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87 lines
1.3 KiB
C++
87 lines
1.3 KiB
C++
// This code is in the public domain -- castano@gmail.com
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#include "TextReader.h"
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using namespace nv;
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/// Peek next character.
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char TextReader::peek()
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{
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nvDebugCheck(m_stream != NULL);
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nvDebugCheck(m_stream->isSeekable());
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if (m_stream->isAtEnd()) {
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return 0;
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}
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uint pos = m_stream->tell();
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char c;
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m_stream->serialize(&c, 1);
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m_stream->seek(pos);
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return c;
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}
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/// Read a single char.
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char TextReader::read()
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{
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nvDebugCheck(m_stream != NULL);
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char c;
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m_stream->serialize(&c, 1);
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if( m_stream->isAtEnd() ) {
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return 0;
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}
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return c;
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}
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/// Read from the current location to the end of the stream.
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const char * TextReader::readToEnd()
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{
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nvDebugCheck(m_stream != NULL);
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const int size = m_stream->size();
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m_text.clear();
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m_text.reserve(size + 1);
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m_text.resize(size);
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m_stream->serialize(m_text.mutableBuffer(), size);
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m_text.pushBack('\0');
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return m_text.buffer();
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}
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/// Read from the current location to the end of the line.
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const char * TextReader::readLine()
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{
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m_text.clear();
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if (m_stream->isAtEnd()) {
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return NULL;
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}
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while (true) {
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char c = read();
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if (c == 0 || c == '\n') {
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break;
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}
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else if (c == '\r') {
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if( peek() == '\n' ) {
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read();
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}
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break;
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}
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m_text.pushBack(c);
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}
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m_text.pushBack('\0');
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return m_text.buffer();
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}
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