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#include "mbl_parse_string_list.h"
//:
// \file
// \brief Parse list of strings
// \author Tim Cootes
#include <mbl/mbl_exception.h>
#include <mbl/mbl_parse_block.h>
#include <vcl_sstream.h>
//: Parse list of strings
// Expects format of data:
// \verbatim
// {
// string1 string2 string3 ...
// }
// \endverbatim
// Throws a mbl_exception_parse_error if it fails.
void mbl_parse_string_list(vcl_istream& is,
vcl_vector<vcl_string>& items,
const vcl_string& comment_str)
{
vcl_string s = mbl_parse_block(is);
vcl_istringstream ss(s);
char c;
ss>>c; // Remove opening brace
if (c!='{')
{
throw mbl_exception_parse_error("Expected '{' in mbl_parse_string_list");
}
unsigned comment_len = comment_str.size();
items.resize(0);
vcl_string label;
while (!ss.eof())
{
ss >> label;
if (comment_len>0 &&
label.length()>=comment_len &&
label.substr(0,comment_len)==comment_str)
{
// label begins with comment_str
// - treat as comment and discard rest of line
vcl_string dummy;
vcl_getline(ss,dummy);
continue;
}
if (label == "}") continue;
items.push_back(label);
}
if (label!="}")
{
throw mbl_exception_parse_error("Expected closing '}' in mbl_parse_string_list");
}
}
//: Parse list of strings
// Expects format of data:
// \verbatim
// {
// string1 string2 string3 ...
// }
// \endverbatim
// Throws a mbl_exception_parse_error if it fails.
void mbl_parse_string_list(const vcl_string& data,
vcl_vector<vcl_string>& items,
const vcl_string& comment_str)
{
vcl_istringstream data_stream(data);
mbl_parse_string_list(data_stream,items,comment_str);
}
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