; // 2-space indent.
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return stack_.back().first ? indent(amount) : "";
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}
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const char *JsonWriter::comma() const {
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if (stack_.back().first) {
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return "";
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} else {
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return ",";
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}
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}
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const char *JsonWriter::arrayComma() const {
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if (stack_.back().first) {
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return "\n";
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} else {
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return ", ";
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}
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}
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void JsonWriter::pushDict(const char *name) {
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str_ << comma() << "\n" << indent() << "\"" << name << "\": {";
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stack_.push_back(StackEntry(DICT));
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}
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void JsonWriter::pushArray(const char *name) {
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str_ << comma() << "\n" << indent() << "\"" << name << "\": [";
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stack_.push_back(StackEntry(ARRAY));
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}
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void JsonWriter::writeBool(bool value) {
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str_ << arrayComma() << arrayIndent() << (value ? "true" : "false");
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stack_.back().first = false;
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}
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void JsonWriter::writeBool(const char *name, bool value) {
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str_ << comma() << "\n" << indent() << "\"" << name << "\": " << (value ? "true" : "false");
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stack_.back().first = false;
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}
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void JsonWriter::writeInt(int value) {
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str_ << arrayComma() << arrayIndent() << value;
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stack_.back().first = false;
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}
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void JsonWriter::writeInt(const char *name, int value) {
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str_ << comma() << "\n" << indent() << "\"" << name << "\": " << value;
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stack_.back().first = false;
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}
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void JsonWriter::writeFloat(double value) {
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str_ << arrayComma() << arrayIndent() << value;
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stack_.back().first = false;
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}
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void JsonWriter::writeFloat(const char *name, double value) {
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str_ << comma() << "\n" << indent() << "\"" << name << "\": " << value;
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stack_.back().first = false;
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}
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void JsonWriter::writeString(const char *value) {
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str_ << arrayComma() << arrayIndent() << "\"" << value << "\"";
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stack_.back().first = false;
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}
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void JsonWriter::writeString(const char *name, const char *value) {
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str_ << comma() << "\n" << indent() << "\"" << name << "\": \"" << value << "\"";
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stack_.back().first = false;
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}
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void JsonWriter::pop() {
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BlockType type = stack_.back().type;
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stack_.pop_back();
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switch (type) {
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case ARRAY:
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str_ << "\n" << indent() << "]";
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break;
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case DICT:
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str_ << "\n" << indent() << "}";
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break;
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}
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if (stack_.size() > 0)
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stack_.back().first = false;
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}
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