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high level encoder builds

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This commit is contained in:
Henry Schimke
2022-10-27 17:45:32 -05:00
parent fb6dfac670
commit 7ac08007e7
6 changed files with 45 additions and 44 deletions
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34
src/datamatrix/encoder/c40_encoder.rs
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@@ -43,7 +43,7 @@ impl C40Encoder {
&self,
context: &mut super::EncoderContext,
encodeChar: &dyn Fn(char, &mut String) -> u32,
handleEOD : &dyn Fn( &EncoderContext, &mut String) -> Result<(), Exceptions>,
handleEOD : &dyn Fn( &mut EncoderContext, &mut String) -> Result<(), Exceptions>,
) -> Result<(), Exceptions> {
//step C
let mut buffer = String::new();
@@ -51,7 +51,7 @@ impl C40Encoder {
let c = context.getCurrentChar();
context.pos += 1;
let lastCharSize = encodeChar(c, &mut buffer);
let mut lastCharSize = encodeChar(c, &mut buffer);
let unwritten = (buffer.len() / 3) * 2;
@@ -76,7 +76,7 @@ impl C40Encoder {
lastCharSize = self.backtrackOneCharacter(
context,
&mut buffer,
&removed,
&mut removed,
lastCharSize,
encodeChar,
);
@@ -102,20 +102,20 @@ impl C40Encoder {
Ok(())
}
pub fn encodeMaximalC40(&self, context: &EncoderContext,) {
pub fn encodeMaximalC40(&self, context: &mut EncoderContext,) {
self.encodeMaximal(context, &Self::encodeChar_c40, &Self::handleEOD_c40)
}
fn encodeMaximal(
&self,
context: &EncoderContext,
context: &mut EncoderContext,
encodeChar: &dyn Fn(char, &mut String) -> u32,
handleEOD : &dyn Fn( &EncoderContext, &mut String) -> Result<(), Exceptions>,
handleEOD : &dyn Fn( &mut EncoderContext, &mut String) -> Result<(), Exceptions>,
) {
let buffer = String::new();
let lastCharSize = 0;
let backtrackStartPosition = context.pos;
let backtrackBufferLength = 0;
let mut buffer = String::new();
let mut lastCharSize = 0;
let mut backtrackStartPosition = context.pos;
let mut backtrackBufferLength = 0;
while context.hasMoreCharacters() {
let c = context.getCurrentChar();
context.pos += 1;
@@ -144,14 +144,14 @@ impl C40Encoder {
context.writeCodeword(LATCH_TO_C40);
}
handleEOD(context, &mut buffer);
handleEOD( context, &mut buffer);
}
fn backtrackOneCharacter(
&self,
context: &EncoderContext,
context: &mut EncoderContext,
buffer: &mut String,
removed: &String,
removed: &mut String,
lastCharSize: u32,
encodeChar: &dyn Fn(char, &mut String) -> u32,
) -> u32 {
@@ -160,12 +160,12 @@ impl C40Encoder {
buffer.replace_range((count - lastCharSize as usize)..count, "");
context.pos -= 1;
let c = context.getCurrentChar();
lastCharSize = encodeChar(c, &mut removed);
let lastCharSize = encodeChar(c, removed);
context.resetSymbolInfo(); //Deal with possible reduction in symbol size
return lastCharSize;
}
pub(super) fn writeNextTriplet(context: &EncoderContext, buffer: &mut String) {
pub(super) fn writeNextTriplet(context: &mut EncoderContext, buffer: &mut String) {
context.writeCodewords(&Self::encodeToCodewords(buffer));
buffer.replace_range(0..3, "");
// buffer.delete(0, 3);
@@ -177,7 +177,7 @@ impl C40Encoder {
* @param context the encoder context
* @param buffer the buffer with the remaining encoded characters
*/
pub fn handleEOD_c40( context: &EncoderContext, buffer: &mut String) -> Result<(), Exceptions> {
pub fn handleEOD_c40( context: &mut EncoderContext, buffer: &mut String) -> Result<(), Exceptions> {
let unwritten = (buffer.len() / 3) * 2;
let rest = buffer.len() % 3;
@@ -259,7 +259,7 @@ impl C40Encoder {
return 2;
}
sb.push_str("\u{1}\u{001e}"); //Shift 2, Upper Shift
let len = 2;
let mut len = 2;
len += Self::encodeChar_c40((c as u8 - 128) as char, sb);
len