Create by xinyuan 2020/06/12
- Preamble: We often create our own private libraries, however we often use a command line
pod lib create ***, this article is a simple introduction to his part of the source code.
A simple understanding of the steps
- 1. When we type at the terminal
pod lib create ***After, this screen will appear
Content of the terminal
Normally we would just snap down and produce the file we want, that’s our normal routine, and when we pause and look at the prompt, we see that it has executed a clone. That’s right. He’s just downloading the remote code and doing a bunch of things.
Cloning`https://github.com/CocoaPods/pod-template.git` into `Demo`
Copy the code-
2. File directory structure
File directory
From this structure, the most important ones are the ones inside the setup
rubyThe script. It’s only because he handles iOS, Swift, and Mac that there are so many scripts. -
3. Demo project
The demo project
The usual ones are simply modified using scripts from existing demo projects
Two, part of the code display
- 1, TemplateConfigurator. Rb
# Here is a main method, mainly here to do the language distinction and which demo method to use. Messagebank.rb this file is mainly for some prompt processing classes printed on the terminal
def run
@message_bank.welcome_message
platform = self.ask_with_answers("What platform do you want to use?"["iOS"."macOS"]).to_sym
The script used to make the call is different because the code is different in different languages
case platform
when :macos
ConfigureMacOSSwift.perform(configurator: self)
when :ios
framework = self.ask_with_answers("What language do you want to use?"["Swift"."ObjC"]).to_sym
case framework
when :swift
ConfigureSwift.perform(configurator: self)
Perform (ConfigureIOS); perform (ConfigureIOS)
when :objc
ConfigureIOS.perform(configurator: self)
end
end.end
Copy the code- 2, ConfigureiOS. Rb
module Pod
class ConfigureIOS
attr_reader :configurator
def self.perform(options)
new(options).perform
end
def initialize(options)
@configurator = options.fetch(:configurator)
end
def perform
# Select some options, which will be displayed on the command line if we follow pod Lib create
keep_demo = configurator.ask_with_answers("Would you like to include a demo application with your library"["Yes"."No"]).to_sym
framework = configurator.ask_with_answers("Which testing frameworks will you use"["Specta"."Kiwi"."None"]).to_sym
case framework
when :specta
configurator.add_pod_to_podfile "Specta"
configurator.add_pod_to_podfile "Expecta"
configurator.add_line_to_pch "@import Specta;"
configurator.add_line_to_pch "@import Expecta;"
configurator.set_test_framework("specta"."m"."ios")
when :kiwi
configurator.add_pod_to_podfile "Kiwi"
configurator.add_line_to_pch "@import Kiwi;"
configurator.set_test_framework("kiwi"."m"."ios")
when :none
configurator.set_test_framework("xctest"."m"."ios")
end
snapshots = configurator.ask_with_answers("Would you like to do view based testing"["Yes"."No"]).to_sym
case snapshots
when :yes
configurator.add_pod_to_podfile "FBSnapshotTestCase"
configurator.add_line_to_pch "@import FBSnapshotTestCase;"
if keep_demo == :no
puts " Putting demo application back in, you cannot do view tests without a host application."
keep_demo = :yes
end
if framework == :specta
configurator.add_pod_to_podfile "Expecta+Snapshots"
configurator.add_line_to_pch "@import Expecta_Snapshots;"
end
end
prefix = nil
loop do
prefix = configurator.ask("What is your class prefix").upcase
if prefix.include? (' ')
puts 'Your class prefix cannot contain spaces.'.red
else
break
end
end
# Here, you need to use the project worker. rb file to modify the demo project. Here, we mainly tell part of the information passed, and then run convenient call.
Pod::ProjectManipulator.new({
:configurator => @configurator,
:xcodeproj_path= >"templates/ios/Example/PROJECT.xcodeproj".:platform= >:ios.:remove_demo_project => (keep_demo == :no),
:prefix => prefix
}).run
# There has to be a single file in the Classes dir
# or a framework won't be created, which is now default
`touch Pod/Classes/ReplaceMe.m`
`mv ./templates/ios/* ./`
# remove podspec for osx
`rm ./NAME-osx.podspec`
end
end
end
Copy the code- 3, ProjectManipulator. Rb
# Here is mainly used xcodeProj component, modify xcode file, here should be the essence, here is involved in the use of XcodeProj.
def run
@string_replacements = {
"PROJECT_OWNER" => @configurator.user_name,
"TODAYS_DATE" => @configurator.date,
"TODAYS_YEAR" => @configurator.year,
"PROJECT" => @configurator.pod_name,
"CPD" => @prefix
}
# This method is to get the project file, and then read and replace the contents of the file
replace_internal_project_settings
@project = Xcodeproj::Project.open(@xcodeproj_path)
Podspec, readme. md, LICENSE file
add_podspec_metadata
# remove the demo project and rewrite the Podfile
remove_demo_project if @remove_demo_target
@project.save
For example, you can see that the following is the CPDAppDelegate class name in the demo. It would be nice if we could change this
# unless @remove_demo_target
# # change app file prefixes
# ["CPDAppDelegate.h", "CPDAppDelegate.m", "CPDViewController.h", "CPDViewController.m"].each do |file|
# before = project_folder + "/PROJECT/" + file
# next unless File.exists? before
# after = project_folder + "/PROJECT/" + file.gsub("CPD", prefix)
# File.rename before, after
# end
# # rename project related files
# ["PROJECT-Info.plist", "PROJECT-Prefix.pch", "PROJECT.entitlements"].each do |file|
# before = project_folder + "/PROJECT/" + file
# next unless File.exists? before
# after = project_folder + "/PROJECT/" + file.gsub("PROJECT", @configurator.pod_name)
# File.rename before, after
# end
# end
rename_files
# Change the folder name
rename_project_folder
end
# Here part of the detail code can try to run to see the implementation
Copy the code- 4, TemplateConfigurator. Rb
def run.After the project is processed, it will return to the TemplateConfigurator class to run some public methods
# POD_LICENSE, pod_readme. md, name. podspec,.travis. Yml configuration changes, such as user NAME time, etc
replace_variables_in_files
# Remove files that are not used after cloning "./**/.gitkeep", "configure", "_CONFIGURE.rb", "README.md", "LICENSE", "templates", "setup", "CODE_OF_CONDUCT.md"
clean_template_files
# Replace readme. md, LICENSE, and new. Podspec
rename_template_files
add_pods_to_podfile
customise_prefix
rename_classes_folder
ensure_carthage_compatibility
reinitialize_git_repo
run_pod_install
@message_bank.farewell_message
end
# Here part of the detail code can try to run to see the implementation
Copy the codeThird, concluding remarks
Following this demo from Cocoapods, we should also be able to implement a script that will go through partial configuration and immediately produce a project with basic configuration. The main modification should be the projectproject.rb file. Since the demo project used by Cocoapods is of an older version, it should be noted that some variables still exist during the replacement process. For example, the scheme you see for the rename_files method in projectproject.rb is not currently available for new projects. It is also important to note that he is modifying the existing demo, not creating it.
scheme_path = project_folder + "/PROJECT.xcodeproj/xcshareddata/xcschemes/"
Copy the code