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make the loopOverCodePointss inline Unit loopers

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This commit is contained in:
devycarol 2025-03-06 22:14:30 -07:00
parent b6a13a7473
commit 2787b586ae
2 changed files with 18 additions and 29 deletions
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18
app/src/main/java/helium314/keyboard/keyboard/KeyboardActionListenerImpl.kt
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@ -117,14 +117,14 @@ class KeyboardActionListenerImpl(private val latinIME: LatinIME, private val inp
if (text == null) actualSteps = steps
else loopOverCodePoints(text) { cp, charCount ->
actualSteps += charCount
actualSteps >= steps
if (actualSteps >= steps) return actualSteps
}
} else {
val text = inputLogic.mConnection.getTextBeforeCursor(-steps * 4, 0)
if (text == null) actualSteps = steps
else loopOverCodePointsBackwards(text) { cp, charCount ->
actualSteps -= charCount
actualSteps <= steps
if (actualSteps <= steps) return actualSteps
}
}
return actualSteps
@ -220,12 +220,9 @@ class KeyboardActionListenerImpl(private val latinIME: LatinIME, private val inp
var actualSteps = 0
// corrected steps to avoid splitting chars belonging to the same codepoint
loopOverCodePoints(text) { cp, charCount ->
if (StringUtils.mightBeEmoji(cp)) {
actualSteps = 0
true
}
if (StringUtils.mightBeEmoji(cp)) return 0
actualSteps += charCount
actualSteps >= steps
if (actualSteps >= steps) return min(actualSteps, text.length)
}
return min(actualSteps, text.length)
}
@ -234,12 +231,9 @@ class KeyboardActionListenerImpl(private val latinIME: LatinIME, private val inp
var actualSteps = 0
// corrected steps to avoid splitting chars belonging to the same codepoint
loopOverCodePointsBackwards(text) { cp, charCount ->
if (StringUtils.mightBeEmoji(cp)) {
actualSteps = 0
true
}
if (StringUtils.mightBeEmoji(cp)) return 0
actualSteps -= charCount
actualSteps <= steps
if (actualSteps <= steps) return -min(-actualSteps, text.length)
}
return -min(-actualSteps, text.length)
}

29
app/src/main/java/helium314/keyboard/latin/common/StringUtils.kt
View file

@ -9,24 +9,24 @@ import helium314.keyboard.latin.settings.SpacingAndPunctuations
import java.math.BigInteger
import java.util.Locale
fun loopOverCodePoints(text: CharSequence, loop: (cp: Int, charCount: Int) -> Boolean) {
inline fun loopOverCodePoints(text: CharSequence, loop: (cp: Int, charCount: Int) -> Unit) {
val s = text.toString()
var offset = 0
while (offset < s.length) {
val cp = s.codePointAt(offset)
val charCount = Character.charCount(cp)
if (loop(cp, charCount)) return
loop(cp, charCount)
offset += charCount
}
}
fun loopOverCodePointsBackwards(text: CharSequence, loop: (cp: Int, charCount: Int) -> Boolean) {
inline fun loopOverCodePointsBackwards(text: CharSequence, loop: (cp: Int, charCount: Int) -> Unit) {
val s = text.toString()
var offset = s.length
while (offset > 0) {
val cp = s.codePointBefore(offset)
val charCount = Character.charCount(cp)
if (loop(cp, charCount)) return
loop(cp, charCount)
offset -= charCount
}
}
@ -34,28 +34,23 @@ fun loopOverCodePointsBackwards(text: CharSequence, loop: (cp: Int, charCount: I
fun nonWordCodePointAndNoSpaceBeforeCursor(text: CharSequence, spacingAndPunctuations: SpacingAndPunctuations): Boolean {
var space = false
var nonWordCodePoint = false
loopOverCodePointsBackwards(text) { cp, charCount ->
loopOverCodePointsBackwards(text) { cp, _ ->
if (!space && Character.isWhitespace(cp)) space = true
// treat double quote like a word codepoint for the purpose of this function (not great, maybe clarify name, or extend list of chars?)
// treat double quote like a word codepoint for this function (not great, maybe clarify name or extend list of chars?)
if (!nonWordCodePoint && !spacingAndPunctuations.isWordCodePoint(cp) && cp != '"'.code) {
nonWordCodePoint = true
}
space && nonWordCodePoint // stop if both are found
if (space && nonWordCodePoint) return false // stop if both are found
}
return nonWordCodePoint && !space // return true if an non-word codepoint and no space was found
return nonWordCodePoint // return true if a non-word codepoint and no space was found
}
fun hasLetterBeforeLastSpaceBeforeCursor(text: CharSequence): Boolean {
var letter = false
loopOverCodePointsBackwards(text) { cp, charCount ->
if (Character.isWhitespace(cp)) true
else if (Character.isLetter(cp)) {
letter = true
true
}
else false
loopOverCodePointsBackwards(text) { cp, _ ->
if (Character.isWhitespace(cp)) return false
else if (Character.isLetter(cp)) return true
}
return letter
return false
}
/** get the complete emoji at end of [text], considering that emojis can be joined with ZWJ resulting in different emojis */