epub: support epub version

Makefile

@@ -1,6 +1,6 @@
 DOCKER_ENV=changkun/modern-cpp-tutorial:build-env
 LANGS = zh-cn en-us
-ALL_BUILDS = website pdf
+ALL_BUILDS = website pdf epub
 
 # dep
 
@@ -12,6 +12,12 @@ $(LANGS):
 	mkdir -p website/public/modern-cpp/pdf
 	mv pdf/$@/modern-cpp-tutorial.pdf website/public/modern-cpp/pdf/modern-cpp-tutorial-$@.pdf
 
+epub: $(LANGS)
+$(LANGS):
+	cd epub/$@ && make && make clean
+	mkdir -p website/public/modern-cpp/epub
+	mv epub/$@/modern-cpp-tutorial.epub website/public/modern-cpp/epub/modern-cpp-tutorial-$@.epub
+
 website:
 	cd website && make
 

README-zh-cn.md

@@ -23,7 +23,8 @@
 
 1. [GitHub 在线](./book/zh-cn/toc.md)
 2. [PDF 文档](https://changkun.de/modern-cpp/modern-cpp-tutorial-zh-cn.pdf)
-3. [网站](https://changkun.de/modern-cpp/)
+3. [EPUB 文档](https://changkun.de/modern-cpp/epub/modern-cpp-tutorial-zh-cn.epub)
+4. [网站](https://changkun.de/modern-cpp/)
 
 ## 相关代码
 

README.md

@@ -26,6 +26,7 @@ You can choose from the following reading methods:
 
 - [GitHub Online](./book/en-us/toc.md)
 - [PDF document](https://changkun.de/modern-cpp/pdf/modern-cpp-tutorial-en-us.pdf)
+- [EPUB document](https://changkun.de/modern-cpp/epub/modern-cpp-tutorial-en-us.epub)
 - [Website](https://changkun.de/modern-cpp)
 
 ## Code

epub/en-us/Makefile

@@ -0,0 +1,51 @@
+title = 'Modern C++ Tutorial: C++11/14/17/20 On the Fly'
+filename = 'modern-cpp-tutorial'
+outputname='modern-cpp-tutorial'
+revision = $(shell git describe --always --tags)
+date = $(shell date +'%Y.%m.%d-%H:%M')
+all: revision epub
+
+revision:
+	@echo '---' >> meta.markdown
+	@echo 'title: "Modern C++ Tutorial: C++11/14/17/20 On the Fly"' >> meta.markdown
+	@echo 'author: Changkun Ou <hi@changkun.us>' >> meta.markdown
+	@echo 'subtitle: |' >> meta.markdown
+	@echo '  The content in this PDF file may outdated, please check our website <https://changkun.de/modern-cpp> or GitHub repository <https://github.com/changkun/modern-cpp-tutorial> for the latest book updates. Last update: ${date}' >> meta.markdown
+	@echo 'rights: © Ou Changkun, CC BY-NC-ND 4.0.' >> meta.markdown
+	@echo 'ibooks:' >> meta.markdown
+	@echo '  - version: ${revision}' >> meta.markdown
+	@echo '---' >> meta.markdown
+
+epub: markdown
+	@echo "Compiling PDF file..."
+	pandoc -f markdown+smart --toc -t epub -o $(filename).epub \
+		--highlight-style haddock \
+		--epub-cover-image ../../assets/cover-2nd-en.png \
+		--title-prefix $(title) \
+		meta.markdown \
+		00-preface.md.markdown \
+		01-intro.md.markdown \
+		02-usability.md.markdown \
+		03-runtime.md.markdown \
+		04-containers.md.markdown \
+		05-pointers.md.markdown \
+		06-regex.md.markdown \
+		07-thread.md.markdown \
+		08-filesystem.md.markdown \
+		09-others.md.markdown \
+		10-cpp20.md.markdown \
+		appendix1.md.markdown \
+		appendix2.md.markdown
+	@echo "Done."
+	rm -f *.md *.markdown
+
+markdown:
+	@echo "Copy markdown files..."
+	cp -r ../../book/en-us/* .
+	@echo "Aggregating markdown files..."
+	python3 filter.py
+
+clean:
+	rm -rf *.md *.markdown
+
+.PHONY: markdown epub clean

