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#include "slang-pretty-writer.h"
#include "../core/slang-string-escape-util.h"
namespace Slang
{
void PrettyWriter::writeRaw(char const* begin, char const* end)
{
SLANG_ASSERT(end >= begin);
writeRaw(UnownedStringSlice(begin, end));
}
void PrettyWriter::adjust()
{
// Only indent if at start of a line
if (m_startOfLine)
{
// Output current indentation
m_builder.appendRepeatedChar(' ', m_indent * 4);
m_startOfLine = false;
}
}
void PrettyWriter::dedent()
{
SLANG_ASSERT(m_indent > 0);
m_indent--;
}
void PrettyWriter::write(const UnownedStringSlice& slice)
{
const auto end = slice.end();
auto start = slice.begin();
while (start < end)
{
const char* cur = start;
// Search for \n if there is one
while (cur < end && *cur != '\n')
cur++;
// If there were some chars, adjust and write
if (cur > start)
{
adjust();
writeRaw(UnownedStringSlice(start, cur));
}
if (cur < end && *cur == '\n')
{
writeRawChar('\n');
// Skip the CR
cur++;
// Mark we are at the start of a line
m_startOfLine = true;
}
start = cur;
}
}
void PrettyWriter::writeEscapedString(const UnownedStringSlice& slice)
{
adjust();
auto handler = StringEscapeUtil::getHandler(StringEscapeUtil::Style::Cpp);
StringEscapeUtil::appendQuoted(handler, slice, m_builder);
}
void PrettyWriter::maybeComma()
{
if (auto state = m_commaState)
{
if (!state->needComma)
{
state->needComma = true;
return;
}
}
write(toSlice(",\n"));
}
} // namespace Slang
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