Added FSM rendering via graphviz

Cargo.lock

@@ -34,6 +34,7 @@ name = "configotron"
 version = "0.1.0"
 dependencies = [
  "graphviz-rust",
+ "itertools",
  "pad",
  "rand",
  "serde",
@@ -85,6 +86,12 @@ version = "0.1.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "498cfcded997a93eb31edd639361fa33fd229a8784e953b37d71035fe3890b7b"
 
+[[package]]
+name = "either"
+version = "1.15.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "48c757948c5ede0e46177b7add2e67155f70e33c07fea8284df6576da70b3719"
+
 [[package]]
 name = "equivalent"
 version = "1.0.2"
@@ -194,6 +201,15 @@ dependencies = [
  "syn 1.0.109",
 ]
 
+[[package]]
+name = "itertools"
+version = "0.14.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2b192c782037fadd9cfa75548310488aabdbf3d2da73885b31bd0abd03351285"
+dependencies = [
+ "either",
+]
+
 [[package]]
 name = "itoa"
 version = "1.0.15"

Cargo.toml

@@ -10,3 +10,4 @@ serde_yml = "0.0.12"
 thiserror = "1"
 rand = "0.8"
 graphviz-rust = "0.9.4"
+itertools = "0.14.0"

src/configotron/conf.rs

@@ -1,35 +1,33 @@
 use serde::{Deserialize, Serialize};
 
-use std::{fs};
+use std::fs;
-
 
 #[derive(Deserialize, Serialize, Debug)]
 pub enum UserConfigItem {
     String {
         name: String,
-        max_length: u64
+        max_length: u64,
     },
     IPv4 {
         name: String,
     },
     Boolean {
-        name: String
+        name: String,
     },
     Number {
         name: String,
         max: Option<i32>,
-        min: Option<i32>
+        min: Option<i32>,
     },
-    Submenu(UserConfigData)
+    Submenu(UserConfigData),
 }
 
 #[derive(Deserialize, Serialize, Debug)]
 pub struct UserConfigData {
     pub name: String,
-    pub config_items: Vec<UserConfigItem>
+    pub config_items: Vec<UserConfigItem>,
 }
 
-
 #[derive(thiserror::Error, Debug)]
 pub enum ConfigotronError {
     #[error("IO Operation failed: {}", ._0.to_string())]
@@ -39,12 +37,12 @@ pub enum ConfigotronError {
     YamlParsingError(#[from] serde_yml::Error),
 
     #[error("Missing field {} (line {} col {}) {}", .missing_filed, .line, .col, .context)]
-    MissingFieldError{
+    MissingFieldError {
         col: i32,
         line: i32,
         missing_filed: Box<str>,
-        context: Box<str>
+        context: Box<str>,
-    }
+    },
 }
 
 pub fn read_and_parse_yaml_file(input_file: &str) -> Result<UserConfigData, ConfigotronError> {

src/configotron/doc/grid.rs

@@ -1,15 +1,15 @@
-use std::{fmt::format, usize};
 use pad::PadStr;
+use std::usize;
 
-use crate::configotron::{conf::{UserConfigData, UserConfigItem}, doc::grid};
+use crate::configotron::conf::{UserConfigData, UserConfigItem};
 
 #[derive(Clone, PartialEq, Debug)]
-pub enum DocGridCellType{
+pub enum DocGridCellType {
     Boarder,
     Empty,
     SubMenu { text: Vec<String> },
     Item { text: Vec<String> },
-    ItemJoin
+    ItemJoin,
 }
 
 impl DocGridCellType {
@@ -19,44 +19,51 @@ impl DocGridCellType {
             DocGridCellType::Item { .. } => "I".to_string(),
             DocGridCellType::ItemJoin => "i".to_string(),
             DocGridCellType::SubMenu { .. } => "S".to_string(),
-            DocGridCellType::Boarder => "B".to_string()
+            DocGridCellType::Boarder => "B".to_string(),
         }
     }
 }
 
 pub enum ResultingGridCell {
     Grid(DocGrid),
-    Cell(DocGridCellType)
+    Cell(DocGridCellType),
 }
 
 fn split_string(s: &String) -> Vec<String> {
-    s.split('\n').map(|s| s.to_string()).collect::<Vec<String>>()
+    s.split('\n')
+        .map(|s| s.to_string())
+        .collect::<Vec<String>>()
 }
 
 fn user_config_item_to_grid_cells(item: &UserConfigItem) -> ResultingGridCell {
-
     match item {
         UserConfigItem::String { name, max_length } => {
-            ResultingGridCell::Cell(DocGridCellType::Item { text: vec![
+            ResultingGridCell::Cell(DocGridCellType::Item {
-                name.to_string(), format!("[length: 0..{}]", max_length)
+                text: vec![name.to_string(), format!("[length: 0..{}]", max_length)],
-            ]}
+            })
-        )},
+        }
-        UserConfigItem::IPv4 { name } => ResultingGridCell::Cell(DocGridCellType::Item { text: vec![
+        UserConfigItem::IPv4 { name } => ResultingGridCell::Cell(DocGridCellType::Item {
-            name.to_string(), "[Address IPv4]".to_string()  
+            text: vec![name.to_string(), "[Address IPv4]".to_string()],
-        ]}),
+        }),
-        UserConfigItem::Boolean { name } => ResultingGridCell::Cell(DocGridCellType::Item { text: vec![
+        UserConfigItem::Boolean { name } => ResultingGridCell::Cell(DocGridCellType::Item {
-            name.to_string(), "[Yes/No]".to_string()
+            text: vec![name.to_string(), "[Yes/No]".to_string()],
-        ] }),
+        }),
-        UserConfigItem::Number { name, max, min } => ResultingGridCell::Cell(DocGridCellType::Item { text: vec![
+        UserConfigItem::Number { name, max, min } => {
+            ResultingGridCell::Cell(DocGridCellType::Item {
+                text: vec![
                     name.to_string(),
                     match (min, max) {
                         (None, None) => "[Integers]".to_string(),
                         (None, Some(h)) => format!("[Integers: ..{}]", h),
                         (Some(l), None) => format!("[Integers: {}..]", l),
                         (Some(l), Some(h)) => format!("[Integers: {}..{}]", l, h),
+                    },
+                ],
+            })
+        }
+        UserConfigItem::Submenu(user_config_data) => {
+            ResultingGridCell::Grid(DocGrid::from(user_config_data))
         }
-        ] }),
-        UserConfigItem::Submenu(user_config_data) => ResultingGridCell::Grid(DocGrid::from(user_config_data)),
     }
 }
 
@@ -64,12 +71,16 @@ fn user_config_item_to_grid_cells(item: &UserConfigItem) -> ResultingGridCell {
 pub struct DocGrid {
     rows: usize,
     cols: usize,
-    array_cells: Vec<DocGridCellType>
+    array_cells: Vec<DocGridCellType>,
 }
 
 impl DocGrid {
     pub fn new() -> Self {
-        Self { rows: 0, cols: 2, array_cells: Vec::new() }
+        Self {
+            rows: 0,
+            cols: 2,
+            array_cells: Vec::new(),
+        }
     }
 
     pub fn len(&self) -> usize {
@@ -81,23 +92,25 @@ impl DocGrid {
     }
 
     pub fn set_title(&mut self, cell: DocGridCellType) {
-        self.array_cells.resize(self.len() + self.cols, DocGridCellType::Empty);
+        self.array_cells
+            .resize(self.len() + self.cols, DocGridCellType::Empty);
         self.array_cells[0] = cell;
     }
 
     pub fn append_item(&mut self, item: ResultingGridCell) {
         match item {
             ResultingGridCell::Cell(cell_type) => {
-                self.array_cells.resize(self.len() + self.cols, DocGridCellType::Empty);
+                self.array_cells
-                self.array_cells[self.rows*self.cols + 1] = cell_type;
+                    .resize(self.len() + self.cols, DocGridCellType::Empty);
+                self.array_cells[self.rows * self.cols + 1] = cell_type;
 
                 self.rows += 1;
-            },
+            }
             ResultingGridCell::Grid(grid) => {
                 let new_col_size = std::cmp::max(self.cols, grid.cols + 1);
                 let new_row_size = self.rows + grid.rows;
-                self.array_cells.resize(new_col_size * new_row_size, DocGridCellType::Empty);
+                self.array_cells
-                
+                    .resize(new_col_size * new_row_size, DocGridCellType::Empty);
 
                 let row_offset = self.rows;
                 let old_cols = self.cols;
@@ -121,10 +134,8 @@ impl DocGrid {
                 // Copy in new stuff
                 for row_index in 0..grid.rows {
                     for col_index in 0..grid.cols {
-                        let (target_row_index, target_col_index) = (
+                        let (target_row_index, target_col_index) =
-                            row_index + row_offset, 
+                            (row_index + row_offset, col_index + 1);
-                            col_index + 1
-                        );
 
