Sublime Text 3 Plugin to jump from the search context and diff files directly to the file

FindInFilesGoto.py

import sublime
import sublime_plugin
import re
import os

# Sublime Text 3 Plugin to jump from the search context and diff files directly to the file
#
# Version 1.1
# 
# Taken from skuroda (http://stackoverflow.com/questions/16767732/sublime-text-how-to-jump-to-file-from-find-results-using-keyboard) and extended by derjanb
#
#  Sample User Key Bindings:
#
#  { "keys": ["enter"], "command": "find_in_files_goto",
#    "context": [{
#        "key": "selector",
#        "operator": "equal",
#        "operand": "text.find-in-files"
#    }]
#  },
#  { "keys": ["enter"], "command": "find_in_files_goto",
#    "context": [{
#        "key": "selector",
#        "operator": "equal",
#        "operand": "source.diff"
#    }]
#  }

class FindInFilesGotoCommand(sublime_plugin.TextCommand):
    def run(self, edit):
        view = self.view
        if view.name() == "Find Results":
            line_no = self.get_line_no()
            file_name = self.get_file()
            if line_no is not None and file_name is not None:
                file_loc = "%s:%s" % (file_name, line_no)
                view.window().open_file(file_loc, sublime.ENCODED_POSITION)
            elif file_name is not None:
                view.window().open_file(file_name)
        else:
            # if view.name().find("EasyDiff") == 0:
            (self.section, self.patched_file) = self.determine_diff_type()

            line_no = self.get_diff_line_no()
            file_name = self.get_diff_file()
            if line_no is not None and file_name is not None:
                file_loc = "%s:%s" % (file_name, line_no)
                view.window().open_file(file_loc, sublime.ENCODED_POSITION)
            elif file_name is not None:
                view.window().open_file(file_name)

    def determine_diff_type(self):
        view = self.view
        line = view.line(view.text_point(0, 0))
        line_text = view.substr(line)

        if (line_text.find("Index: ") == 0):
            return r"^@@ [-\+]+(\d*),(\d*) [-\+]+(\d*),(\d*) @@$", r"\+\+\+ ([^\(]*).*"
        elif (line_text.find("diff --git ") == 0):
            return r"^@@ [-\+]+(\d*),(\d*) [-\+]+(\d*),(\d*) @@ .*", r"\+\+\+ (?:/b)?([^\(]*).*"
        else:
            print("Warning: unknown diff format!")

        return None, None, None


    def get_diff_line_no(self):
        view = self.view
        if len(view.sel()) == 1:
            line = view.line(view.sel()[0])
            r = 0
            a = 0
            c = 0
            d = None
            while line.begin() > 0:
                line_text = view.substr(line)
                match = re.match(self.patched_file, line_text)
                if match:
                    break

                match = re.match(self.section, line_text)
                if match:
                    c = c
                elif line_text[0] == "-":
                    r = r + 1
                elif line_text[0] == "+":
                    a = a + 1
                elif not d:
                    c = c + 1

                if not d:
                    if match:
                        d = int(match.group(1))
                        if (r > 1):
                            c = c - r
                        if (a > 1):
                            c = c + a - 1
                        a = 0
                        r = 0

                        print(line_text, d, c)
                line = view.line(line.begin() - 1)

        o = None

        if d:
            o = d + (a - r) + c

        print(o, d, a, r, c)
        return o

    def get_diff_file(self):
        view = self.view
        if len(view.sel()) == 1:
            line = view.line(view.sel()[0])
            while line.begin() > 0:
                line_text = view.substr(line)
                match = re.match(self.patched_file, line_text)
                if match:
                    name = match.group(1).strip()
                    print(name)
                    if os.path.exists(name):
                        return name
                    if view.file_name():
                        global_folder, filename = os.path.split(view.file_name())
                        aname = os.path.join(global_folder, name)
                        print(aname)
                        if os.path.exists(aname):
                            return aname
                line = view.line(line.begin() - 1)
        return None

    def get_line_no(self):
        view = self.view
        if len(view.sel()) == 1:
            line_text = view.substr(view.line(view.sel()[0]))
            match = re.match(r"\s*(\d+).+", line_text)
            if match:
                return match.group(1)
        return None

    def get_file(self):
        view = self.view
        if len(view.sel()) == 1:
            line = view.line(view.sel()[0])
            while line.begin() > 0:
                line_text = view.substr(line)
                match = re.match(r"(.+):$", line_text)
                if match:
                    if os.path.exists(match.group(1)):
                        return match.group(1)
                line = view.line(line.begin() - 1)
        return None