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#include "FileVT.class.h"
FileVT::FileVT(String filename, u8int mode, FSNode *start, u8int encoding) :
m_file(filename, mode, start, encoding), m_buffer() {
if (mode != FM_READ) {
m_isWriting = true;
m_bufferPos = 0;
} else {
m_isWriting = false;
m_buffer = m_file.readLine();
}
}
void FileVT::handleEscape(mvt_esc_cmd_t cmd) {
if (!m_isWriting) return;
if (cmd.cmd == MVTCMD_SETCSRCOL) {
while ((int)m_buffer.size() < cmd.a) {
put(" ");
}
}
}
void FileVT::put(WChar c, bool updatecsr) {
if (!m_isWriting) return;
if (c.value == '\n') {
m_file.write(m_buffer, true);
m_buffer.clear();
} else if (c.value == '\t') {
u32int nc = (m_buffer.size() + 8) &~(8 - 1);
while (m_buffer.size() < nc) put(" ");
} else {
m_buffer += c;
}
}
keypress_t FileVT::getKeypress(bool show, bool block) {
keypress_t ret;
if (m_isWriting) return ret;
if (m_bufferPos == m_buffer.size()) {
ret.hascmd = true;
ret.command = KBDC_ENTER;
if (m_file.eof()) {
m_buffer = EOF;
} else {
m_buffer = m_file.readLine();
}
m_bufferPos = 0;
} else {
WChar c = m_buffer[m_bufferPos];
m_bufferPos++;
if (c.value == '\t') {
ret.hascmd = true;
ret.command = KBDC_TAB;
} else if (c.value == '\b') {
ret.hascmd = true;
ret.command = KBDC_BACKSPACE;
} else {
ret.haschar = true;
ret.character = c;
}
}
return ret;
}
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