nanohtml2text

commit 8ad91b23d6caddd1c5b627f8060c99a71ce9cea9
parent 06549d688cea183d3c4918aafe2219ac442a18a2
Author: alex wennerberg <alex@alexwennerberg.com>
Date:   Mon,  3 Jan 2022 08:57:38 -0800

Update README, get started

Diffstat:
A
Cargo.lock
 | 
7
+++++++
M
Cargo.toml
 | 
4
+---
A
README
 | 
13
+++++++++++++
D
README.md
 | 
3
---
A
src/lib.rs
 | 
1
+
M
src/main.rs
 | 
32
++++++++++++++++++++++++++++++++

6 files changed, 54 insertions(+), 6 deletions(-)
diff --git a/Cargo.lock b/Cargo.lock
@@ -0,0 +1,7 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+version = 3
+
+[[package]]
+name = "nanohtml2text"
+version = "0.1.0"
diff --git a/Cargo.toml b/Cargo.toml
@@ -1,8 +1,6 @@
 [package]
-name = "html2text-lite"
+name = "nanohtml2text"
 version = "0.1.0"
 edition = "2018"
 
-# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
-
 [dependencies]
diff --git a/README b/README
@@ -0,0 +1,13 @@
+nanohtml2text
+=============
+
+0-dependency library to convert HTML to text; an alternative to https://crates.io/crates/html2text that doesn't use a full browser-grade HTML parser
+
+Based on https://github.com/k3a/html2text -- basically a line-for-line rewreite
+
+Useful for displaying HTML emails
+
+Usage:
+
+let s = "<b>Hacker mode</b>"
+html2text(s);
diff --git a/README.md b/README.md
@@ -1,3 +0,0 @@
-# HTML to text
-
-Like html2text, but doesn't require a full browser-grade html parser
diff --git a/src/lib.rs b/src/lib.rs
@@ -0,0 +1 @@
+fn html2text() {}
diff --git a/src/main.rs b/src/main.rs
@@ -1,3 +1,35 @@
+// almost a line for line rewrite of https://github.com/k3a/html2text/blob/master/html2text.go
 fn main() {
     println!("Hello, world!");
 }
+
+fn write_space(s: &mut String) {}
+
+fn html2text(input: &str) -> String {
+    let in_len = input.len();
+    let mut tag_start = 0;
+    let mut in_ent = false;
+    let mut bad_tag_stack_depth = 0;
+    let mut should_output = true;
+    let mut can_print_new_line = false;
+    let mut out_buf = String::new();
+    for (i, r) in input.chars().enumerate() {
+        if in_len > 0 && i == in_len - 1 {
+            can_print_new_line = false
+        }
+        if r.is_whitespace() {
+            if should_output && bad_tag_stack_depth == 0 && !in_ent {
+                write_space(&mut out_buf);
+            }
+            continue;
+        } else if r == ';' && in_ent {
+            in_ent = false;
+            continue;
+        } else if r == '&' && should_output {
+            let mut ent_name = String::new();
+            in_ent = false;
+            // parse the entity name, max 10 chars
+        }
+    }
+    out_buf
+}