advanced_switch_file.py

import sublime, sublime_plugin
import os.path
import platform

def compare_file_names(x, y):
    if platform.system() == 'Windows' or platform.system() == 'Darwin':
        return x.lower() == y.lower()
    else:
        return x == y

class AdvancedSwitchFileCommand(sublime_plugin.WindowCommand):
    def __init__(self, *args, **kwargs):
        super(AdvancedSwitchFileCommand, self).__init__(*args, **kwargs)
        self.directories = [ '.', 'src', 'include', 'source' ]
        self.sources = [ '.cpp', '.c++', '.cxx', '.c', '.cc' ]
        self.headers = [ '.hpp', '.h++', '.hxx', '.h', '.hh', '.inl', '.ipp' ]

    def is_header(self, ext):
        return ext.lower() in self.headers

    def is_source(self, ext):
        return ext.lower() in self.sources

    def run(self, directories=[]):
        if not self.window.active_view():
            return

        fname = self.window.active_view().file_name()
        if not fname:
            return

        print(fname)
        path = os.path.dirname(fname)
        filename = os.path.basename(fname)
        root = os.path.dirname(path)
        base, ext = os.path.splitext(filename)
        dirs = [os.path.abspath(os.path.join(root, p)) if p != '.' else path for p in self.directories]
        done = False # exit out of nested loop

        search = []
        if self.is_source(ext):
            search = self.headers
        elif self.is_header(ext):
            search = self.sources

        if len(search) != 0:
            for d in dirs:
                if done:
                    break
                for extension in search:
                    p = os.path.join(d, base + extension)
                    if os.path.exists(p):
                        self.window.open_file(p)
                        done = True
                        break