File: macromanager.cpp

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//////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////
//
// copyright            : (C) 2014 Eran Ifrah
// file name            : macromanager.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 "macromanager.h"
#include "environmentconfig.h"
#include "build_config.h"
#include "project.h"
#include "workspace.h"
#include "imanager.h"
#include <wx/regex.h>
#include "globals.h"
#include "clWorkspaceManager.h"
#include "IWorkspace.h"

MacroManager::MacroManager() {}

MacroManager::~MacroManager() {}

MacroManager* MacroManager::Instance()
{
    static MacroManager ms_instance;
    return &ms_instance;
}

wxString MacroManager::Expand(
    const wxString& expression, IManager* manager, const wxString& project, const wxString& confToBuild)
{
    return DoExpand(expression, manager, project, true, confToBuild);
}

wxString MacroManager::Replace(
    const wxString& inString, const wxString& variableName, const wxString& replaceWith, bool bIgnoreCase)
{
    size_t flags = wxRE_DEFAULT;
    if(bIgnoreCase) flags |= wxRE_ICASE;

    wxString strRe1;
    wxString strRe2;
    wxString strRe3;
    wxString strRe4;

    strRe1 << wxT("\\$\\((") << variableName << wxT(")\\)");
    strRe2 << wxT("\\$\\{(") << variableName << wxT(")\\}");
    strRe3 << wxT("\\$(") << variableName << wxT(")");
    strRe4 << wxT("%(") << variableName << wxT(")%");

    wxRegEx reOne(strRe1, flags);   // $(variable)
    wxRegEx reTwo(strRe2, flags);   // ${variable}
    wxRegEx reThree(strRe3, flags); // $variable
    wxRegEx reFour(strRe4, flags);  // %variable%

    wxString result = inString;
    if(reOne.Matches(result)) {
        reOne.ReplaceAll(&result, replaceWith);
    }

    if(reTwo.Matches(result)) {
        reTwo.ReplaceAll(&result, replaceWith);
    }

    if(reThree.Matches(result)) {
        reThree.ReplaceAll(&result, replaceWith);
    }

    if(reFour.Matches(result)) {
        reFour.ReplaceAll(&result, replaceWith);
    }
    return result;
}

bool MacroManager::FindVariable(const wxString& inString, wxString& name, wxString& fullname)
{
    size_t flags = wxRE_DEFAULT | wxRE_ICASE;

    wxString strRe1;
    wxString strRe2;
    wxString strRe3;
    wxString strRe4;

    strRe1 << wxT("\\$\\((") << wxT("[a-z_0-9]+") << wxT(")\\)");
    strRe2 << wxT("\\$\\{(") << wxT("[a-z_0-9]+") << wxT(")\\}");
    strRe3 << wxT("\\$(") << wxT("[a-z_0-9]+") << wxT(")");
    strRe4 << wxT("%(") << wxT("[a-z_0-9]+") << wxT(")%");

    static wxRegEx reOne(strRe1, flags);   // $(variable)
    static wxRegEx reTwo(strRe2, flags);   // ${variable}
    static wxRegEx reThree(strRe3, flags); // $variable
    static wxRegEx reFour(strRe4, flags);  // %variable%

    if(reOne.Matches(inString)) {
        name = reOne.GetMatch(inString, 1);
        fullname = reOne.GetMatch(inString);
        return true;
    }

    if(reTwo.Matches(inString)) {
        name = reTwo.GetMatch(inString, 1);
        fullname = reTwo.GetMatch(inString);
        return true;
    }

    if(reThree.Matches(inString)) {
        name = reThree.GetMatch(inString, 1);
        fullname = reThree.GetMatch(inString);
        return true;
    }

    if(reFour.Matches(inString)) {
        name = reFour.GetMatch(inString, 1);
        fullname = reFour.GetMatch(inString);
        return true;
    }
    return false;
}

wxString MacroManager::ExpandNoEnv(const wxString& expression, const wxString& project, const wxString& confToBuild)
{
    return DoExpand(expression, NULL, project, false, confToBuild);
}

wxString MacroManager::DoExpand(
    const wxString& expression, IManager* manager, const wxString& project, bool applyEnv, const wxString& confToBuild)
{
    wxString expandedString(expression);
    clCxxWorkspace* workspace = clCxxWorkspaceST::Get();
    //IWorkspace* workspace = clWorkspaceManager::Get().IsWorkspaceOpened();
    
    if(!manager) {
        manager = clGetManager();
    }

    size_t retries = 0;
    wxString dummyname, dummfullname;
    while((retries < 5) && FindVariable(expandedString, dummyname, dummyname)) {
        ++retries;
        DollarEscaper de(expandedString);
        if(workspace) {
            expandedString.Replace(wxT("$(WorkspaceName)"), workspace->GetName());
            // Support the new $(WorkspaceConfiguration) macro
            WorkspaceConfigurationPtr wspConfig = workspace->GetSelectedConfig();
            if(wspConfig) {
                expandedString.Replace("$(WorkspaceConfiguration)", wspConfig->GetName());
            } else {
                expandedString.Replace("$(WorkspaceConfiguration)", "");
            }
            