epub/en-us/filter.py

@@ -0,0 +1,19 @@
+# !/usr/bin/env python3
+# author: changkun<hi@changkun.us>
+
+import os
+
+chapters = ['00-preface.md', '01-intro.md',  '02-usability.md', '03-runtime.md', '04-containers.md', '05-pointers.md', '06-regex.md', '07-thread.md', '08-filesystem.md', '09-others.md', '10-cpp20.md', 'appendix1.md', 'appendix2.md']
+
+ignores = ['TOC', 'Table of Content', 'License', 'license']
+
+for chapter in chapters:
+    with open(chapter+'.markdown', 'w') as outfile:
+        if os.path.isfile(chapter):
+            with open(chapter) as ch:
+                outfile.write('\n')
+                for line in ch:
+                    if any(keyword in line for keyword in ignores):
+                        continue
+                    else:
+                        outfile.write(line)

epub/zh-cn/Makefile

@@ -0,0 +1,51 @@
+title = '现代 C++ 教程：高速上手 C++11/14/17/20'
+filename = 'modern-cpp-tutorial'
+outputname='modern-cpp-tutorial'
+revision = $(shell git describe --always --tags)
+date = $(shell date +'%Y.%m.%d-%H:%M')
+all: revision epub
+
+revision:
+	@echo '---' >> meta.markdown
+	@echo 'title: "现代 C++ 教程：高速上手 C++11/14/17/20"' >> meta.markdown
+	@echo 'author: 欧长坤 <hi@changkun.us>' >> meta.markdown
+	@echo 'subtitle: |' >> meta.markdown
+	@echo '  此文件的内容可能过期，请检查本书网站 <https://changkun.de/modern-cpp> 及 GitHub 仓库<https://github.com/changkun/modern-cpp-tutorial> 以获取最新内容。最后更新：${date}' >> meta.markdown
+	@echo 'rights: © Ou Changkun, CC BY-NC-ND 4.0.' >> meta.markdown
+	@echo 'ibooks:' >> meta.markdown
+	@echo '  - version: ${revision}' >> meta.markdown
+	@echo '---' >> meta.markdown
+
+epub: markdown
+	@echo "Compiling PDF file..."
+	pandoc -f markdown+smart --toc -t epub -o $(filename).epub \
+		--highlight-style haddock \
+		--epub-cover-image ../../assets/cover-2nd.png \
+		--title-prefix $(title) \
+		meta.markdown \
+		00-preface.md.markdown \
+		01-intro.md.markdown \
+		02-usability.md.markdown \
+		03-runtime.md.markdown \
+		04-containers.md.markdown \
+		05-pointers.md.markdown \
+		06-regex.md.markdown \
+		07-thread.md.markdown \
+		08-filesystem.md.markdown \
+		09-others.md.markdown \
+		10-cpp20.md.markdown \
+		appendix1.md.markdown \
+		appendix2.md.markdown
+	@echo "Done."
+	rm -f *.md *.markdown
+
+markdown:
+	@echo "Copy markdown files..."
+	cp -r ../../book/zh-cn/* .
+	@echo "Aggregating markdown files..."
+	python3 filter.py
+
+clean:
+	rm -rf *.md *.markdown
+
+.PHONY: markdown epub clean

epub/zh-cn/filter.py

@@ -0,0 +1,19 @@
+# !/usr/bin/env python3
+# author: changkun<hi@changkun.us>
+
+import os
+
+chapters = ['00-preface.md', '01-intro.md',  '02-usability.md', '03-runtime.md', '04-containers.md', '05-pointers.md', '06-regex.md', '07-thread.md', '08-filesystem.md', '09-others.md', '10-cpp20.md', 'appendix1.md', 'appendix2.md']
+
+ignores = ['TOC', '返回目录', '许可', 'license']
+
+for chapter in chapters:
+    with open(chapter+'.markdown', 'w') as outfile:
+        if os.path.isfile(chapter):
+            with open(chapter) as ch:
+                outfile.write('\n')
+                for line in ch:
+                    if any(keyword in line for keyword in ignores):
+                        continue
+                    else:
+                        outfile.write(line)