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// This file is part of gltfpack; see gltfpack.h for version/license details
#include "gltfpack.h"
#include <stdio.h>
void comma(std::string& s)
{
char ch = s.empty() ? 0 : s[s.size() - 1];
if (ch != 0 && ch != '[' && ch != '{')
s += ",";
}
void append(std::string& s, size_t v)
{
char buf[32];
sprintf(buf, "%zu", v);
s += buf;
}
void append(std::string& s, float v)
{
char buf[512];
sprintf(buf, "%.9g", v);
s += buf;
}
void append(std::string& s, const char* v)
{
s += v;
}
void append(std::string& s, const std::string& v)
{
s += v;
}
void appendJson(std::string& s, const char* begin, const char* end)
{
enum State
{
None,
Escape,
Quoted
} state = None;
for (const char* it = begin; it != end; ++it)
{
char ch = *it;
// whitespace outside of quoted strings can be ignored
if (state != None || !isspace(ch))
s += ch;
// the finite automata tracks whether we're inside a quoted string
switch (state)
{
case None:
state = (ch == '"') ? Quoted : None;
break;
case Quoted:
state = (ch == '"') ? None : (ch == '\\') ? Escape : Quoted;
break;
case Escape:
state = Quoted;
break;
default:
assert(!"Unexpected parsing state");
}
}
}
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