            ProjectPtr proj = workspace->GetProject(project);
            if(proj) {
                wxString prjBuildWd;
                wxString prjRunWd;

                wxString project_name(proj->GetName());

                // make sure that the project name does not contain any spaces
                project_name.Replace(wxT(" "), wxT("_"));

                BuildConfigPtr bldConf = workspace->GetProjBuildConf(proj->GetName(), confToBuild);
                if(bldConf) {
                    bool isCustom = bldConf->IsCustomBuild();
                    expandedString.Replace(wxT("$(ProjectOutputFile)"), bldConf->GetOutputFileName());
                    // An alias
                    expandedString.Replace(wxT("$(OutputFile)"), bldConf->GetOutputFileName());

                    // When custom build project, use the working directory set in the
                    // custom build tab, otherwise use the project file's path
                    prjBuildWd = isCustom ? bldConf->GetCustomBuildWorkingDir() : proj->GetFileName().GetPath();
                    prjRunWd = bldConf->GetWorkingDirectory();
                }

                expandedString.Replace(wxT("$(ProjectWorkingDirectory)"), prjBuildWd);
                expandedString.Replace(wxT("$(ProjectRunWorkingDirectory)"), prjRunWd);
                expandedString.Replace(wxT("$(ProjectPath)"), proj->GetFileName().GetPath());
                expandedString.Replace(wxT("$(WorkspacePath)"), workspace->GetWorkspaceFileName().GetPath());
                expandedString.Replace(wxT("$(ProjectName)"), project_name);

                if(bldConf) {
                    expandedString.Replace(wxT("$(IntermediateDirectory)"), bldConf->GetIntermediateDirectory());
                    expandedString.Replace(wxT("$(ConfigurationName)"), bldConf->GetName());
                    expandedString.Replace(wxT("$(OutDir)"), bldConf->GetIntermediateDirectory());
                }

                if(expandedString.Find(wxT("$(ProjectFiles)")) != wxNOT_FOUND)
                    expandedString.Replace(wxT("$(ProjectFiles)"), proj->GetFiles());

                if(expandedString.Find(wxT("$(ProjectFilesAbs)")) != wxNOT_FOUND)
                    expandedString.Replace(wxT("$(ProjectFilesAbs)"), proj->GetFiles(true));
            }
        }

        if(manager) {
            IEditor* editor = manager->GetActiveEditor();
            if(editor) {
                wxFileName fn(editor->GetFileName());

                expandedString.Replace(wxT("$(CurrentFileName)"), fn.GetName());

                wxString fpath(fn.GetPath());
                fpath.Replace(wxT("\\"), wxT("/"));
                expandedString.Replace(wxT("$(CurrentFilePath)"), fpath);
                expandedString.Replace(wxT("$(CurrentFileExt)"), fn.GetExt());
                expandedString.Replace(wxT("$(CurrentFileFullName)"), fn.GetFullName());

                wxString ffullpath(fn.GetFullPath());
                ffullpath.Replace(wxT("\\"), wxT("/"));
                expandedString.Replace(wxT("$(CurrentFileFullPath)"), ffullpath);
                expandedString.Replace(wxT("$(CurrentSelection)"), editor->GetSelection());
                if(expandedString.Find(wxT("$(CurrentSelectionRange)")) != wxNOT_FOUND) {
                    int start = editor->GetSelectionStart(), end = editor->GetSelectionEnd();

                    wxString output = wxString::Format(wxT("%i:%i"), start, end);
                    expandedString.Replace(wxT("$(CurrentSelectionRange)"), output);
                }
            }
        }

        // exapand common macros
        wxDateTime now = wxDateTime::Now();
        expandedString.Replace(wxT("$(User)"), wxGetUserName());
        expandedString.Replace(wxT("$(Date)"), now.FormatDate());

        if(manager && applyEnv) {
            expandedString.Replace(wxT("$(CodeLitePath)"), manager->GetInstallDirectory());

            // Apply the environment and expand the variables
            EnvSetter es(NULL, NULL, project, confToBuild);
            expandedString = manager->GetEnv()->ExpandVariables(expandedString, false);
        }
    }
    return expandedString;
}