# GoAT: Go ASCII Tool

This is a Go implementation of [markdeep.mini.js]'s ASCII diagram
generation.

## Usage

```bash
$ go get github.com/bep/goat
$ goat my-cool-diagram.txt > my-cool-diagram.svg
```

## TODO

- Dashed lines signaled by `:` or `=`.
- Bold lines signaled by ???.

## Examples

Here are some SVGs and the ASCII input they were generated from:

### Trees

![Trees Example](https://cdn.rawgit.com/blampe/goat/master/examples/trees.svg)

```
          .               .                .               .--- 1          .-- 1     / 1
         / \              |                |           .---+            .-+         +
        /   \         .---+---.         .--+--.        |   '--- 2      |   '-- 2   / \ 2
       +     +        |       |        |       |    ---+            ---+          +
      / \   / \     .-+-.   .-+-.     .+.     .+.      |   .--- 3      |   .-- 3   \ / 3
     /   \ /   \    |   |   |   |    |   |   |   |     '---+            '-+         +
     1   2 3   4    1   2   3   4    1   2   3   4         '--- 4          '-- 4     \ 4
```

### Overlaps

![Overlaps Example](https://cdn.rawgit.com/blampe/goat/master/examples/overlaps.svg)

```
           .-.           .-.           .-.           .-.           .-.           .-.
          |   |         |   |         |   |         |   |         |   |         |   |
       .---------.   .--+---+--.   .--+---+--.   .--|   |--.   .--+   +--.   .------|--.
      |           | |           | |   |   |   | |   |   |   | |           | |   |   |   |
       '---------'   '--+---+--'   '--+---+--'   '--|   |--'   '--+   +--'   '--|------'
          |   |         |   |         |   |         |   |         |   |         |   |
           '-'           '-'           '-'           '-'           '-'           '-'
```

### Line Decorations

![Line Decorations Example](https://cdn.rawgit.com/blampe/goat/master/examples/line-decorations.svg)

```
                ________                            o        *          *   .--------------.
   *---+--.    |        |     o   o      |         ^          \        /   |  .----------.  |
       |   |    '--*   -+-    |   |      v        /            \      /    | |  <------.  | |
       |    '----->       .---(---'  --->*<---   /      .+->*<--o----'     | |          | | |
   <--'  ^  ^             |   |                 |      | |  ^    \         |  '--------'  | |
          \/        *-----'   o     |<----->|   '-----'  |__|     v         '------------'  |
          /\                                                               *---------------'
```

### Line Ends

![Line Ends Example](https://cdn.rawgit.com/blampe/goat/master/examples/line-ends.svg)

```
   o--o    *--o     /  /   *  o  o o o o   * * * *   o o o o   * * * *      o o o o   * * * *
   o--*    *--*    v  v   ^  ^   | | | |   | | | |    \ \ \ \   \ \ \ \    / / / /   / / / /
   o-->    *-->   *  o   /  /    o * v '   o * v '     o * v \   o * v \  o * v /   o * v /
   o---    *---
                                 ^ ^ ^ ^   . . . .   ^ ^ ^ ^   \ \ \ \      ^ ^ ^ ^   / / / /
   |  |   *  o  \  \   *  o      | | | |   | | | |    \ \ \ \   \ \ \ \    / / / /   / / / /
   v  v   ^  ^   v  v   ^  ^     o * v '   o * v '     o * v \   o * v \  o * v /   o * v /
   *  o   |  |    *  o   \  \

   <--o   <--*   <-->   <---      ---o   ---*   --->   ----      *<--   o<--   -->o   -->*
```

### Dot Grids

![Dot Grids Example](https://cdn.rawgit.com/blampe/goat/master/examples/dot-grids.svg)

```
  o o o o o  * * * * *  * * o o *    o o o      * * *      o o o     · * · · ·     · · ·
  o o o o o  * * * * *  o o o o *   o o o o    * * * *    * o * *    · * * · ·    · · · ·
  o o o o o  * * * * *  o * o o o  o o o o o  * * * * *  o o o o o   · o · · o   · · * * ·
  o o o o o  * * * * *  o * o o o   o o o o    * * * *    o * o o    · · · · o    · · * ·
  o o o o o  * * * * *  * * * * o    o o o      * * *      o * o     · · · · ·     · · *
```

