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#include "OutputFormatter.h"
void OutputFormatter::Flush()
{
if (col > lineLimit)
{
str.append(1, '\n');
str.append(currentIndent, ' ');
int newCol = currentIndent + (wordP - word);
for (int i = 0; i < wordNests; i++)
nestIndent[nest - i] -= col - newCol;
col = newCol;
}
else
{
str.append(space, spaceP - space);
}
spaceP = space;
str.append(word, wordP - word);
wordP = word;
wordNests = 0;
}
int OutputFormatter::Write(const char* buf, int count)
{
for (int i = 0; i < count; i++)
{
char c = buf[i];
if (c == ' ' || c == '\t' || c == '\n')
{
if (wordP - word != 0)
{
Flush();
}
if (c == '\n')
{
col = 0;
*spaceP++ = c;
}
else if (c == '\t')
{
int n = tabSize - (col % tabSize);
col += n;
for (int j = 0; j < n; j++)
*spaceP++ = ' ';
}
else
{
col++;
*spaceP++ = c;
}
currentIndent = nestIndent[nest];
}
else
{
col++;
if (c == '(')
{
nest++;
nestIndent[nest] = col;
wordNests++;
}
else if (c == ')')
{
if (nest > 0)
nest--;
if (wordNests > 0)
wordNests--;
}
*wordP++ = c;
}
}
return count;
}
OutputFormatter* OutputFormatter::Instance;
int OutputFormatter::WriteStatic(const char* buf, int count)
{
return Instance->Write(buf, count);
}
int (*OutputFormatter::StaticWriter())(const char* buf, int count)
{
Instance = this;
return &WriteStatic;
}
OutputFormatter::OutputFormatter(int tabSize, int defaultIndent, int lineLimit)
: tabSize{tabSize}, defaultIndent{defaultIndent}, lineLimit{lineLimit}, col{0}, nest{0},
nestIndent{defaultIndent}, currentIndent{defaultIndent}, wordNests(0), wordP{word}, spaceP{space}
{
}
std::string OutputFormatter::GetOutput()
{
Flush();
return std::move(str);
}
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