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//////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////
//
// copyright : (C) 2008 by Eran Ifrah
// file name : cl_calltip.cpp
//
// -------------------------------------------------------------------------
// A
// _____ _ _ _ _
// / __ \ | | | | (_) |
// | / \/ ___ __| | ___| | _| |_ ___
// | | / _ \ / _ |/ _ \ | | | __/ _ )
// | \__/\ (_) | (_| | __/ |___| | || __/
// \____/\___/ \__,_|\___\_____/_|\__\___|
//
// F i l e
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
//////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////
#include "precompiled_header.h"
#include <map>
#include "ctags_manager.h"
#include "cl_calltip.h"
#ifdef __VISUALC__
#ifdef _DEBUG
#define new DEBUG_NEW
#endif
#endif
struct tagCallTipInfo {
wxString sig;
wxString retValue;
std::vector<std::pair<int, int> > paramLen;
};
clCallTip::clCallTip(const std::vector<TagEntryPtr> &tips)
: m_curr(0)
{
Initialize(tips);
}
clCallTip::clCallTip(const clCallTip& rhs)
{
*this = rhs;
}
clCallTip& clCallTip::operator =(const clCallTip& rhs)
{
if (this == &rhs)
return *this;
m_tips = rhs.m_tips;
return *this;
}
wxString clCallTip::First()
{
m_curr = 0;
if (m_tips.empty())
return wxEmptyString;
return TipAt(0);
}
wxString clCallTip::TipAt(int at)
{
wxString tip;
if ( m_tips.size() > 1 ) {
tip << m_tips.at(at).str ;
} else {
tip << m_tips.at( 0 ).str;
}
return tip;
}
wxString clCallTip::Next()
{
// format a tip string and return it
if ( m_tips.empty() )
return wxEmptyString;
m_curr++;
if ( m_curr >= (int)m_tips.size() ) {
m_curr = 0;
} // if( m_curr >= m_tips.size() )
return TipAt(m_curr);
}
wxString clCallTip::Prev()
{
// format a tip string and return it
if ( m_tips.empty() )
return wxEmptyString;
m_curr--;
if (m_curr < 0) {
m_curr = (int)m_tips.size()-1;
}
return TipAt(m_curr);
}
wxString clCallTip::All()
{
wxString tip;
for (size_t i=0; i<m_tips.size(); i++) {
tip << m_tips.at(i).str << wxT("\n");
}
tip.RemoveLast();
return tip;
}
int clCallTip::Count() const
{
return (int)m_tips.size();
}
void clCallTip::Initialize(const std::vector<TagEntryPtr> &tips)
{
std::map<wxString, tagCallTipInfo> mymap;
for (size_t i=0; i< tips.size(); i++) {
tagCallTipInfo cti;
TagEntryPtr t = tips.at(i);
if ( t->IsMethod() ) {
wxString raw_sig ( t->GetSignature().Trim().Trim(false) );
// evaluate the return value of the tag
cti.retValue = TagsManagerST::Get()->GetFunctionReturnValueFromPattern(t);
bool hasDefaultValues = (raw_sig.Find(wxT("=")) != wxNOT_FOUND);
// the key for unique entries is the function prototype without the variables names and
// any default values
wxString key = TagsManagerST::Get()->NormalizeFunctionSig(raw_sig, Normalize_Func_Reverse_Macro);
// the signature that we want to keep is one with name & default values, so try and get the maximum out of the
// function signature
wxString full_signature = TagsManagerST::Get()->NormalizeFunctionSig(raw_sig, Normalize_Func_Name | Normalize_Func_Default_value | Normalize_Func_Reverse_Macro, &cti.paramLen);
cti.sig = full_signature;
if (hasDefaultValues) {
// incase default values exist in this prototype,
// update/insert this signature
mymap[key] = cti;
}
// make sure we dont add duplicates
if ( mymap.find(key) == mymap.end() ) {
// add it
mymap[key] = cti;
}
} else {
// macro
wxString macroName = t->GetName();
wxString pattern = t->GetPattern();
int where = pattern.Find(macroName);
if (where != wxNOT_FOUND) {
//remove the #define <name> from the pattern
pattern = pattern.Mid(where + macroName.Length());
pattern = pattern.Trim().Trim(false);
if (pattern.StartsWith(wxT("("))) {
//this macro has the form of a function
pattern = pattern.BeforeFirst(wxT(')'));
pattern.Append(wxT(')'));
cti.sig = pattern.Trim().Trim(false);
mymap[cti.sig] = cti;
}
}
}
}
std::map<wxString, tagCallTipInfo>::iterator iter = mymap.begin();
m_tips.clear();
for (; iter != mymap.end(); iter++) {
wxString tip;
if ( iter->second.retValue.empty() == false ) {
tip << iter->second.retValue.Trim(false).Trim() << wxT(" : ");
}
tip << iter->second.sig;
clTipInfo ti;
ti.paramLen = iter->second.paramLen;
ti.str = tip;
m_tips.push_back(ti);
}
}
void clCallTip::GetHighlightPos(int index, int& start, int& len)
{
start = wxNOT_FOUND;
len = wxNOT_FOUND;
if (m_curr >= 0 && m_curr < (int)m_tips.size()) {
clTipInfo ti = m_tips.at(m_curr);
int base = ti.str.Find(wxT("("));
// sanity
if (base != wxNOT_FOUND && index < (int)ti.paramLen.size() && index >= 0) {
start = ti.paramLen.at(index).first + base;
len = ti.paramLen.at(index).second;
}
}
}
wxString clCallTip::Current()
{
// format a tip string and return it
if ( m_tips.empty() )
return wxEmptyString;
if ( m_curr >= (int)m_tips.size() || m_curr < 0) {
m_curr = 0;
}
return TipAt(m_curr);
}
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