135 lines
4.0 KiB
C++
135 lines
4.0 KiB
C++
#pragma once
|
|
|
|
#include <cstdint>
|
|
#include <cstdio>
|
|
#include <string>
|
|
#include <vector>
|
|
|
|
#include "weaseljson.h"
|
|
|
|
inline WeaselJsonCallbacks printCallbacks() {
|
|
WeaselJsonCallbacks result;
|
|
result.on_begin_object = +[](void *) { puts("on_begin_object"); };
|
|
result.on_end_object = +[](void *) { puts("on_end_object"); };
|
|
result.on_string_data = +[](void *, const char *buf, int len, int /*done*/) {
|
|
printf("on_string_data `%.*s`\n", len, buf);
|
|
};
|
|
result.on_begin_array = +[](void *) { puts("on_begin_array"); };
|
|
result.on_end_array = +[](void *) { puts("on_end_array"); };
|
|
result.on_number_data = +[](void *, const char *buf, int len, int /*done*/) {
|
|
printf("on_number_data `%.*s`\n", len, buf);
|
|
};
|
|
result.on_true_literal = +[](void *) { puts("on_true_literal"); };
|
|
result.on_false_literal = +[](void *) { puts("on_false_literal"); };
|
|
result.on_null_literal = +[](void *) { puts("on_null_literal"); };
|
|
return result;
|
|
}
|
|
|
|
inline WeaselJsonCallbacks noopCallbacks() {
|
|
WeaselJsonCallbacks result;
|
|
result.on_begin_object = +[](void *) {};
|
|
result.on_end_object = +[](void *) {};
|
|
result.on_string_data = +[](void *, const char *, int, int) {};
|
|
result.on_begin_array = +[](void *) {};
|
|
result.on_end_array = +[](void *) {};
|
|
result.on_number_data = +[](void *, const char *, int, int) {};
|
|
result.on_true_literal = +[](void *) {};
|
|
result.on_false_literal = +[](void *) {};
|
|
result.on_null_literal = +[](void *) {};
|
|
return result;
|
|
}
|
|
|
|
struct SerializeState {
|
|
bool isKey = false;
|
|
struct Cursor {
|
|
int64_t index;
|
|
bool isObject;
|
|
};
|
|
std::string result;
|
|
void on_begin_value() {
|
|
if (!stack.empty()) {
|
|
auto &back = stack.back();
|
|
if (back.isObject && back.index % 2 == 0 && back.index > 0) {
|
|
result.append(",");
|
|
}
|
|
if (back.isObject && back.index % 2 == 1 && back.index > 0) {
|
|
result.append(":");
|
|
}
|
|
if (!back.isObject && back.index > 0) {
|
|
result.append(",");
|
|
}
|
|
++back.index;
|
|
}
|
|
}
|
|
std::vector<Cursor> stack;
|
|
bool startedData = false;
|
|
};
|
|
|
|
inline WeaselJsonCallbacks serializeCallbacks() {
|
|
WeaselJsonCallbacks result;
|
|
result.on_begin_object = +[](void *p) {
|
|
auto *state = (SerializeState *)p;
|
|
state->on_begin_value();
|
|
state->stack.push_back({0, true});
|
|
state->result.append("{");
|
|
};
|
|
result.on_end_object = +[](void *p) {
|
|
auto *state = (SerializeState *)p;
|
|
state->stack.pop_back();
|
|
state->result.append("}");
|
|
};
|
|
result.on_string_data = +[](void *p, const char *buf, int len, int done) {
|
|
auto *state = (SerializeState *)p;
|
|
if (!state->startedData) {
|
|
state->startedData = true;
|
|
state->on_begin_value();
|
|
state->result.append("<");
|
|
}
|
|
state->result.append(std::string(buf, len));
|
|
if (done) {
|
|
state->startedData = false;
|
|
state->result.append(">");
|
|
}
|
|
};
|
|
result.on_begin_array = +[](void *p) {
|
|
auto *state = (SerializeState *)p;
|
|
state->on_begin_value();
|
|
state->stack.push_back({0, false});
|
|
state->result.append("[");
|
|
};
|
|
result.on_end_array = +[](void *p) {
|
|
auto *state = (SerializeState *)p;
|
|
state->stack.pop_back();
|
|
state->result.append("]");
|
|
};
|
|
result.on_number_data = +[](void *p, const char *buf, int len, int done) {
|
|
auto *state = (SerializeState *)p;
|
|
if (!state->startedData) {
|
|
state->startedData = true;
|
|
state->on_begin_value();
|
|
state->result.append("(");
|
|
}
|
|
state->result.append(std::string(buf, len));
|
|
if (done) {
|
|
state->startedData = false;
|
|
state->result.append(")");
|
|
}
|
|
};
|
|
result.on_true_literal = +[](void *p) {
|
|
auto *state = (SerializeState *)p;
|
|
state->on_begin_value();
|
|
state->result.append("true");
|
|
};
|
|
result.on_false_literal = +[](void *p) {
|
|
auto *state = (SerializeState *)p;
|
|
state->on_begin_value();
|
|
state->result.append("false");
|
|
};
|
|
result.on_null_literal = +[](void *p) {
|
|
auto *state = (SerializeState *)p;
|
|
state->on_begin_value();
|
|
state->result.append("null");
|
|
};
|
|
return result;
|
|
}
|