                         let target_index = target_col_index + target_row_index * self.cols;
                         let src_index = row_index * grid.cols + col_index;
@@ -142,7 +153,10 @@ impl DocGrid {
         for row_index in 0..self.rows {
             s.push_str("| ");
             for col_index in 0..self.cols {
-                s.push_str(&format!("{} ", self.array_cells[row_index * self.cols + col_index].to_debug_string()));
+                s.push_str(&format!(
+                    "{} ",
+                    self.array_cells[row_index * self.cols + col_index].to_debug_string()
+                ));
             }
             s.push_str("|\n")
         }
@@ -152,21 +166,19 @@ impl DocGrid {
 
     fn row_size_max(&self, c: usize) -> usize {
         let max = (0..self.rows)
-            .map(|r| { match &self.array_cells[r*self.cols + c] {
+            .map(|r| match &self.array_cells[r * self.cols + c] {
                 DocGridCellType::Boarder => 1,
                 DocGridCellType::Empty => 1,
                 DocGridCellType::SubMenu { text: name } => {
-                    name
+                    name.iter().map(|s| s.len()).max().unwrap_or(0)
-                        .iter()
+                }
-                        .map(|s| s.len()).max().unwrap_or(0)
-                },
                 DocGridCellType::Item { text: name } => {
-                    name
+                    name.iter().map(|s| s.len()).max().unwrap_or(0)
-                        .iter()
+                }
-                        .map(|s| s.len()).max().unwrap_or(0)
-                },
                 DocGridCellType::ItemJoin => 1,
-            } }).max().unwrap_or(1);
+            })
+            .max()
+            .unwrap_or(1);
 
         max
     }
@@ -181,17 +193,15 @@ impl DocGrid {
 
     fn col_size_max(&self, r: usize) -> usize {
         let max = (0..self.cols)
-            .map(|c| { match &self.array_cells[r*self.cols + c] {
+            .map(|c| match &self.array_cells[r * self.cols + c] {
                 DocGridCellType::Boarder => 1,
                 DocGridCellType::Empty => 1,
-                DocGridCellType::SubMenu { text: name } => {
+                DocGridCellType::SubMenu { text: name } => name.len(),
-                    name.len()
+                DocGridCellType::Item { text: name } => name.len(),
-                },
-                DocGridCellType::Item { text: name } => {
-                    name.len()
-                },
                 DocGridCellType::ItemJoin => 1,
-            } }).max().unwrap_or(1);
+            })
+            .max()
+            .unwrap_or(1);
 
         max
     }
@@ -208,7 +218,9 @@ impl DocGrid {
 impl From<&UserConfigData> for DocGrid {
     fn from(value: &UserConfigData) -> Self {
         let mut res = DocGrid::new();
-        res.set_title(DocGridCellType::SubMenu { text: split_string(&value.name) });
+        res.set_title(DocGridCellType::SubMenu {
+            text: split_string(&value.name),
+        });
         value.config_items.iter().for_each(|i| {
             res.append_item(user_config_item_to_grid_cells(i));
         });
@@ -217,31 +229,34 @@ impl From<&UserConfigData> for DocGrid {
         for row_index in 0..res.rows {
             for col_index in 2..res.cols {
                 let index = col_index + row_index * res.cols;
-                match res.array_cells[col_index-1 + row_index * res.cols] {
+                match res.array_cells[col_index - 1 + row_index * res.cols] {
                     DocGridCellType::Item { .. } => {
                         res.array_cells[index] = DocGridCellType::ItemJoin;
-                    },
+                    }
                     DocGridCellType::ItemJoin => {
                         res.array_cells[index] = DocGridCellType::ItemJoin;
                     }
                     _ => {}
                 }
-
             }
         }
         res
     }
 }
 
-
 #[derive(Clone)]
 pub enum DocGridLineType {
-    NONE, VERTICAL, HORIZONTAL
+    NONE,
+    VERTICAL,
+    HORIZONTAL,
 }
 
 #[derive(Clone)]
 pub enum DocGridLineCrossType {
-    NONE, FULL, VERTICAL, HORIZONTAL
+    NONE,
+    FULL,
+    VERTICAL,
+    HORIZONTAL,
 }
 
 pub struct DocGridLayout {
@@ -251,13 +266,12 @@ pub struct DocGridLayout {
     lines_cross: Vec<DocGridLineCrossType>,
 }
 
-
 impl DocGridLayout {
     fn map_line_to_char(l: &DocGridLineType) -> String {
         match l {
             DocGridLineType::HORIZONTAL => "-".to_string(),
             DocGridLineType::NONE => " ".to_string(),
-            DocGridLineType::VERTICAL => "|".to_string()
+            DocGridLineType::VERTICAL => "|".to_string(),
         }
     }
 
@@ -270,7 +284,7 @@ impl DocGridLayout {
         }
     }
 
-    fn get_vert_line (&self, r: i32, c: i32) -> &DocGridLineType {
+    fn get_vert_line(&self, r: i32, c: i32) -> &DocGridLineType {
         if r < 0 || r >= (self.grid.rows as i32) || c < 0 || c > (self.grid.cols as i32) {
             &DocGridLineType::NONE
         } else {
@@ -282,7 +296,7 @@ impl DocGridLayout {
         self.lines_vert[r as usize * (self.grid.cols + 1) + c as usize] = v;
     }
 
-    fn get_hort_line (&self, r: i32, c: i32) -> &DocGridLineType {
+    fn get_hort_line(&self, r: i32, c: i32) -> &DocGridLineType {
         if r < 0 || r > (self.grid.rows as i32) || c < 0 || c >= (self.grid.cols as i32) {
             &DocGridLineType::NONE
         } else {
@@ -294,8 +308,7 @@ impl DocGridLayout {
         self.lines_hort[r as usize * (self.grid.cols) + c as usize] = v;
     }
 
-
+    fn get_cross(&self, r: i32, c: i32) -> &DocGridLineCrossType {
-    fn get_cross (&self, r: i32, c: i32) -> &DocGridLineCrossType {
         if r < 0 || r > (self.grid.rows as i32) || c < 0 || c > (self.grid.cols as i32) {
             &DocGridLineCrossType::NONE
         } else {
@@ -303,28 +316,42 @@ impl DocGridLayout {
         }
     }
 
-    fn set_cross (&mut self, r: usize, c: usize, v: DocGridLineCrossType) {
+    fn set_cross(&mut self, r: usize, c: usize, v: DocGridLineCrossType) {
         self.lines_cross[r * (self.grid.cols + 1) + c] = v;
     }
 
