ak/rxing
1
0
Fork 0
mirror of https://github.com/starovoid/rxing.git synced 2026-07-26 04:12:34 +00:00
Code Issues Packages Projects Releases Wiki Activity

refactor to use exception helper factories

Browse Source
This commit is contained in:
Vukašin Stepanović
2023-02-15 10:46:13 +00:00
parent 3e27279dc8
commit 722ce78fd0
132 changed files with 966 additions and 1132 deletions
Download Patch File Download Diff File Expand all files Collapse all files

58
src/oned/code_93_reader.rs
View File

@@ -63,7 +63,7 @@ impl OneDReader for Code93Reader {
one_d_reader::recordPattern(row, nextStart, &mut theCounters)?;
let pattern = Self::toPattern(&theCounters);
if pattern < 0 {
return Err(Exceptions::NotFoundException(None));
return Err(Exceptions::notFoundEmpty());
}
decodedChar = Self::patternToChar(pattern as u32)?;
self.decodeRowRXingResult.push(decodedChar);
@@ -92,12 +92,12 @@ impl OneDReader for Code93Reader {
// Should be at least one more black module
if nextStart == end || !row.get(nextStart) {
return Err(Exceptions::NotFoundException(None));
return Err(Exceptions::notFoundEmpty());
}
if self.decodeRowRXingResult.chars().count() < 2 {
// false positive -- need at least 2 checksum digits
return Err(Exceptions::NotFoundException(None));
return Err(Exceptions::notFoundEmpty());
}
Self::checkChecksums(&self.decodeRowRXingResult)?;
@@ -191,7 +191,7 @@ impl Code93Reader {
isWhite = !isWhite;
}
}
Err(Exceptions::NotFoundException(None))
Err(Exceptions::notFoundEmpty())
}
fn toPattern(counters: &[u32; 6]) -> i32 {
@@ -221,7 +221,7 @@ impl Code93Reader {
return Ok(Self::ALPHABET[i]);
}
}
Err(Exceptions::NotFoundException(None))
Err(Exceptions::notFoundEmpty())
}
fn decodeExtended(encoded: &str) -> Result<String, Exceptions> {
@@ -234,52 +234,52 @@ impl Code93Reader {
let c = encoded
.chars()
.nth(i)
.ok_or(Exceptions::IndexOutOfBoundsException(None))?;
.ok_or(Exceptions::indexOutOfBoundsEmpty())?;
if ('a'..='d').contains(&c) {
if i >= length - 1 {
return Err(Exceptions::FormatException(None));
return Err(Exceptions::formatEmpty());
}
let next = encoded
.chars()
.nth(i + 1)
.ok_or(Exceptions::IndexOutOfBoundsException(None))?;
.ok_or(Exceptions::indexOutOfBoundsEmpty())?;
let mut decodedChar = '\0';
match c {
'd' => {
// +A to +Z map to a to z
if ('A'..='Z').contains(&next) {
decodedChar = char::from_u32(next as u32 + 32)
.ok_or(Exceptions::ParseException(None))?;
decodedChar =
char::from_u32(next as u32 + 32).ok_or(Exceptions::parseEmpty())?;
} else {
return Err(Exceptions::FormatException(None));
return Err(Exceptions::formatEmpty());
}
}
'a' => {
// $A to $Z map to control codes SH to SB
if ('A'..='Z').contains(&next) {
decodedChar = char::from_u32(next as u32 - 64)
.ok_or(Exceptions::ParseException(None))?;
decodedChar =
char::from_u32(next as u32 - 64).ok_or(Exceptions::parseEmpty())?;
} else {
return Err(Exceptions::FormatException(None));
return Err(Exceptions::formatEmpty());
}
}
'b' => {
if ('A'..='E').contains(&next) {
// %A to %E map to control codes ESC to USep
decodedChar = char::from_u32(next as u32 - 38)
.ok_or(Exceptions::ParseException(None))?;
decodedChar =
char::from_u32(next as u32 - 38).ok_or(Exceptions::parseEmpty())?;
} else if ('F'..='J').contains(&next) {
// %F to %J map to ; < = > ?
decodedChar = char::from_u32(next as u32 - 11)
.ok_or(Exceptions::ParseException(None))?;
decodedChar =
char::from_u32(next as u32 - 11).ok_or(Exceptions::parseEmpty())?;
} else if ('K'..='O').contains(&next) {
// %K to %O map to [ \ ] ^ _
decodedChar = char::from_u32(next as u32 + 16)
.ok_or(Exceptions::ParseException(None))?;
decodedChar =
char::from_u32(next as u32 + 16).ok_or(Exceptions::parseEmpty())?;
} else if ('P'..='T').contains(&next) {
// %P to %T map to { | } ~ DEL
decodedChar = char::from_u32(next as u32 + 43)
.ok_or(Exceptions::ParseException(None))?;
decodedChar =
char::from_u32(next as u32 + 43).ok_or(Exceptions::parseEmpty())?;
} else if next == 'U' {
// %U map to NUL
decodedChar = '\0';
@@ -293,18 +293,18 @@ impl Code93Reader {
// %X to %Z all map to DEL (127)
decodedChar = 127 as char;
} else {
return Err(Exceptions::FormatException(None));
return Err(Exceptions::formatEmpty());
}
}
'c' => {
// /A to /O map to ! to , and /Z maps to :
if ('A'..='O').contains(&next) {
decodedChar = char::from_u32(next as u32 - 32)
.ok_or(Exceptions::ParseException(None))?;
decodedChar =
char::from_u32(next as u32 - 32).ok_or(Exceptions::parseEmpty())?;
} else if next == 'Z' {
decodedChar = ':';
} else {
return Err(Exceptions::FormatException(None));
return Err(Exceptions::formatEmpty());
}
}
_ => {}
@@ -342,7 +342,7 @@ impl Code93Reader {
result
.chars()
.nth(i)
.ok_or(Exceptions::IndexOutOfBoundsException(None))?,
.ok_or(Exceptions::indexOutOfBoundsEmpty())?,
)
.map_or_else(|| -1_i32, |v| v as i32);
weight += 1;
@@ -353,10 +353,10 @@ impl Code93Reader {
if result
.chars()
.nth(checkPosition)
.ok_or(Exceptions::IndexOutOfBoundsException(None))?
.ok_or(Exceptions::indexOutOfBoundsEmpty())?
!= Self::ALPHABET[(total as usize) % 47]
{
Err(Exceptions::ChecksumException(None))
Err(Exceptions::checksumEmpty())
} else {
Ok(())
}