add uniffi CharGrid

crates/servicepoint_binding_uniffi/src/bitmap.rs

@@ -70,7 +70,7 @@ impl Bitmap {
         let b = other.actual.read().unwrap();
         *a == *b
     }
-    
+
     pub fn copy_raw(&self) -> Vec<u8> {
         self.actual.read().unwrap().data_ref().to_vec()
     }

crates/servicepoint_binding_uniffi/src/brightness_grid.rs

@@ -75,6 +75,12 @@ impl BrightnessGrid {
     }
 
     pub fn copy_raw(&self) -> Vec<u8> {
-        self.actual.read().unwrap().data_ref().iter().map(u8::from).collect()
+        self.actual
+            .read()
+            .unwrap()
+            .data_ref()
+            .iter()
+            .map(u8::from)
+            .collect()
     }
 }

crates/servicepoint_binding_uniffi/src/char_grid.rs

@@ -0,0 +1,163 @@
+use servicepoint::{Grid, SeriesError};
+use std::convert::Into;
+use std::sync::{Arc, RwLock};
+use crate::cp437_grid::Cp437Grid;
+
+#[derive(uniffi::Object)]
+pub struct CharGrid {
+    pub(crate) actual: RwLock<servicepoint::CharGrid>,
+}
+
+#[derive(uniffi::Error, thiserror::Error, Debug)]
+pub enum CharGridError {
+    #[error("Exactly one character was expected, but {value:?} was provided")]
+    StringNotOneChar { value: String },
+    #[error("The provided series was expected to have a length of {expected}, but was {actual}")]
+    InvalidSeriesLength { actual: u64, expected: u64 },
+    #[error("The index {index} was out of bounds for size {size}")]
+    OutOfBounds { index: u64, size: u64 },
+}
+
+#[uniffi::export]
+impl CharGrid {
+    #[uniffi::constructor]
+    pub fn new(width: u64, height: u64) -> Arc<Self> {
+        Self::internal_new(servicepoint::CharGrid::new(
+            width as usize,
+            height as usize,
+        ))
+    }
+
+    #[uniffi::constructor]
+    pub fn load(data: String) -> Arc<Self> {
+        Self::internal_new(servicepoint::CharGrid::from(&*data))
+    }
+
+    #[uniffi::constructor]
+    pub fn clone(other: &Arc<Self>) -> Arc<Self> {
+        Self::internal_new(other.actual.read().unwrap().clone())
+    }
+
+    pub fn set(
+        &self,
+        x: u64,
+        y: u64,
+        value: String,
+    ) -> Result<(), CharGridError> {
+        let value = Self::str_to_char(value)?;
+        self.actual
+            .write()
+            .unwrap()
+            .set(x as usize, y as usize, value);
+        Ok(())
+    }
+
+    pub fn get(&self, x: u64, y: u64) -> String {
+        self.actual
+            .read()
+            .unwrap()
+            .get(x as usize, y as usize)
+            .into()
+    }
+
+    pub fn fill(&self, value: String) -> Result<(), CharGridError> {
+        let value = Self::str_to_char(value)?;
+        self.actual.write().unwrap().fill(value);
+        Ok(())
+    }
+
+    pub fn width(&self) -> u64 {
+        self.actual.read().unwrap().width() as u64
+    }
+
+    pub fn height(&self) -> u64 {
+        self.actual.read().unwrap().height() as u64
+    }
+
+    pub fn equals(&self, other: &CharGrid) -> bool {
+        let a = self.actual.read().unwrap();
+        let b = other.actual.read().unwrap();
+        *a == *b
+    }
+
+    pub fn as_string(&self) -> String {
+        let grid = self.actual.read().unwrap();
+        String::from(&*grid)
+    }
+
+    pub fn set_row(&self, y: u64, row: String) -> Result<(), CharGridError> {
+        self.actual
+            .write()
+            .unwrap()
+            .set_row(y as usize, &*row.chars().collect::<Vec<_>>())
+            .map_err(CharGridError::from)
+    }
+
+    pub fn set_col(&self, x: u64, col: String) -> Result<(), CharGridError> {
+        self.actual
+            .write()
+            .unwrap()
+            .set_row(x as usize, &*col.chars().collect::<Vec<_>>())
+            .map_err(CharGridError::from)
+    }
+
+    pub fn get_row(&self, y: u64) -> Result<String, CharGridError> {
+        self.actual
+            .read()
+            .unwrap()
+            .get_row(y as usize)
+            .map(move |vec| String::from_iter(vec))
+            .ok_or(CharGridError::OutOfBounds {index: y, size: self.height()})
+    }
+
+    pub fn get_col(&self, x: u64) -> Result<String, CharGridError> {
+        self.actual
+            .read()
+            .unwrap()
+            .get_col(x as usize)
+            .map(move |vec| String::from_iter(vec))
+            .ok_or(CharGridError::OutOfBounds {index: x, size: self.width()})
+    }
+
+    pub fn to_cp437(&self) -> Arc<Cp437Grid> {
+        Cp437Grid::internal_new(servicepoint::Cp437Grid::from(&*self.actual.read().unwrap()))
+    }
+}
+
+impl CharGrid {
+    pub(crate) fn internal_new(actual: servicepoint::CharGrid) -> Arc<Self> {
+        Arc::new(Self {
+            actual: RwLock::new(actual),
+        })
+    }
+
+    fn str_to_char(value: String) -> Result<char, CharGridError> {
+        if value.len() != 1 {
+            return Err(CharGridError::StringNotOneChar {
+                value,
+            });
+        }
+
+        let value = value.chars().nth(0).unwrap();
+        Ok(value)
+    }
+}
+
+impl From<SeriesError> for CharGridError {
+    fn from(e: SeriesError) -> Self {
+        match e {
+            SeriesError::OutOfBounds { index, size } => {
+                CharGridError::OutOfBounds {
+                    index: index as u64,
+                    size: size as u64,
+                }
+            }
+            SeriesError::InvalidLength { actual, expected } => {
+                CharGridError::InvalidSeriesLength {
+                    actual: actual as u64,
+                    expected: expected as u64,
+                }
+            }
+        }
+    }
+}