-    pub fn new<FLineV, FLineH, FCross>(grid: &DocGrid, vertical_mapper: FLineV, horizontal_mapper: FLineH, cross_mapper: FCross) -> DocGridLayout 
+    pub fn new<FLineV, FLineH, FCross>(
-    where  FLineV: Fn(&DocGridCellType, &DocGridCellType) -> DocGridLineType,
+        grid: &DocGrid,
+        vertical_mapper: FLineV,
+        horizontal_mapper: FLineH,
+        cross_mapper: FCross,
+    ) -> DocGridLayout
+    where
+        FLineV: Fn(&DocGridCellType, &DocGridCellType) -> DocGridLineType,
         FLineH: Fn(&DocGridCellType, &DocGridCellType) -> DocGridLineType,
-        FCross: Fn(&DocGridLineType, &DocGridLineType, &DocGridLineType, &DocGridLineType) -> DocGridLineCrossType
+        FCross: Fn(
+            &DocGridLineType,
+            &DocGridLineType,
+            &DocGridLineType,
+            &DocGridLineType,
+        ) -> DocGridLineCrossType,
     {
         let mut lines_hort = Vec::new();
         let mut lines_vert = Vec::new();
         let mut crosses = Vec::new();
 
         lines_hort.resize(grid.cols * (1 + grid.rows), DocGridLineType::NONE);
-        lines_vert.resize((grid.cols + 1) * grid.rows , DocGridLineType::NONE );
+        lines_vert.resize((grid.cols + 1) * grid.rows, DocGridLineType::NONE);
-        crosses.resize((grid.rows + 1) * (grid.cols + 1), DocGridLineCrossType::NONE);
+        crosses.resize(
+            (grid.rows + 1) * (grid.cols + 1),
+            DocGridLineCrossType::NONE,
+        );
 
         let mut res: DocGridLayout = DocGridLayout {
             grid: grid.clone(),
             lines_cross: crosses,
             lines_hort: lines_hort,
-            lines_vert: lines_vert
+            lines_vert: lines_vert,
         };
 
         let get_cell = |r: i32, c: i32| -> &DocGridCellType {
@@ -338,8 +365,8 @@ impl DocGridLayout {
         // Calculating Lines Horizontal lines
         for row in 0..(grid.rows + 1) {
             for col in 0..grid.cols {
-                let top = get_cell(row as i32 - 1 , col as i32);
+                let top = get_cell(row as i32 - 1, col as i32);
-                let bottom = get_cell(row as i32 , col as i32);
+                let bottom = get_cell(row as i32, col as i32);
                 res.set_hort_line(row, col, horizontal_mapper(top, bottom));
             }
         }
@@ -348,14 +375,12 @@ impl DocGridLayout {
         for row in 0..grid.get_row() {
             for col in 0..(grid.cols + 1) {
                 let left = get_cell(row as i32, col as i32 - 1);
-                let right = get_cell(row as i32 , col as i32);
+                let right = get_cell(row as i32, col as i32);
                 res.set_vert_line(row, col, vertical_mapper(left, right));
             }
         }
         // Calculating Crossings
 
-
-
         for row in 0..(grid.rows + 1) {
             for col in 0..(grid.cols + 1) {
                 let north = res.get_vert_line((row as i32) - 1, col as i32);
@@ -376,30 +401,41 @@ impl DocGridLayout {
 
         for r in 0..self.grid.rows {
             for c in 0..self.grid.cols {
-                s.push_str(&format!("{}{}", 
+                s.push_str(&format!(
+                    "{}{}",
                     &Self::map_cross_to_chr(self.get_cross(r as i32, c as i32)),
                     &Self::map_line_to_char(self.get_hort_line(r as i32, c as i32))
                 ));
             }
-            s.push_str(&format!("{}\n", &Self::map_cross_to_chr(self.get_cross(r as i32, self.grid.cols as i32))));
+            s.push_str(&format!(
+                "{}\n",
+                &Self::map_cross_to_chr(self.get_cross(r as i32, self.grid.cols as i32))
+            ));
             for c in 0..self.grid.cols {
-                s.push_str(&format!("{}{}", 
+                s.push_str(&format!(
+                    "{}{}",
                     &Self::map_line_to_char(self.get_vert_line(r as i32, c as i32)),
                     &self.grid.array_cells[self.grid.cols * r + c].to_debug_string()
                 ));
             }
-            s.push_str(&format!("{}\n", 
+            s.push_str(&format!(
-                &Self::map_line_to_char(self.get_vert_line(r as i32, self.grid.cols as i32))));
+                "{}\n",
-        };
+                &Self::map_line_to_char(self.get_vert_line(r as i32, self.grid.cols as i32))
+            ));
+        }
 
         for c in 0..self.grid.cols {
-            s.push_str(&format!("{}{}", 
+            s.push_str(&format!(
+                "{}{}",
                 &Self::map_cross_to_chr(self.get_cross(self.grid.rows as i32, c as i32)),
                 &Self::map_line_to_char(self.get_hort_line(self.grid.rows as i32, c as i32))
             ));
         }
 
-        s.push_str(&format!("{}\n", &Self::map_cross_to_chr(self.get_cross(self.grid.rows as i32, self.grid.cols as i32))));
+        s.push_str(&format!(
+            "{}\n",
+            &Self::map_cross_to_chr(self.get_cross(self.grid.rows as i32, self.grid.cols as i32))
+        ));
 
         s
     }
@@ -415,61 +451,79 @@ impl DocGridLayout {
             match cell {
                 DocGridCellType::Boarder => empty_string.clone(),
                 DocGridCellType::Empty => empty_string.clone(),
-                DocGridCellType::SubMenu { text } => text.get(*sub_c).cloned().unwrap_or(empty_string.clone()),
+                DocGridCellType::SubMenu { text } => {
-                DocGridCellType::Item { text } => text.get(*sub_c).cloned().unwrap_or(empty_string.clone()),
+                    text.get(*sub_c).cloned().unwrap_or(empty_string.clone())
+                }
+                DocGridCellType::Item { text } => {
+                    text.get(*sub_c).cloned().unwrap_or(empty_string.clone())
+                }
                 DocGridCellType::ItemJoin => empty_string.clone(),
             }
         };
 
         for r in 0..self.grid.rows {
             for c in 0..self.grid.cols {
-                s.push_str(&format!("{}{}", 
+                s.push_str(&format!(
+                    "{}{}",
                     &Self::map_cross_to_chr(self.get_cross(r as i32, c as i32)),
-                    &Self::map_line_to_char(self.get_hort_line(r as i32, c as i32)).repeat(row_sizes[c] + 2)
+                    &Self::map_line_to_char(self.get_hort_line(r as i32, c as i32))
+                        .repeat(row_sizes[c] + 2)
                 ));
             }
-            s.push_str(&format!("{}\n", &Self::map_cross_to_chr(self.get_cross(r as i32, self.grid.cols as i32))));
+            s.push_str(&format!(
+                "{}\n",
+                &Self::map_cross_to_chr(self.get_cross(r as i32, self.grid.cols as i32))
+            ));
 
             for sub_c in 0..col_sizes[r] {
                 for c in 0..self.grid.cols {
-                    s.push_str(&format!("{} {} ", 
+                    s.push_str(&format!(
+                        "{} {} ",
                         &Self::map_line_to_char(self.get_vert_line(r as i32, c as i32)),
-                        &map_cell(&self.grid.array_cells[self.grid.cols * r + c], &sub_c).pad_to_width(row_sizes[c])
+                        &map_cell(&self.grid.array_cells[self.grid.cols * r + c], &sub_c)
+                            .pad_to_width(row_sizes[c])
+                    ));
+                }
+                s.push_str(&format!(
+                    "{}\n",
+                    &Self::map_line_to_char(self.get_vert_line(r as i32, self.grid.cols as i32))
                 ));
             }
-                s.push_str(&format!("{}\n", 
-                    &Self::map_line_to_char(self.get_vert_line(r as i32, self.grid.cols as i32))));
         }
-        };
 
         for c in 0..self.grid.cols {
-            s.push_str(&format!("{}{}", 
+            s.push_str(&format!(
+                "{}{}",
                 &Self::map_cross_to_chr(self.get_cross(self.grid.rows as i32, c as i32)),
-                &Self::map_line_to_char(self.get_hort_line(self.grid.rows as i32, c as i32)).repeat(row_sizes[c] + 2)
+                &Self::map_line_to_char(self.get_hort_line(self.grid.rows as i32, c as i32))
+                    .repeat(row_sizes[c] + 2)
             ));
         }
 
