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// -*- Mode: C++; tab-width: 2; -*-
// vi: set ts=2:
//
#include <BALL/FORMAT/JCAMPFile.h>
#include <BALL/DATATYPE/regularExpression.h>
#include <BALL/MATHS/common.h>
namespace BALL
{
bool JCAMPFile::JCAMPValue::operator == (const JCAMPValue& value) const
{
return string_value == value.string_value &&
numeric_value == value.numeric_value &&
type == value.type;
}
bool JCAMPFile::JCAMPValue::operator != (const JCAMPValue& value) const
{
return !(*this == value);
}
JCAMPFile::JCAMPFile(const String& name, OpenMode open_mode)
: LineBasedFile(),
header_(),
entries_()
{
LineBasedFile::open(name, open_mode);
enableTrimWhitespaces(true);
}
void JCAMPFile::read()
{
// Clear the old contents of the header/entry maps.
header_.clear();
entries_.clear();
// First I try to read the title.
// Only parameters appearing *after* the title are used.
// Expressions for the valid declarations in a JCAMPFile
const RegularExpression array("^##\\$([^=]+)= \\(0\\.\\.([1-9][0-9]*)\\)");
const RegularExpression regular("^##\\$([^=]+)= (.*)");
const RegularExpression header("^##([^=]+)= (.*)");
std::vector<Substring> groups;
while (readLine())
{
JCAMPValue value;
try
{
//overread a comment
if (getLine().hasPrefix("$$"))
{
continue;
}
else if (getLine().hasPrefix("##$"))
{
// Check whether the definition is an array.
if (array.find(getLine(), groups))
{
value.type = ARRAY;
static String key = groups[1];
Size number_of_values = groups[2].toString().toInt() + 1;
// first try to parse the remainder of this line
std::vector<String> remainder;
getLine().split(remainder, ")"); // take the part right of the array definition
if (remainder.size() > 2)
{
throw Exception::ParseError(__FILE__, __LINE__, getName(),
String("Error parsing array entry on line ")
+ String(getLineNumber()));
}
if (remainder.size() == 2)
{
std::vector<String> fields;
remainder[1].split(fields);
for (Position i=0; i<fields.size(); i++)
{
if (!fields[i].isFloat())
{
Log.error() << "Warning: " << fields[i] << " is not a float!" << std::endl;
}
else
{
value.numeric_value.push_back(fields[i].toDouble());
}
}
}
while (value.numeric_value.size() < number_of_values)
{
if (!readLine() || getLine().hasPrefix("#"))
{
break;
}
static std::vector<String> fields;
getLine().split(fields);
for (Position i = 0; i < fields.size(); i++)
{
if (!fields[i].isFloat())
{
Log.error() << "Warning: " << fields[i] << " is not a float!" << std::endl;
}
else
{
value.numeric_value.push_back(fields[i].toDouble());
}
}
}
// Store the entry only if the parsing was successful.
if (value.numeric_value.size() == number_of_values)
{
entries_.insert(KeyValuePair(key, value));
}
else
{
throw Exception::ParseError(__FILE__, __LINE__, getName(),
String("Error parsing array entry on line ")
+ String(getLineNumber()) + String(" (number of values read:")
+ String(value.numeric_value.size())
+ " - number of values expected: " + String(number_of_values) + ")");
}
// next entry.
continue;
}
// =================== read non-array entry ===============================
else if (regular.find(getLine(), groups))
{
// =================== read numeric entry ===============================
if (groups[2].toString().isFloat())
{
value.numeric_value.push_back(groups[2].toString().toFloat());
value.type = NUMERIC;
}
// =================== read string entry ================================
else
{
value.string_value = groups[2];
value.type = STRING;
}
entries_.insert(KeyValuePair(groups[1], value));
// next entry.
continue;
}
}
else if (header.find(getLine(), groups))
{
if (groups[1] == "END")
{
// Abort for the "##END=" entry.
break;
}
value.type = STRING;
value.string_value = groups[2];
// Insert the header entry into the header map
header_.insert(std::pair<String, String>(groups[1].toString(), groups[2].toString()));
// Next entry.
continue;
}
else if (getLine().hasPrefix("##END"))
{
break;
}
}
catch(Exception::InvalidFormat&)
{
Log.error() << "Could not convert string to number" << std::endl;
// throwing exception ParseError anyhow in next line
}
// We could not parse this line -- abort.
throw Exception::ParseError(__FILE__, __LINE__, getName(), getLine());
};
}
bool JCAMPFile::write()
{
if (!isOpen() || getOpenMode() != File::MODE_OUT)
{
throw(File::CannotWrite(__FILE__, __LINE__, name_));
}
HeaderMap::ConstIterator header_it(header_.begin());
for (; header_it != header_.end(); ++header_it)
{
(*this) << "##" << header_it->first << "= " << header_it->second << "\n";
}
EntryMap::ConstIterator entry_it(entries_.begin());
for (; entry_it != entries_.end(); ++entry_it)
{
(*this) << "##$" << entry_it->first << "= ";
switch (entry_it->second.type)
{
case STRING:
(*this) << entry_it->second.string_value.c_str() << "\n";
break;
case NUMERIC:
(*this) << entry_it->second.numeric_value[0] << "\n";
break;
case ARRAY:
(*this) << "(0.." << entry_it->second.numeric_value.size() << ")\n";
for (Position i = 0; i < entry_it->second.numeric_value.size(); ++i)
{
(*this) << entry_it->second.numeric_value[i];
// Pack eight numbers in one line, then a newline at the end.
if (((i + 1) % 8) == 0)
{
(*this) << "\n";
}
else
{
(*this) << " ";
}
}
// Make sure we terminate the line with a newline.
if ((entry_it->second.numeric_value.size() % 8) != 0)
{
(*this) << "\n";
}
break;
}
}
return true;
}
double JCAMPFile::getDoubleValue(const String& name) const
{
if (!entries_.has(name)) return 0.0;
const JCAMPValue& val(entries_[name]);
if (val.type == NUMERIC)
{
return val.numeric_value[0];
}
else if (val.type == STRING)
{
return val.string_value.trim().toDouble();
}
else if ((val.type == ARRAY) && (val.numeric_value.size() > 0))
{
return val.numeric_value[0];
}
return 0.0;
}
Index JCAMPFile::getIntValue(const String& name) const
{
if (!entries_.has(name)) return 0;
const JCAMPValue& val(entries_[name]);
if (val.type == NUMERIC)
{
int i = (int)Maths::round(val.numeric_value[0]);
return i; //round(val.numeric_value[0]).toInt();
}
else if(val.type == STRING)
{
return (Index)val.string_value.trim().toInt();
}
else if ((val.type == ARRAY) && (val.numeric_value.size() > 0))
{
return (Index)val.numeric_value[0];
}
return 0;
}
const JCAMPFile& JCAMPFile::operator = (const JCAMPFile& file)
{
header_ = file.header_;
entries_ = file.entries_;
LineBasedFile::operator = (file);
return *this;
}
bool JCAMPFile::operator == (const JCAMPFile& f) const
{
return header_ == f.header_ &&
entries_ == f.entries_;
}
bool JCAMPFile::operator != (const JCAMPFile& f) const
{
return ! (*this == f);
}
} // namespace BALL
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