117 lines
2.8 KiB
C++
117 lines
2.8 KiB
C++
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#include "tdoubleparamfile.h"
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#include "tfilepath_io.h"
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#include "tconvert.h"
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namespace {
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//---------------------------------------------------------
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bool parseDouble(double &value, char *&s) {
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if (!(*s == '-' || *s == '.' || ('0' <= *s && *s <= '9'))) return false;
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char *t = s;
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if (*s == '-') s++;
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while ('0' <= *s && *s <= '9') s++;
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if (*s == '.') {
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s++;
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while ('0' <= *s && *s <= '9') s++;
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if (*s == 'e' || *s == 'E') {
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s++;
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if (*s == '+' || *s == '-') s++;
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while ('0' <= *s && *s <= '9') s++;
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}
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}
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std::string w(t, s - t);
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value = std::stod(w);
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return true;
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}
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//---------------------------------------------------------
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int split(std::vector<double> &values, char *s) {
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int count = 0;
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for (;;) {
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while (*s == ' ' || *s == '\t') s++;
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if (*s == '\0') break;
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double value = 0;
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bool found = parseDouble(value, s);
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if (found) {
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count++;
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values.push_back(value);
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while (*s == ' ' || *s == '\t') s++;
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}
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if (*s == ',' || *s == ';') {
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if (!found) {
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count++;
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values.push_back(0);
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}
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s++;
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} else {
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if (!found) break;
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}
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}
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return count;
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}
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//---------------------------------------------------------
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} // namespace
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//---------------------------------------------------------
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TDoubleParamFileData::TDoubleParamFileData() : m_params(), m_dirtyFlag(false) {}
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//---------------------------------------------------------
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TDoubleParamFileData::~TDoubleParamFileData() {}
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//---------------------------------------------------------
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void TDoubleParamFileData::setParams(
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const TDoubleKeyframe::FileParams ¶ms) {
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m_params = params;
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invalidate();
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}
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//---------------------------------------------------------
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void TDoubleParamFileData::invalidate() {
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m_dirtyFlag = true;
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m_values.clear();
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}
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//---------------------------------------------------------
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double TDoubleParamFileData::getValue(double frame, double defaultValue) {
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if (frame < 0) return defaultValue;
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int intFrame = (int)frame;
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if (m_dirtyFlag) read();
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if (intFrame >= (int)m_values.size())
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return defaultValue;
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else
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return m_values[intFrame];
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}
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//---------------------------------------------------------
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void TDoubleParamFileData::read() {
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m_dirtyFlag = false;
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m_values.clear();
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int k = m_params.m_fieldIndex;
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if (k < 0) return;
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TFilePath fp = m_params.m_path;
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Tifstream is(fp);
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char buffer[2048];
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memset(buffer, 0, sizeof buffer);
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while (is) {
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is.getline(buffer, sizeof(buffer) - 1);
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std::vector<double> fields;
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QString line(buffer);
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if (line.size() == 0 || line.startsWith("#")) continue;
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split(fields, buffer);
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double value = 0;
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if (k < (int)fields.size()) value = fields[k];
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m_values.push_back(value);
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}
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}
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//---------------------------------------------------------
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