### Large Nodes

![Large Node Example](https://cdn.rawgit.com/blampe/goat/master/examples/large-nodes.svg)

```
   .---.       .-.        .-.       .-.                                       .-.
   | A +----->| 1 +<---->| 2 |<----+ 4 +------------------.                  | 8 |
   '---'       '-'        '+'       '-'                    |                  '-'
                           |         ^                     |                   ^
                           v         |                     v                   |
                          .-.      .-+-.        .-.      .-+-.      .-.       .+.       .---.
                         | 3 +---->| B |<----->| 5 +---->| C +---->| 6 +---->| 7 |<---->| D |
                          '-'      '---'        '-'      '---'      '-'       '-'       '---'
```

### Small Grids

![Small Grids Example](https://cdn.rawgit.com/blampe/goat/master/examples/small-grids.svg)

```
       ___     ___      .---+---+---+---+---.     .---+---+---+---.  .---.   .---.
   ___/   \___/   \     |   |   |   |   |   |    / \ / \ / \ / \ /   |   +---+   |
  /   \___/   \___/     +---+---+---+---+---+   +---+---+---+---+    +---+   +---+
  \___/ b \___/   \     |   |   | b |   |   |    \ / \a/ \b/ \ / \   |   +---+   |
  / a \___/   \___/     +---+---+---+---+---+     +---+---+---+---+  +---+ b +---+
  \___/   \___/   \     |   | a |   |   |   |    / \ / \ / \ / \ /   | a +---+   |
      \___/   \___/     '---+---+---+---+---'   '---+---+---+---'    '---'   '---'
```

### Big Grids

![Big Grids Example](https://cdn.rawgit.com/blampe/goat/master/examples/big-grids.svg)

```
    .----.        .----.
   /      \      /      \            .-----+-----+-----.
  +        +----+        +----.      |     |     |     |          .-----+-----+-----+-----+
   \      /      \      /      \     |     |     |     |         /     /     /     /     /
    +----+   B    +----+        +    +-----+-----+-----+        +-----+-----+-----+-----+
   /      \      /      \      /     |     |     |     |       /     /     /     /     /
  +   A    +----+        +----+      |     |  B  |     |      +-----+-----+-----+-----+
   \      /      \      /      \     +-----+-----+-----+     /     /  A  /  B  /     /
    '----+        +----+        +    |     |     |     |    +-----+-----+-----+-----+
          \      /      \      /     |  A  |     |     |   /     /     /     /     /
           '----'        '----'      '-----+-----+-----'  '-----+-----+-----+-----+
```

### Complicated

![Complicated Example](https://cdn.rawgit.com/blampe/goat/master/examples/complicated.svg)

```
+-------------------+                           ^                      .---.
|    A Box          |__.--.__    __.-->         |      .-.             |   |
|                   |        '--'               v     | * |<---        |   |
+-------------------+                                  '-'             |   |
                       Round                                       *---(-. |
  .-----------------.  .-------.    .----------.         .-------.     | | |
 |   Mixed Rounded  | |         |  / Diagonals  \        |   |   |     | | |
 | & Square Corners |  '--. .--'  /              \       |---+---|     '-)-'       .--------.
 '--+------------+-'  .--. |     '-------+--------'      |   |   |       |        / Search /
    |            |   |    | '---.        |               '-------'       |       '-+------'
    |<---------->|   |    |      |       v                Interior                 |     ^
    '           <---'      '----'   .-----------.              ---.     .---       v     |
 .------------------.  Diag line    | .-------. +---.              \   /           .     |
 |   if (a > b)     +---.      .--->| |       | |    | Curved line  \ /           / \    |
 |   obj->fcn()     |    \    /     | '-------' |<--'                +           /   \   |
 '------------------'     '--'      '--+--------'      .--. .--.     |  .-.     +Done?+-'
    .---+-----.                        |   ^           |\ | | /|  .--+ |   |     \   /
    |   |     | Join        \|/        |   | Curved    | \| |/ | |    \    |      \ /
    |   |     +---->  o    --o--        '-'  Vertical  '--' '--'  '--  '--'        +  .---.
 <--+---+-----'       |     /|\                                                    |  | 3 |
                      v                             not:line    'quotes'        .-'   '---'
  .-.             .---+--------.            /            A || B   *bold*       |        ^
 |   |           |   Not a dot  |      <---+---<--    A dash--is not a line    v        |
  '-'             '---------+--'          /           Nor/is this.            ---
```

More examples are available [here](examples).

[markdeep.mini.js]: http://casual-effects.com/markdeep/