-        s.push_str(&format!("{}\n", &Self::map_cross_to_chr(self.get_cross(self.grid.rows as i32, self.grid.cols as i32))));
+        s.push_str(&format!(
+            "{}\n",
+            &Self::map_cross_to_chr(self.get_cross(self.grid.rows as i32, self.grid.cols as i32))
+        ));
 
         s
     }
 }
 
 mod doc_grid_layout_mappers {
-    use super::{DocGridLineType, DocGridLineCrossType, DocGridCellType};
+    use super::{DocGridCellType, DocGridLineCrossType, DocGridLineType};
 
     pub fn vert_line_ascii(left: &DocGridCellType, right: &DocGridCellType) -> DocGridLineType {
-        use DocGridCellType::{ItemJoin, Item};
+        use DocGridCellType::{Item, ItemJoin};
         match (left, right) {
             (ItemJoin, Item { .. }) => DocGridLineType::NONE,
             (Item { .. }, ItemJoin) => DocGridLineType::NONE,
 
-            (_, _) => DocGridLineType::VERTICAL
+            (_, _) => DocGridLineType::VERTICAL,
         }
     }
 
     pub fn hort_line_ascii(top: &DocGridCellType, bottom: &DocGridCellType) -> DocGridLineType {
-        use DocGridCellType::{Boarder, Empty, ItemJoin, Item, SubMenu};
+        use DocGridCellType::{Boarder, Empty, Item, ItemJoin, SubMenu};
         match (top, bottom) {
             (Empty, Empty) => DocGridLineType::NONE,
 
@@ -479,7 +533,6 @@ mod doc_grid_layout_mappers {
             (SubMenu { .. }, SubMenu { .. }) => DocGridLineType::HORIZONTAL,
 
             // Horizontal Rules
-
             (Boarder, _) => DocGridLineType::HORIZONTAL,
             (_, Boarder) => DocGridLineType::HORIZONTAL,
 
@@ -491,8 +544,13 @@ mod doc_grid_layout_mappers {
         }
     }
 
-    pub fn cross_ascii(n: &DocGridLineType, e: &DocGridLineType, s: &DocGridLineType, w: &DocGridLineType) ->  DocGridLineCrossType{
+    pub fn cross_ascii(
-        use DocGridLineType::{NONE, HORIZONTAL, VERTICAL};
+        n: &DocGridLineType,
+        e: &DocGridLineType,
+        s: &DocGridLineType,
+        w: &DocGridLineType,
+    ) -> DocGridLineCrossType {
+        use DocGridLineType::{HORIZONTAL, NONE, VERTICAL};
         match (n, e, s, w) {
             (VERTICAL, NONE, VERTICAL, NONE) => DocGridLineCrossType::VERTICAL,
             (NONE, HORIZONTAL, NONE, HORIZONTAL) => DocGridLineCrossType::HORIZONTAL,
@@ -502,20 +560,22 @@ mod doc_grid_layout_mappers {
 }
 
 pub fn create_ascii_debug_string(grid: &DocGrid) -> String {
-    let layout = DocGridLayout::new(grid,
+    let layout = DocGridLayout::new(
+        grid,
         doc_grid_layout_mappers::vert_line_ascii,
         doc_grid_layout_mappers::hort_line_ascii,
-        doc_grid_layout_mappers::cross_ascii
+        doc_grid_layout_mappers::cross_ascii,
     );
 
     return layout.to_debug_string();
 }
 
 pub fn create_ascii_doc_string(grid: &DocGrid) -> String {
-    let layout = DocGridLayout::new(grid,
+    let layout = DocGridLayout::new(
+        grid,
         doc_grid_layout_mappers::vert_line_ascii,
         doc_grid_layout_mappers::hort_line_ascii,
-        doc_grid_layout_mappers::cross_ascii
+        doc_grid_layout_mappers::cross_ascii,
     );
 
     return layout.to_ascii_doc_string();
@@ -523,20 +583,28 @@ pub fn create_ascii_doc_string(grid: &DocGrid) -> String {
 
 #[cfg(test)]
 mod tests {
-    use crate::configotron::{conf::{UserConfigData, UserConfigItem}};
     use super::{DocGrid, DocGridCellType, ResultingGridCell};
+    use crate::configotron::conf::{UserConfigData, UserConfigItem};
 
     // Helper functino for creating elements for testing
     fn create_item() -> UserConfigItem {
-        UserConfigItem::Boolean { name: "Test".to_string() }
+        UserConfigItem::Boolean {
+            name: "Test".to_string(),
+        }
     }
 
     fn create_submenu(v: Vec<UserConfigItem>) -> UserConfigItem {
-        UserConfigItem::Submenu(UserConfigData { name: "SubMenu".to_string(), config_items: v })
+        UserConfigItem::Submenu(UserConfigData {
+            name: "SubMenu".to_string(),
+            config_items: v,
+        })
     }
 
     fn create_menu(v: Vec<UserConfigItem>) -> UserConfigData {
-        UserConfigData { name: "TestMenu".to_string(), config_items: v }
+        UserConfigData {
+            name: "TestMenu".to_string(),
+            config_items: v,
+        }
     }
 
     // Actuall Test
@@ -544,23 +612,34 @@ mod tests {
     fn grid_extend() {
         let mut grid = DocGrid::new();
 
-        grid.set_title(DocGridCellType::SubMenu { text: vec!["name".to_string()] });
+        grid.set_title(DocGridCellType::SubMenu {
-        grid.append_item(ResultingGridCell::Cell(DocGridCellType::Item { text: vec!["name".to_string()] }));
+            text: vec!["name".to_string()],
+        });
+        grid.append_item(ResultingGridCell::Cell(DocGridCellType::Item {
+            text: vec!["name".to_string()],
+        }));
         grid.append_item(ResultingGridCell::Cell(DocGridCellType::ItemJoin));
-        grid.append_item(ResultingGridCell::Cell(DocGridCellType::Item { text: vec!["name".to_string()] }));
+        grid.append_item(ResultingGridCell::Cell(DocGridCellType::Item {
-        grid.append_item(ResultingGridCell::Cell(DocGridCellType::Item { text: vec!["name".to_string()] }));
+            text: vec!["name".to_string()],
+        }));
+        grid.append_item(ResultingGridCell::Cell(DocGridCellType::Item {
+            text: vec!["name".to_string()],
+        }));
         grid.append_item(ResultingGridCell::Cell(DocGridCellType::ItemJoin));
-        grid.append_item(ResultingGridCell::Cell(DocGridCellType::SubMenu { text: vec!["name".to_string()] }));
+        grid.append_item(ResultingGridCell::Cell(DocGridCellType::SubMenu {
+            text: vec!["name".to_string()],
+        }));
 
-        assert_eq!(grid.to_debug_string(), r#"| S I |
+        assert_eq!(
+            grid.to_debug_string(),
+            r#"| S I |
 | E i |
 | E I |
 | E I |
 | E i |
 | E S |
-"#);
+"#
-        
+        );
-        
     }
 
     #[test]
@@ -568,19 +647,17 @@ mod tests {
         let data = create_menu(vec![
             create_item(),
             create_item(),
-            create_submenu(vec![
+            create_submenu(vec![create_item(), create_item(), create_item()]),
             create_item(),
             create_item(),
             create_item(),
-            ]),
-            create_item(),
-            create_item(),
-            create_item()
         ]);
 
         let grid = DocGrid::from(&data);
 
-        assert_eq!(grid.to_debug_string(), r#"| S I i |
+        assert_eq!(
+            grid.to_debug_string(),
+            r#"| S I i |
 | E I i |
 | E S I |
 | E E I |
@@ -588,25 +665,23 @@ mod tests {
 | E I i |
 | E I i |
 | E I i |
-"#);
+"#
+        );
     }
 
