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cppclasshelper.py
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cppclasshelper.py
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import sublime, sublime_plugin, os
from sublime_lib import ResourcePath
from .method_generator.exceptions import ClassValidationException
from .method_generator.generator import Generator
from .template import Template
class CreateCppClassCommand(sublime_plugin.WindowCommand):
'''
class for create a C++ class with a sourcefile and headerfile
'''
def run(self, **kwargs):
# plugin settings
self.package_dir = ResourcePath.from_file_path(__file__).parent
self.plugin_name = 'C++ Classhelper'
self.template_dir_name = 'templates'
# self.template_dir = "{}/{}/".format(self.package_dir, self.template_dir_name)
self.template_dir = self.package_dir / self.template_dir_name
# global settings
self.settings = sublime.load_settings("C++ Classhelper.sublime-settings")
self.vars = self.window.extract_variables()
self.view = self.window.active_view()
self.header_file_extension = self.settings.get('header_file_extension')
# directory where files will be created
print(self.vars)
if not "file_path" in self.vars:
self.create_directory = self.vars['folder']
else:
self.create_directory = self.vars['file_path']
# get folder from sidebar
if "paths" in kwargs:
self.create_directory = kwargs['paths'][0]
# user enter a class name to create the class
self.window.show_input_panel("Enter class name: ", "", self.create_class, None, None)
def create_class(self, class_name):
# set source file and header file
self.source_file_name = "{}.cpp".format(class_name)
self.header_file_name = "{}.{}".format(class_name, self.header_file_extension)
source_file_template = Template("C++ Source File")
header_file_template = Template("C++ Header File")
header_template = Template("C++ Header Style")
try:
source_file_template.load(self.template_dir / 'sourcefile.template')
header_file_template.load(self.template_dir / 'headerfile.template')
if self.settings.get('use_pragma_once'):
header_template.load(self.template_dir / 'header-new.template')
else:
header_template.load(self.template_dir / 'header-old.template')
except OSError as e:
sublime.error_message("Error while loading class template: {}".format(str(e)))
return
# render the template
source_file_template.render(class_name=class_name, header_file_extension=self.header_file_extension)
header_file_template.render(class_name=class_name)
# render headerfile into header style
if self.settings.get('use_pragma_once'):
template_vars = {'class_header_content': header_file_template.template}
else:
template_vars = {'class_header_content': header_file_template.template, 'class_name_uppercase': self._build_header_symbol_name(class_name)}
header_template.render(**template_vars)
# file names to create
self.source_file = "{}/{}".format(self.create_directory, self.source_file_name)
self.header_file = "{}/{}".format(self.create_directory, self.header_file_name)
# write files
try:
# write header file
header_file_obj = open(self.header_file, "w+")
header_file_obj.write(header_template.template)
header_file_obj.close()
self.view.set_status('class_create_progress_header_file', 'Successfully created {}'.format(self.header_file_name))
# write source file
source_file_obj = open(self.source_file, "w+")
source_file_obj.write(source_file_template.template)
source_file_obj.close()
self.view.set_status('class_create_progress_source_file', 'Successfully created {}'.format(self.source_file_name))
# clear status bar
sublime.set_timeout(self._erase_status, 5000)
if self.settings.get('open_after_creation'):
self.open_files()
except Exception as e:
sublime.error_message("Error while creating class: {}".format(str(e)))
def open_files(self):
'''
open files after creation
'''
self.window.open_file(self.header_file)
# helper methods
def _erase_status(self):
self.view.erase_status('class_create_progress_header_file')
self.view.erase_status('class_create_progress_source_file')
def _build_header_symbol_name(self, class_name):
class_name += "_{}".format(self.settings.get('header_file_extension'))
class_name = class_name.upper()
return class_name
class GenerateMethodDefinitionCommand(sublime_plugin.WindowCommand):
"""
generates methods for C++ header class
"""
# valid header extensions to search for
VALID_HEADER_EXTENSIONS = [
"hpp",
"h",
"hh",
"H",
"hxx",
"h++"
]
class_file = None
method_list = None
method_definitions = None
method_to_insert = None
settings = None
NEWLINE_AFTER_TEMPLATE = False
NEWLINE_AFTER_METHOD = False
PLACE_CURSOR_BETWEEN_BRACKETS = False
def run(self):
# get filename of active view and get class name which to search the header
vars = self.window.extract_variables()
class_name = vars["file_base_name"]
root_dir = vars["folder"]
self.class_file = self._find_class(root_dir, class_name)
self.settings = sublime.load_settings("C++ Classhelper.sublime-settings")
# setting constants with settings
self.NEWLINE_AFTER_TEMPLATE = self.settings.get("newline_after_template")
self.NEWLINE_AFTER_METHOD = self.settings.get("newline_after_method")
self.PLACE_CURSOR_BETWEEN_BRACKETS = self.settings.get("place_cursor_between_brackets")
# find out which class header to use
if len(self.class_file) == 1:
self.class_file = self.class_file[0]
self._generate_method(self.class_file)
elif len(self.class_file) > 1:
self.window.active_view().show_popup_menu(self.class_file, self.on_class_select)
elif not self.class_file:
sublime.error_message("Could not find the class header in any directory")
def on_class_select(self, class_index):
if class_index == -1:
return
self.class_file = self.class_file[class_index]
self._generate_method(self.class_file)
def _generate_method(self, class_file):
with open(class_file, 'r') as file:
source_code = file.read()
try:
generator = Generator(source_code)
self.method_list = generator.generate_method_list(generator.NAMES)
self.method_definitions = generator.generate_method_list(generator.DEFINITIONS)
self.window.active_view().show_popup_menu(self.method_list, self.on_method_select)
except ClassValidationException as e:
sublime.error_message(str(e))
def insert_method(self, method):
method.add_option(
"newline_after_template",
self.NEWLINE_AFTER_TEMPLATE
)
method.add_option(
"newline_after_method",
self.NEWLINE_AFTER_METHOD
)
method.add_option(
"place_cursor_between_brackets",
self.PLACE_CURSOR_BETWEEN_BRACKETS
)
self.window.run_command('insert_method', {
'method': str(method),
'cursor_between_brackets': self.PLACE_CURSOR_BETWEEN_BRACKETS
})
def on_method_select(self, method_index):
if method_index == -1:
return
self.method_to_insert = self.method_definitions[method_index]
self.insert_method(self.method_to_insert)
def _find_class(self, directory, class_name):
class_files = []
for root, dirs, files in os.walk(directory):
for file in files:
# find base filename and then iterate over valid extensions to find right file
file_basename = file
file = os.path.splitext(file)
file = file[0]
if file == class_name:
for ext in self.VALID_HEADER_EXTENSIONS:
if file_basename == class_name + '.' + ext:
class_files.append(os.path.join(root, file_basename))
return class_files
class InsertMethodCommand(sublime_plugin.TextCommand):
"""
insert generated method into active view
"""
def run(self, edit, **kwargs):
position = self.view.sel()[0].begin()
self.view.insert(edit, position, kwargs["method"])
# place cursor inside brackets
if kwargs["cursor_between_brackets"]:
pos = self.view.sel()[0].begin() - 2
self.view.sel().clear()
self.view.sel().add(sublime.Region(pos))