Initial commit

Commit

tools/src/bin/convert_quotes.rs

@@ -0,0 +1,78 @@
+use std::io;
+use std::io::{Read, Write};
+
+fn main() {
+    let mut is_in_code_block = false;
+    let mut is_in_inline_code = false;
+    let mut is_in_html_tag = false;
+
+    let mut buffer = String::new();
+    if let Err(e) = io::stdin().read_to_string(&mut buffer) {
+	panic!("{}", e);
+    }
+
+    for line in buffer.lines() {
+	if line.is_empty() {
+	    is_in_inline_code = false;
+	}
+	if line.starts_with("```") {
+	    is_in_code_block = !is_in_code_block;
+	}
+	if is_in_code_block {
+	    is_in_inline_code = false;
+	    is_in_html_tag = false;
+	    write!(io::stdout(), "{}\n", line).unwrap();
+	} else {
+	    let modified_line = &mut String::new();
+	    let mut previous_char = std::char::REPLACEMENT_CHARACTER;
+	    let mut chars_in_line = line.chars();
+
+	    while let Some(possible_match) = chars_in_line.next() {
+		// Check if inside inline code.
+		if possible_match == '`' {
+		    is_in_inline_code = !is_in_inline_code;
+		}
+		// Check if inside HTML tag.
+		if possible_match == '<' && !is_in_inline_code {
+		    is_in_html_tag = true;
+		}
+		if possible_match == '>' && !is_in_inline_code {
+		    is_in_html_tag = false;
+		}
+
+		// Replace with right/left apostrophe/quote.
+		let char_to_push = if possible_match == '\''
+		    && !is_in_inline_code
+		    && !is_in_html_tag
+		{
+		    if (previous_char != std::char::REPLACEMENT_CHARACTER
+			&& !previous_char.is_whitespace())
+			|| previous_char == '‘'
+		    {
+			'’'
+		    } else {
+			'‘'
+		    }
+		} else if possible_match == '"'
+		    && !is_in_inline_code
+		    && !is_in_html_tag
+		{
+		    if (previous_char != std::char::REPLACEMENT_CHARACTER
+			&& !previous_char.is_whitespace())
+			|| previous_char == '“'
+		    {
+			'”'
+		    } else {
+			'“'
+		    }
+		} else {
+		    // Leave untouched.
+		    possible_match
+		};
+		modified_line.push(char_to_push);
+		previous_char = char_to_push;
+	    }
+	    write!(io::stdout(), "{}\n", modified_line).unwrap();
+	}
+    }
+}