     #[test]
     fn grid_deep_assembly_from_data() {
-        let data = create_menu(vec![
+        let data = create_menu(vec![create_submenu(vec![create_submenu(vec![
-            create_submenu(vec![
+            create_submenu(vec![create_item()]),
-                create_submenu(vec![
+        ])])]);
-                    create_submenu(vec![
-                        create_item()
-                    ]),
-                ]),
-            ]),
-        ]);
 
         let grid = DocGrid::from(&data);
 
-        assert_eq!(grid.to_debug_string(), r#"| S S S S I |
+        assert_eq!(
-"#);    
+            grid.to_debug_string(),
+            r#"| S S S S I |
+"#
+        );
     }
 
     #[test]
@@ -620,17 +695,11 @@ mod tests {
                 create_submenu(vec![
                     create_item(),
                     create_item(),
-                create_submenu(vec![
+                    create_submenu(vec![create_item(), create_item()]),
-                create_item(),
                     create_item(),
                 ]),
                 create_item(),
-            ]),
+                create_submenu(vec![create_item(), create_item()]),
-            create_item(),
-            create_submenu(vec![
-                create_item(),
-                create_item(),
-            ]),
                 create_item(),
                 create_item(),
             ]),
@@ -642,7 +711,9 @@ mod tests {
 
         println!("{}", grid.to_debug_string());
 
-        assert_eq!(grid.to_debug_string(), r#"| S I i i i |
+        assert_eq!(
+            grid.to_debug_string(),
+            r#"| S I i i i |
 | E I i i i |
 | E S I i i |
 | E E I i i |
@@ -658,26 +729,25 @@ mod tests {
 | E E I i i |
 | E I i i i |
 | E I i i i |
-"#);
+"#
+        );
     }
 
     mod ascii_docs {
-        use crate::configotron::{conf::{UserConfigData, UserConfigItem}, doc::grid::create_ascii_debug_string, doc::grid::create_ascii_doc_string};
+        use super::{create_item, create_menu, create_submenu, DocGrid};
-        use super::{DocGrid, create_item, create_menu, create_submenu};
+        use crate::configotron::{
+            doc::grid::create_ascii_debug_string, doc::grid::create_ascii_doc_string,
+        };
 
         #[test]
         fn ascii_docs_debug() {
             let data = create_menu(vec![
                 create_item(),
                 create_item(),
-                create_submenu(vec![
+                create_submenu(vec![create_item(), create_item(), create_item()]),
                 create_item(),
                 create_item(),
                 create_item(),
-                ]),
-                create_item(),
-                create_item(),
-                create_item()
             ]);
 
             let grid = DocGrid::from(&data);
@@ -688,7 +758,9 @@ mod tests {
 
             println!("{}", s);
 
-            assert_eq!(s, r#"+-+---+
+            assert_eq!(
+                s,
+                r#"+-+---+
 |S|I i|
 | +---+
 |E|I i|
@@ -705,7 +777,8 @@ mod tests {
 | +---+
 |E|I i|
 +-+---+
-"#);
+"#
+            );
         }
 
         #[test]
@@ -713,14 +786,10 @@ mod tests {
             let data = create_menu(vec![
                 create_item(),
                 create_item(),
-                create_submenu(vec![
+                create_submenu(vec![create_item(), create_item(), create_item()]),
                 create_item(),
                 create_item(),
                 create_item(),
-                ]),
-                create_item(),
-                create_item(),
-                create_item()
             ]);
 
             let grid = DocGrid::from(&data);
@@ -731,25 +800,35 @@ mod tests {
 
             println!("{}", s);
 
-            assert_eq!(s, r#"+----------+----------------+
+            assert_eq!(
+                s,
+                r#"+----------+---------------------+
 | TestMenu | Test                |
-|          +----------------+
+|          | [Yes/No]            |
+|          +---------------------+
 |          | Test                |
-|          +---------+------+
+|          | [Yes/No]            |
+|          +----------+----------+
 |          | SubMenu  | Test     |
-|          |         +------+
+|          |          | [Yes/No] |
+|          |          +----------+
 |          |          | Test     |
-|          |         +------+
+|          |          | [Yes/No] |
+|          |          +----------+
 |          |          | Test     |
-|          +---------+------+
+|          |          | [Yes/No] |
+|          +----------+----------+
 |          | Test                |
-|          +----------------+
+|          | [Yes/No]            |
+|          +---------------------+
 |          | Test                |
-|          +----------------+
+|          | [Yes/No]            |
+|          +---------------------+
 |          | Test                |
-+----------+----------------+
+|          | [Yes/No]            |
-"#);
++----------+---------------------+
+"#
+            );
         }
-
     }
 }

src/configotron/fsm.rs

@@ -1,88 +1,240 @@
-use std::{cell::RefCell, rc::{Weak, Rc}};
+use graphviz_rust::{
+    dot_structures::{Attribute, Edge, EdgeTy, Graph, Id, NodeId, Stmt, Vertex},
+    exec,
+    printer::PrinterContext,
+};
+use std::{cell::RefCell, rc::Rc};
 
+#[derive(Debug, Clone)]
 pub struct FSM {
-    states: Vec<Rc<RefCell<FSMState>>>
+    name: String,
+    states: Vec<Rc<RefCell<FSMState>>>,
 }
 
 impl FSM {
-    pub fn new(state: Vec<Rc<RefCell<FSMState>>>) -> Self {
+    pub fn new(state: Vec<Rc<RefCell<FSMState>>>, name: &str) -> Self {
-        FSM {states: state}
+        FSM {
+            states: state,
+            name: name.to_string(),
+        }
+    }
+
+    fn render_stmts(&self) -> Vec<Stmt> {
+        let mut stmts: Vec<Stmt> = vec![Stmt::Attribute(Attribute(
+            Id::Plain("rankdir".to_string()),
+            Id::Plain("LR".to_string()),
+        ))];
+        for s in &self.states {
+            let s_borrowed = s.borrow();
+
+            stmts.push(Stmt::Node(graphviz_rust::dot_structures::Node {
+                id: NodeId(Id::Plain(s_borrowed.to_graph_label()), None),
+                attributes: {
+                    let mut res = vec![Attribute(
+                        Id::Plain("label".to_string()),
+                        Id::Plain(s_borrowed.to_graph_label()),
+                    )];
+                    match s_borrowed.action {
+                        FSMStateAction::NONE => {
+                            res.push(Attribute(
+                                Id::Plain("shape".to_string()),
+                                Id::Plain("circle".to_string()),
+                            ));
+                        }
+                        FSMStateAction::TERMINAL => {
+                            res.push(Attribute(
+                                Id::Plain("shape".to_string()),
+                                Id::Plain("doublecircle".to_string()),
+                            ));
+                        }
+                    }
+                    res
+                },
+            }));
+
+            match &s_borrowed.transition {
+                None => {}
+                Some(t) => {
+                    for (t, range) in t.to_targets_vec() {
+                        match t.upgrade() {
+                            None => {}
+                            Some(target) => {
+                                stmts.push(Stmt::Edge(Edge {
+                                    ty: EdgeTy::Pair(
+                                        Vertex::N(NodeId(
+                                            Id::Plain(s_borrowed.to_graph_label()),
+                                            None,
+                                        )),
+                                        Vertex::N(NodeId(
+                                            Id::Plain(target.borrow().to_graph_label()),
+                                            None,
+                                        )),
+                                    ),
+                                    attributes: vec![Attribute(
+                                        Id::Plain("label".to_string()),
+                                        Id::Plain(format!("\"{}\"", range.to_string())),
+                                    )],
+                                }));
+                            }
+                        }
+                    }
+                }
+            }
+        }
+
+        stmts
+    }
+
+    fn render_graph(&self, format: graphviz_rust::cmd::Format) -> Result<Vec<u8>, std::io::Error> {
+        let g = Graph::DiGraph {
+            id: Id::Plain("root".to_string()),
+            strict: false,
+            stmts: self.render_stmts(),
+        };
+
+        let mut ctx: graphviz_rust::printer::PrinterContext = PrinterContext::default();
+
+        println!("{}", graphviz_rust::print(g.clone(), &mut ctx));
+
+        let data = exec(g, &mut ctx, vec![format.into()])?;
+
+        Ok(data)
     }
 }
 