crates/servicepoint_binding_uniffi/src/cp437_grid.rs

@@ -1,5 +1,6 @@
 use servicepoint::{DataRef, Grid};
 use std::sync::{Arc, RwLock};
+use crate::char_grid::CharGrid;
 
 #[derive(uniffi::Object)]
 pub struct Cp437Grid {
@@ -7,7 +8,7 @@ pub struct Cp437Grid {
 }
 
 impl Cp437Grid {
-    fn internal_new(actual: servicepoint::Cp437Grid) -> Arc<Self> {
+    pub(crate) fn internal_new(actual: servicepoint::Cp437Grid) -> Arc<Self> {
         Arc::new(Self {
             actual: RwLock::new(actual),
         })
@@ -46,11 +47,7 @@ impl Cp437Grid {
     }
 
     pub fn get(&self, x: u64, y: u64) -> u8 {
-        self.actual
-            .read()
-            .unwrap()
-            .get(x as usize, y as usize)
-            .into()
+        self.actual.read().unwrap().get(x as usize, y as usize)
     }
 
     pub fn fill(&self, value: u8) {
@@ -73,4 +70,8 @@ impl Cp437Grid {
     pub fn copy_raw(&self) -> Vec<u8> {
         self.actual.read().unwrap().data_ref().to_vec()
     }
+
+    pub fn to_utf8(&self) -> Arc<CharGrid> {
+        CharGrid::internal_new(servicepoint::CharGrid::from(&*self.actual.read().unwrap()))
+    }
 }

crates/servicepoint_binding_uniffi/src/lib.rs

@@ -3,6 +3,7 @@ uniffi::setup_scaffolding!();
 mod bitmap;
 mod bitvec;
 mod brightness_grid;
+mod char_grid;
 mod command;
 mod compression_code;
 mod connection;