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@@ -169,7 +169,7 @@ pub struct Writer {
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}
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```
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我们将让这个 `Writer` 类型将字符写入屏幕的最后一行,并在一行写满或接收到换行符 `\n` 的时候,将所有的字符向上位移一行。`column_position` 变量将跟踪光标在最后一行的位置。当前字符的前景和背景色将由 `color_code` 变量指定;另外,我们存入一个 VGA 字符缓冲区的可变借用到`buffer`变量中。需要注意的是,这里我们对借用使用**显式生命周期**([explicit lifetime](https://doc.rust-lang.org/book/ch10-03-lifetime-syntax.html#lifetime-annotation-syntax)),告诉编译器这个借用在何时有效:我们使用** `'static` 生命周期 **(['static lifetime](https://doc.rust-lang.org/book/ch10-03-lifetime-syntax.html#the-static-lifetime)),意味着这个借用应该在整个程序的运行期间有效;这对一个全局有效的 VGA 字符缓冲区来说,是非常合理的。
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我们将让这个 `Writer` 类型将字符写入屏幕的最后一行,并在一行写满或接收到换行符 `\n` 的时候,将所有的字符向上位移一行。`column_position` 变量将跟踪光标在最后一行的位置。当前字符的前景和背景色将由 `color_code` 变量指定;另外,我们存入一个 VGA 字符缓冲区的可变借用到`buffer`变量中。需要注意的是,这里我们对借用使用**显式生命周期**([explicit lifetime](https://doc.rust-lang.org/book/ch10-03-lifetime-syntax.html#lifetime-annotation-syntax)),告诉编译器这个借用在何时有效:我们使用 `'static` 生命周期(['static lifetime](https://doc.rust-lang.org/book/ch10-03-lifetime-syntax.html#the-static-lifetime)),意味着这个借用应该在整个程序的运行期间有效;这对一个全局有效的 VGA 字符缓冲区来说,是非常合理的。
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### 打印字符
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BIN
scripts/cover.png
Normal file
BIN
scripts/cover.png
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Binary file not shown.
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After Width: | Height: | Size: 66 KiB |
30
scripts/create-book.sh
Executable file
30
scripts/create-book.sh
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@@ -0,0 +1,30 @@
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#!/bin/bash
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# create working dir
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rm -r book/
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mkdir book/
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# copy data to working dir
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cat ../blog/content/edition-2/posts/*/index.md > book/book.md
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find ../blog/content/edition-2/posts ! -name "*.md" -exec cp -t book/ {} +
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# remove zola metadata
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sed -i '/^+++/,/^+++/d' book/book.md
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# remove br in table in 06, pandoc handles the layout
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sed -i '/<br>/d' book/book.md
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# details/summary breaks epub layout
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sed -i '/^<details>/d' book/book.md
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sed -i '/^<\/details>/d' book/book.md
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sed -i '/^<summary>/d' book/book.md
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# special fix for linking to different folder
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sed -i 's|../paging-introduction/||g' book/book.md
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# go to work dir and create epub
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cd book/
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pandoc book.md -o "Writing an OS in Rust.epub" --metadata cover-image="../cover.png" --metadata title="Writing an OS in Rust" --metadata author="Philipp Oppermann" --metadata description="This blog series creates a small operating system in the Rust programming language. Each post is a small tutorial and includes all needed code, so you can follow along if you like. The source code is also available in the corresponding Github repository."
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#clean up
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cd ..
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mv "book/Writing an OS in Rust.epub" .
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rm -rf book/
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