 #[derive(Debug, Clone, Copy)]
 pub enum FSMStateAction {
-    NONE, TERMINAL
+    NONE,
+    TERMINAL,
 }
 
 #[derive(Debug, Clone)]
 pub struct FSMState {
     name: String,
     action: FSMStateAction,
-    transition: Option<FSMTranistion>
+    transition: Option<tranisitions::FSMTranistion>,
 }
 
-#[derive(Debug, Clone)]
-pub struct FSMTranistion {
-    array: [Weak<RefCell<FSMState>>; 128],
-}
-
-
 impl FSMState {
     pub fn new(name: String, action: FSMStateAction) -> Self {
-        FSMState { name: name, action: action, transition: None }
+        FSMState {
+            name: name,
+            action: action,
+            transition: None,
+        }
     }
 
-    pub fn set_transitions(&mut self, t: FSMTranistion) {
+    pub fn set_transitions(&mut self, t: tranisitions::FSMTranistion) {
         self.transition = Some(t);
     }
+
+    pub fn to_graph_label(&self) -> String {
+        return format!("\"{}\"", self.name);
+    }
+
+    pub fn to_graph_hash(&self) -> String {
+        self.to_graph_label()
+    }
 }
 
-impl FSMTranistion {
+mod tranisitions {
+    use super::transition_masking::TransitionMask;
+    use super::FSMState;
+    use std::collections::HashMap;
+    use std::rc::Rc;
+    use std::{cell::RefCell, rc::Weak};
 
-    pub fn new_from_mask(mask: TransitionMask, pos: Weak<RefCell<FSMState>>, default: Weak<RefCell<FSMState>>) -> Self {
+    type StateRef = Weak<RefCell<FSMState>>;
-        let mut array: [Weak<RefCell<FSMState>>; 128] = std::array::from_fn(|_| Weak::clone(&default));
+
+    #[derive(Debug, Clone)]
+    pub struct FSMTranistion {
+        array: [StateRef; 128],
+    }
+
+    impl FSMTranistion {
+        pub fn new_from_mask(mask: TransitionMask, pos: StateRef, default: StateRef) -> Self {
+            let mut array: [StateRef; 128] = std::array::from_fn(|_| Weak::clone(&default));
             for i in 0..128 {
                 if mask.get_bit(i) {
-                array[i] = Weak::clone(&pos );
+                    array[i] = Weak::clone(&pos);
                 }
             }
 
             FSMTranistion { array }
         }
 
-    pub fn new(mask: TransitionMask, default: Weak<RefCell<FSMState>>) -> Self {
+        pub fn new(default: StateRef) -> Self {
-        let mut array: [Weak<RefCell<FSMState>>; 128] = std::array::from_fn(|_| Weak::clone(&default));
+            let array: [StateRef; 128] = std::array::from_fn(|_| Weak::clone(&default));
+
             FSMTranistion { array }
         }
 
-    pub fn apply(&mut self, mask: TransitionMask, state: Weak<RefCell<FSMState>>) {
+        pub fn apply(&mut self, mask: TransitionMask, state: StateRef) {
-
             for i in 0..128 {
                 if mask.get_bit(i) {
-                self.array[i] = Weak::clone(&state );
+                    self.array[i] = Weak::clone(&state);
                 }
             }
         }
+
+        pub fn to_targets_vec(&self) -> Vec<(StateRef, TransitionMask)> {
+            let mut target_maps: HashMap<String, (StateRef, TransitionMask)> = HashMap::new();
+
+            self.array.iter().enumerate().for_each(|(index, target)| {
+                match target.upgrade() {
+                    None => {}
+                    Some(t) => {
+                        let s_borrowd = t.borrow();
+                        let key = s_borrowd.to_graph_label();
+                        match target_maps.get_mut(&key) {
+                            Some((_, mask)) => {
+                                mask.set_bit(index);
+                            }
+                            None => {
+                                let mut mask = TransitionMask::new();
+                                mask.set_bit(index);
+                                target_maps.insert(key, (Rc::downgrade(&t), mask));
+                            }
+                        };
+                    }
+                };
+            });
+
+            let mut res: Vec<(StateRef, TransitionMask)> = Vec::new();
+
+            target_maps
+                .iter()
+                .for_each(|(_, (target, mask))| match target.upgrade() {
+                    Some(t) => {
+                        res.push((Rc::downgrade(&t), mask.clone()));
+                    }
+                    None => {}
+                });
+            res
+        }
+    }
 }
 
-use transition_masking::{TransitionMask};
-
 mod transition_masking {
-    use std::ops::RangeInclusive;
+    use itertools::Itertools;
+    use std::{ops::RangeInclusive, usize};
 
     pub enum MaskPresets {
         Char(char),
-        AnyCase, LowerCase, UpperCase, 
+        AnyCase,
+        LowerCase,
+        UpperCase,
         AllHumanReadable,
-        Numbers, SpecialChars, 
+        Numbers,
-        WhiteSpace, LineTermination,
+        SpecialChars,
-        NoChar
+        WhiteSpace,
+        LineTermination,
+        NoChar,
     }
 
-
+    #[derive(Debug, Clone)]
     pub struct TransitionMask {
-        mask: u128
+        mask: u128,
     }
 
     impl From<MaskPresets> for TransitionMask {
@@ -90,7 +242,7 @@ mod transition_masking {
             let mut n: u128 = 0;
 
             let mut set_range = |r: RangeInclusive<i32>| {
-                r.for_each(|i| { n |= 1 << i });
+                r.for_each(|i| n |= 1 << i);
             };
 
             match value {
@@ -98,31 +250,30 @@ mod transition_masking {
                 MaskPresets::AnyCase => {
                     set_range(0x41..=0x5a); // UpperCase
                     set_range(0x61..=0x7a); // LowerCase
-                            },
+                }
                 MaskPresets::LowerCase => {
                     set_range(0x61..=0x7a); // LowerCase
-                            },
+                }
                 MaskPresets::UpperCase => {
                     set_range(0x41..=0x5a); // UpperCase
-                            },
+                }
                 MaskPresets::AllHumanReadable => {
                     set_range(0x20..=0x7e); // All Ascii Chars + Space + Tab
                     n |= 1 << 0x9; // Tab
-                            },
+                }
                 MaskPresets::Numbers => {
                     set_range(0x30..=0x39); // Numbers
-                            },
+                }
                 MaskPresets::SpecialChars => {
                     set_range(0x21..=0x2F); // ! to /
                     set_range(0x3A..=0x40); // : to @
                     set_range(0x5B..=0x0D); // [ to `
                     set_range(0x7B..=0x7E); // { to ~
-                            },
+                }
                 MaskPresets::WhiteSpace => {
                     n |= 1 << 0x9; // Tab
                     n |= 1 << 0x20; // Spaces
-
+                }
-                            },
                 MaskPresets::LineTermination => {
                     n |= 1 << 0x0a; // Line Feed
                     n |= 1 << 0x0d; // Carriage Return
@@ -131,7 +282,7 @@ mod transition_masking {
                     if c.is_ascii() {
                         n |= 1 << (c as u32)
                     }
-                },
+                }
             }
 
