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/**
ToggleHeaderSource.bsh V1.6
by Alan Ezust
$Id: Toggle_Header_Source.bsh 22405 2012-10-26 17:13:58Z ezust $
A jedit beanshell macro that toggles your current buffer
between the header file (.hh?) and the source file (.c(c|pp|xx)?).
Enables you to switch the current text
buffer between C/C++ header and sourcecode
file. If the file does not already exist, it opens a new buffer
of that name for you.
New to 1.2: If another buffer is already open with the requested
filename, it is selected, even if located in another directory.
New to 1.3: If another EditPane is already open with the
requested buffer, it is selected and focused.
New to 1.4: Instead of throwing an exception, treats
files with no extension as header files, and tries to
open .cpp file with same basename. Searches in
current project for header/source files too.
New to 1.5: Supports multiple, default header extensions.
New to 1.6: Does nothing when not in the correct mode (c or c++)
Fixed a bug where it did not work without projectviewer installed.
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 any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with the jEdit program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
import projectviewer.*;
import projectviewer.vpt.*;
import java.util.*;
/* Set these properties via the console beanshell to something else if cpp,h are not
your favorite extensions. e.g.:
jEdit.setProperty("default.extension.c", "cc");
jEdit.setProperty("default.extension.h", "hh");
*/
String defaultSourceExtension = jEdit.getProperty("default.extension.c", "cpp");
String defaultHeaderExtension = jEdit.getProperty("default.extension.h", "h");
String[] sourceExtensions = new String[]{"cpp", "cxx", "cc", "c"};
String[] headerExtensions = new String[]{"h", "hh", "hpp", "hxx"};
/** Looks for an existing file in the current project, if ProjectViewer is
installed and a 'current' project exists.
@return the absolute path if found, NULL if not.
*/
String findBufferInProject(String fileName) {
fileName = MiscUtilities.getFileName(fileName);
VPTProject project = ProjectViewer.getActiveProject(view);
Collection nodes = project.getOpenableNodes();
for (VPTNode node: nodes) {
String path = node.getNodePath();
if ((path.endsWith("\\" + fileName)) || (path.endsWith("/" + fileName)))
return path;
}
return null;
}
/** Looks for an existing file in the same directory, or
an already open buffer with the given name in another directory.
@return the absolute path if found, NULL if not.
*/
String findBuffer(String fileName) {
File f = new File(fileName);
if (f.canRead()) return f.getPath();
String fn2 = f.getName();
Buffer[] bufs = jEdit.getBuffers();
bn = bufs.length;
for (int i=0; i<bn; ++i) {
Buffer b = bufs[i];
if (b.getName().equals(fn2)) return b.getPath();
}
return null;
}
/** Returns true if PV is installed and a project is selected (current)
*/
boolean activeProjectExists()
{
EditPlugin p = jEdit.getPlugin("projectviewer.ProjectPlugin",false);
if(p == null)
return false;
VPTProject project = ProjectViewer.getActiveProject(view);
return (project != null);
}
/** Given a header file, iterates through all sourcefile extensions checking if the sourcefile exists.
@return the absolute path of the sourcefile for this header
*/
String getSourceFile(String baseName)
{
int numExt = sourceExtensions.length;
// First try open buffers
for (int i=numExt-1; i>=0; --i)
{
String ext = sourceExtensions[i];
String tryFile = baseName + "." + ext;
String path = findBuffer(tryFile);
if (path != null) return path;
}
// Then try current project
if (activeProjectExists())
{
for (int i=numExt-1; i>=0; --i)
{
String ext = sourceExtensions[i];
String tryFile = baseName + "." + ext;
String path = findBufferInProject(tryFile);
if (path != null) return path;
}
}
return baseName + "." + defaultSourceExtension;
}
String getHeaderFile(String baseName)
{
int numExt = headerExtensions.length;
for (int i=numExt-1; i>=0; --i)
{
String ext = headerExtensions[i];
String tryFile = baseName + "." + ext;
String path = findBuffer(tryFile);
if (path != null) return path;
}
// Try no extension at all:
String path = findBuffer(baseName);
if (path != null) return path;
// Then try current project
if (activeProjectExists()) {
for (int i=numExt-1; i>=0; --i)
{
String ext = headerExtensions[i];
String tryFile = baseName + "." + ext;
path = findBufferInProject(tryFile);
if (path != null) return path;
}
// No extension at all in project:
path = findBufferInProject(baseName);
if (path != null) return path;
}
return baseName + "." + defaultHeaderExtension;
}
boolean isSourceFile(String extension)
{
for (int i=0; i<sourceExtensions.length; ++i) {
if (extension.equals(sourceExtensions[i])) return true;
}
return false;
}
void toggleHeaderSource()
{
String mode = buffer.getMode().toString();
if (! (mode.equals("c") || mode.equals("c++"))) return;
String currentFile = buffer.getPath();
int pos = currentFile.lastIndexOf('.');
String path = null;
if (pos < 0) {
path = getSourceFile(currentFile);
}
else {
String baseName = currentFile.substring(0, pos);
String extension = currentFile.substring(pos+1);
if (isSourceFile(extension))
{
path = getHeaderFile(baseName);
if (path == null)
path = baseName + "." + defaultHeaderExtension;
}
else
{
path = getSourceFile(baseName);
}
}
if (path == null) return;
// see if it is already open in another editpane
panes = view.getEditPanes();
if (panes.length > 1)
for (int i=panes.length - 1; i >= 0; --i) {
buf = panes[i].getBuffer();
if (buf.getName().equals(path)
|| buf.getPath().equals(path)) {
panes[i].focusOnTextArea();
return;
}
}
jEdit.openFile(view, path);
}
toggleHeaderSource();
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