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corrected alignment of the descriptions in the Usage() message

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/branches/WX_2_2_BRANCH@7326 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin
2000-05-01 12:31:11 +00:00
parent 6b0b085ef4
commit efe67f809f
1 changed files with 33 additions and 5 deletions
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38
src/common/cmdline.cpp
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@@ -781,7 +781,11 @@ void wxCmdLineParser::Usage()
wxStripExtension(appname);
}
wxString brief, detailed;
// we ocnstruct the brief cmd line desc on the fly, but not the detailed
// help message below because we want to align the options descriptions
// and for this we must first know the longest one of them
wxString brief;
wxArrayString namesOptions, descOptions;
brief.Printf(_("Usage: %s"), appname.c_str());
size_t n, count = m_data->m_options.GetCount();
@@ -796,10 +800,12 @@ void wxCmdLineParser::Usage()
}
brief << _T('-') << opt.shortName;
detailed << _T(" -") << opt.shortName;
wxString option;
option << _T(" -") << opt.shortName;
if ( !!opt.longName )
{
detailed << _T(" --") << opt.longName;
option << _T(" --") << opt.longName;
}
if ( opt.kind != wxCMD_LINE_SWITCH )
@@ -807,7 +813,7 @@ void wxCmdLineParser::Usage()
wxString val;
val << _T('<') << GetTypeName(opt.type) << _T('>');
brief << _T(' ') << val;
detailed << (!opt.longName ? _T(':') : _T('=')) << val;
option << (!opt.longName ? _T(':') : _T('=')) << val;
}
if ( !(opt.flags & wxCMD_LINE_OPTION_MANDATORY) )
@@ -815,7 +821,8 @@ void wxCmdLineParser::Usage()
brief << _T(']');
}
detailed << _T('\t') << opt.description << _T('\n');
namesOptions.Add(option);
descOptions.Add(opt.description);
}
count = m_data->m_paramDesc.GetCount();
@@ -848,6 +855,27 @@ void wxCmdLineParser::Usage()
}
wxLogMessage(brief);
// now construct the detailed help message
size_t len, lenMax = 0;
count = namesOptions.GetCount();
for ( n = 0; n < count; n++ )
{
len = namesOptions[n].length();
if ( len > lenMax )
lenMax = len;
}
wxString detailed;
for ( n = 0; n < count; n++ )
{
len = namesOptions[n].length();
detailed << namesOptions[n]
<< wxString(_T(' '), lenMax - len) << _T('\t')
<< descOptions[n]
<< _T('\n');
}
wxLogMessage(detailed);
}