             TransitionMask { mask: n }
@@ -144,11 +295,15 @@ mod transition_masking {
         }
 
         pub fn or(&self, other: Self) -> TransitionMask {
-            TransitionMask { mask: other.mask | self.mask }
+            TransitionMask {
+                mask: other.mask | self.mask,
+            }
         }
 
         pub fn and(&self, other: Self) -> TransitionMask {
-            TransitionMask { mask: other.mask & self.mask }
+            TransitionMask {
+                mask: other.mask & self.mask,
+            }
         }
 
         pub fn inv(&self) -> TransitionMask {
@@ -158,42 +313,190 @@ mod transition_masking {
         pub fn get_bit(&self, i: usize) -> bool {
             (self.mask & (1 << i)) > 0
         }
+
+        pub fn set_bit(&mut self, i: usize) {
+            self.mask |= 1 << i;
+        }
+
+        pub fn to_string(&self) -> String {
+            let mut res: Vec<String> = Vec::new();
+            let mut strike: Option<usize> = None;
+
+            fn num_to_str(i: usize) -> String {
+                if (0x21..=0x7E).contains(&i) {
+                    format!("'{}'", ((i as u8) as char).to_string())
+                } else {
+                    match i {
+                        0x20 => "SP".to_string(),
+                        0x0D => "LF".to_string(),
+                        0x0A => "CR".to_string(),
+                        0x09 => "TAB".to_string(),
+                        _ => format!("{:02x}", i),
+                    }
+                }
+            }
+
+            for (p, n) in (0..128).tuple_windows() {
+                match (strike, self.get_bit(p), self.get_bit(n)) {
+                    (None, true, true) => {
+                        // First two
+                        strike = Some(p);
+                    }
+                    (None, true, false) => {
+                        // First, only one
+                        res.push(num_to_str(p));
+                    }
+                    (None, false, true) => {
+                        // Strik Start
+                        strike = Some(n)
+                    }
+                    (None, false, false) => {
+                        // No Strike
+                    }
+                    (Some(_), true, true) => {
+                        // Stike ongoing
+                    }
+                    (Some(s), true, false) => {
+                        // Strik end
+                        if s == p {
+                            // Single Number
+                            res.push(num_to_str(p));
+                        } else {
+                            // Range
+                            res.push(format!("{}-{}", num_to_str(s), num_to_str(p)));
+                        }
+
+                        strike = None;
+                    }
+                    (Some(_), false, true) => {
+                        // This should no happend
+                        strike = Some(n);
+                    }
+                    (Some(_), false, false) => {
+                        // Should also no happend
+                        strike = None;
+                    }
+                }
+            }
+
+            match strike {
+                None => (),
+                Some(s) => {
+                    if s == 127 {
+                        res.push(num_to_str(s));
+                    } else {
+                        res.push(format!("{}-{}", num_to_str(s), num_to_str(127)));
+                    }
+                }
+            };
+
+            res.join(",")
+        }
     }
 }
 
 #[cfg(test)]
 mod test {
-    use super::{transition_masking::*, *};
+    use graphviz_rust::cmd::Format;
+    use std::io::Write;
+
+    use super::{tranisitions::*, transition_masking::*, *};
 
     #[test]
-    fn simple_fsm_building() {
+    fn transition_mask_to_string() {
-        let z0 = Rc::new(RefCell::new(FSMState::new("z0".to_string(), FSMStateAction::NONE)));
+        let mut mask1 = TransitionMask::new();
-        let z1 = Rc::new(RefCell::new(FSMState::new("z1".to_string(), FSMStateAction::NONE)));
+
-        let z2 = Rc::new(RefCell::new(FSMState::new("z2".to_string(), FSMStateAction::TERMINAL)));
+        mask1.set_bit(0);
-        let z3 = Rc::new(RefCell::new(FSMState::new("z3".to_string(), FSMStateAction::NONE)));
+
+        (10..=16).for_each(|i| {
+            mask1.set_bit(i);
+        });
+
+        (50..=51).for_each(|i| {
+            mask1.set_bit(i);
+        });
+
+        mask1.set_bit(60);
+        mask1.set_bit(62);
+        mask1.set_bit(64);
+
+        (70..=73).for_each(|i| {
+            mask1.set_bit(i);
+        });
+
+        (126..=127).for_each(|i| {
+            mask1.set_bit(i);
+        });
+
+        println!("{}", mask1.to_string());
+
+        assert_eq!(
+            mask1.to_string(),
+            "00,CR-10,'2'-'3','<','>','@','F'-'I','~'-7f"
+        );
+    }
+
+    #[test]
+    fn simple_fsm_render() {
+        let z0 = Rc::new(RefCell::new(FSMState::new(
+            "z0".to_string(),
+            FSMStateAction::NONE,
+        )));
+        let z1 = Rc::new(RefCell::new(FSMState::new(
+            "z1".to_string(),
+            FSMStateAction::NONE,
+        )));
+        let z2 = Rc::new(RefCell::new(FSMState::new(
+            "z2".to_string(),
+            FSMStateAction::TERMINAL,
+        )));
+        let z3 = Rc::new(RefCell::new(FSMState::new(
+            "z3".to_string(),
+            FSMStateAction::NONE,
+        )));
 
         let mut z0_transisions = FSMTranistion::new_from_mask(
-            TransitionMask::from(MaskPresets::Char('a')), Rc::downgrade(&z1), Rc::downgrade(&z3));
+            TransitionMask::from(MaskPresets::Char('a')),
-        z0_transisions.apply(TransitionMask::from(MaskPresets::Char('b')), Rc::downgrade(&z2));
+            Rc::downgrade(&z1),
+            Rc::downgrade(&z3),
+        );
+        z0_transisions.apply(
+            TransitionMask::from(MaskPresets::Char('b')),
+            Rc::downgrade(&z2),
+        );
 
         let mut z1_transisions = FSMTranistion::new_from_mask(
-            TransitionMask::from(MaskPresets::Char('a')), Rc::downgrade(&z1), Rc::downgrade(&z3));
+            TransitionMask::from(MaskPresets::Char('a')),
-        z1_transisions.apply(TransitionMask::from(MaskPresets::Char('b')), Rc::downgrade(&z2));
+            Rc::downgrade(&z1),
+            Rc::downgrade(&z3),
+        );
+        z1_transisions.apply(
+            TransitionMask::from(MaskPresets::Char('b')),
+            Rc::downgrade(&z2),
+        );
 
         let z2_transisions = FSMTranistion::new_from_mask(
-            TransitionMask::from(MaskPresets::Char('a')), Rc::downgrade(&z2), Rc::downgrade(&z3));
+            TransitionMask::from(MaskPresets::Char('a')),
+            Rc::downgrade(&z2),
+            Rc::downgrade(&z3),
+        );
 
-        let z3_transisions = FSMTranistion::new(
+        let z3_transisions = FSMTranistion::new(Rc::downgrade(&z3));
-            TransitionMask::from(MaskPresets::Char('a')), Rc::downgrade(&z3));
 
         z0.borrow_mut().set_transitions(z0_transisions);
         z1.borrow_mut().set_transitions(z1_transisions);
         z2.borrow_mut().set_transitions(z2_transisions);
         z3.borrow_mut().set_transitions(z3_transisions);
 
+        let fsm = FSM::new(vec![z0, z1, z2, z3], "Test FSM #1");
 
-        let fsm = FSM::new(vec![z0, z1, z2, z3]);
+        let data = fsm.render_graph(Format::Svg).unwrap();
 
+        let mut output_file = std::fs::File::create("/tmp/debug-simle_fsm_building.svg").unwrap();
+        output_file.write_all(&data).unwrap();
+
+
+        let svg_content = std::fs::read_to_string("/tmp/debug-simle_fsm_building.svg").unwrap();
+        assert_eq!(svg_content, String::from_utf8(data).unwrap());
     }
-
 }

src/main.rs

@@ -1,10 +1,10 @@
+#[allow(dead_code)]
 mod configotron;
 
