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#include "DiffPrinter.h"
#include "llvm/Support/FormatAdapters.h"
using namespace llvm;
using namespace llvm::pdb;
static void setColor(llvm::raw_ostream &OS, DiffResult Result) {
switch (Result) {
case DiffResult::IDENTICAL:
OS.changeColor(raw_ostream::Colors::GREEN, false);
break;
case DiffResult::EQUIVALENT:
OS.changeColor(raw_ostream::Colors::YELLOW, true);
break;
default:
OS.changeColor(raw_ostream::Colors::RED, false);
break;
}
}
DiffPrinter::DiffPrinter(uint32_t Indent, StringRef Header,
uint32_t PropertyWidth, uint32_t FieldWidth,
raw_ostream &Stream)
: Indent(Indent), PropertyWidth(PropertyWidth), FieldWidth(FieldWidth),
OS(Stream) {
printHeaderRow();
printFullRow(Header);
}
DiffPrinter::~DiffPrinter() {}
void DiffPrinter::printFullRow(StringRef Text) {
newLine();
printField(Text, DiffResult::UNSPECIFIED, AlignStyle::Center,
PropertyWidth + 1 + FieldWidth + 1 + FieldWidth);
printSeparatorRow();
}
void DiffPrinter::printSeparatorRow() {
newLine();
OS << formatv("{0}", fmt_repeat('-', PropertyWidth));
OS << '+';
OS << formatv("{0}", fmt_repeat('-', FieldWidth));
OS << '+';
OS << formatv("{0}", fmt_repeat('-', FieldWidth));
OS << '|';
}
void DiffPrinter::printHeaderRow() {
newLine('-');
OS << formatv("{0}", fmt_repeat('-', PropertyWidth + 2 * FieldWidth + 3));
}
void DiffPrinter::newLine(char InitialChar) {
OS << "\n";
OS.indent(Indent) << InitialChar;
}
void DiffPrinter::printExplicit(StringRef Property, DiffResult C,
StringRef Left, StringRef Right) {
newLine();
printField(Property, DiffResult::UNSPECIFIED, AlignStyle::Right,
PropertyWidth);
printField(Left, C, AlignStyle::Center, FieldWidth);
printField(Right, C, AlignStyle::Center, FieldWidth);
printSeparatorRow();
}
void DiffPrinter::printSame(StringRef Property, StringRef Value) {
newLine();
printField(Property, DiffResult::UNSPECIFIED, AlignStyle::Right,
PropertyWidth);
printField(Value, DiffResult::IDENTICAL, AlignStyle::Center,
FieldWidth + 1 + FieldWidth);
printSeparatorRow();
}
void DiffPrinter::printDifferent(StringRef Property, StringRef Left,
StringRef Right) {
newLine();
printField(Property, DiffResult::UNSPECIFIED, AlignStyle::Right,
PropertyWidth);
printField(Left, DiffResult::DIFFERENT, AlignStyle::Center, FieldWidth);
printField(Right, DiffResult::DIFFERENT, AlignStyle::Center, FieldWidth);
printSeparatorRow();
}
void DiffPrinter::printField(StringRef Value, DiffResult C, AlignStyle Style,
uint32_t Width) {
if (Style == AlignStyle::Right)
--Width;
std::string FormattedItem =
formatv("{0}", fmt_align(Value, Style, Width)).str();
if (C != DiffResult::UNSPECIFIED) {
setColor(OS, C);
OS << FormattedItem;
OS.resetColor();
} else
OS << FormattedItem;
if (Style == AlignStyle::Right)
OS << ' ';
OS << '|';
}
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