-use configotron::conf::{read_and_parse_yaml_file};
+use configotron::conf::read_and_parse_yaml_file;
-use configotron::doc::grid::{DocGrid, create_ascii_doc_string};
+use configotron::doc::grid::{create_ascii_doc_string, DocGrid};
 
 fn main() {
-
     let data = match read_and_parse_yaml_file("example.yml") {
         Ok(d) => d,
         Err(error) => {

tests/debug-simle_fsm_building.svg

@@ -0,0 +1,101 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN"
+ "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
+<!-- Generated by graphviz version 2.43.0 (0)
+ -->
+<!-- Title: root Pages: 1 -->
+<svg width="490pt" height="162pt"
+ viewBox="0.00 0.00 489.69 162.07" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<g id="graph0" class="graph" transform="scale(1 1) rotate(0) translate(4 158.07)">
+<title>root</title>
+<polygon fill="white" stroke="transparent" points="-4,4 -4,-158.07 485.69,-158.07 485.69,4 -4,4"/>
+<!-- z0 -->
+<g id="node1" class="node">
+<title>z0</title>
+<ellipse fill="none" stroke="black" cx="21.45" cy="-39.63" rx="21.4" ry="21.4"/>
+<text text-anchor="middle" x="21.45" y="-35.93" font-family="Times,serif" font-size="14.00">z0</text>
+</g>
+<!-- z2 -->
+<g id="node2" class="node">
+<title>z2</title>
+<ellipse fill="none" stroke="black" cx="287.79" cy="-95.63" rx="21.4" ry="21.4"/>
+<ellipse fill="none" stroke="black" cx="287.79" cy="-95.63" rx="25.4" ry="25.4"/>
+<text text-anchor="middle" x="287.79" y="-91.93" font-family="Times,serif" font-size="14.00">z2</text>
+</g>
+<!-- z0&#45;&gt;z2 -->
+<g id="edge1" class="edge">
+<title>z0&#45;&gt;z2</title>
+<path fill="none" stroke="black" d="M35.33,-56.2C48.41,-71.57 70.23,-93.4 94.9,-102.63 147.49,-122.3 213.96,-113.05 253.27,-104.43"/>
+<polygon fill="black" stroke="black" points="254.17,-107.81 263.12,-102.15 252.59,-100.99 254.17,-107.81"/>
+<text text-anchor="middle" x="116.34" y="-115.43" font-family="Times,serif" font-size="14.00">&#39;b&#39;</text>
+</g>
+<!-- z1 -->
+<g id="node3" class="node">
+<title>z1</title>
+<ellipse fill="none" stroke="black" cx="116.34" cy="-39.63" rx="21.4" ry="21.4"/>
+<text text-anchor="middle" x="116.34" y="-35.93" font-family="Times,serif" font-size="14.00">z1</text>
+</g>
+<!-- z0&#45;&gt;z1 -->
+<g id="edge2" class="edge">
+<title>z0&#45;&gt;z1</title>
+<path fill="none" stroke="black" d="M43.06,-39.63C55.21,-39.63 70.82,-39.63 84.41,-39.63"/>
+<polygon fill="black" stroke="black" points="84.79,-43.13 94.79,-39.63 84.79,-36.13 84.79,-43.13"/>
+<text text-anchor="middle" x="68.9" y="-43.43" font-family="Times,serif" font-size="14.00">&#39;a&#39;</text>
+</g>
+<!-- z3 -->
+<g id="node4" class="node">
+<title>z3</title>
+<ellipse fill="none" stroke="black" cx="460.24" cy="-37.63" rx="21.4" ry="21.4"/>
+<text text-anchor="middle" x="460.24" y="-33.93" font-family="Times,serif" font-size="14.00">z3</text>
+</g>
+<!-- z0&#45;&gt;z3 -->
+<g id="edge3" class="edge">
+<title>z0&#45;&gt;z3</title>
+<path fill="none" stroke="black" d="M40.58,-29.77C54.86,-22.59 75.54,-13.48 94.9,-9.63 217.24,14.7 366.58,-14.86 429.28,-29.88"/>
+<polygon fill="black" stroke="black" points="428.72,-33.35 439.27,-32.33 430.39,-26.55 428.72,-33.35"/>
+<text text-anchor="middle" x="193.79" y="-5.43" font-family="Times,serif" font-size="14.00">00&#45;&#39;`&#39;,&#39;c&#39;&#45;7f</text>
+</g>
+<!-- z2&#45;&gt;z2 -->
+<g id="edge8" class="edge">
+<title>z2&#45;&gt;z2</title>
+<path fill="none" stroke="black" d="M271.62,-115.74C268.03,-127.76 273.42,-139.07 287.79,-139.07 298.01,-139.07 303.69,-133.36 304.83,-125.73"/>
+<polygon fill="black" stroke="black" points="308.31,-125.4 303.96,-115.74 301.34,-126 308.31,-125.4"/>
+<text text-anchor="middle" x="287.79" y="-142.87" font-family="Times,serif" font-size="14.00">&#39;a&#39;</text>
+</g>
+<!-- z2&#45;&gt;z3 -->
+<g id="edge7" class="edge">
+<title>z2&#45;&gt;z3</title>
+<path fill="none" stroke="black" d="M312.23,-88.03C338.67,-79.41 382.93,-64.83 420.79,-51.63 423.88,-50.55 427.1,-49.41 430.3,-48.26"/>
+<polygon fill="black" stroke="black" points="431.51,-51.55 439.72,-44.85 429.12,-44.96 431.51,-51.55"/>
+<text text-anchor="middle" x="382.29" y="-80.43" font-family="Times,serif" font-size="14.00">00&#45;&#39;`&#39;,&#39;b&#39;&#45;7f</text>
+</g>
+<!-- z1&#45;&gt;z2 -->
+<g id="edge5" class="edge">
+<title>z1&#45;&gt;z2</title>
+<path fill="none" stroke="black" d="M137.11,-46.16C165.72,-55.61 219.01,-73.23 253.68,-84.68"/>
+<polygon fill="black" stroke="black" points="252.77,-88.07 263.36,-87.88 254.96,-81.42 252.77,-88.07"/>
+<text text-anchor="middle" x="193.79" y="-79.43" font-family="Times,serif" font-size="14.00">&#39;b&#39;</text>
+</g>
+<!-- z1&#45;&gt;z1 -->
+<g id="edge4" class="edge">
+<title>z1&#45;&gt;z1</title>
+<path fill="none" stroke="black" d="M108.02,-59.52C106.74,-69.8 109.52,-79.07 116.34,-79.07 120.72,-79.07 123.43,-75.27 124.48,-69.83"/>
+<polygon fill="black" stroke="black" points="127.98,-69.58 124.67,-59.52 120.98,-69.45 127.98,-69.58"/>
+<text text-anchor="middle" x="116.34" y="-82.87" font-family="Times,serif" font-size="14.00">&#39;a&#39;</text>
+</g>
+<!-- z1&#45;&gt;z3 -->
+<g id="edge6" class="edge">
+<title>z1&#45;&gt;z3</title>
+<path fill="none" stroke="black" d="M137.96,-39.51C195.79,-39.17 359.79,-38.21 428.43,-37.81"/>
+<polygon fill="black" stroke="black" points="428.62,-41.31 438.6,-37.75 428.58,-34.31 428.62,-41.31"/>
+<text text-anchor="middle" x="287.79" y="-42.43" font-family="Times,serif" font-size="14.00">00&#45;&#39;`&#39;,&#39;c&#39;&#45;7f</text>
+</g>
+<!-- z3&#45;&gt;z3 -->
+<g id="edge9" class="edge">
+<title>z3&#45;&gt;z3</title>
+<path fill="none" stroke="black" d="M447.12,-55.07C443.69,-66.28 448.07,-77.07 460.24,-77.07 468.61,-77.07 473.29,-71.97 474.29,-65.14"/>
+<polygon fill="black" stroke="black" points="477.76,-64.71 473.36,-55.07 470.79,-65.35 477.76,-64.71"/>
+<text text-anchor="middle" x="460.24" y="-80.87" font-family="Times,serif" font-size="14.00">00&#45;7f</text>
+</g>
+</g>
+</svg>