Create chrys

src/fenrir-package/utils/chrys

@@ -0,0 +1,99 @@
+def getPrevWord(currX,currY, currText):
+    if currText == '':
+        return -1, -1, ''
+    x, y, word = getCurrentWord(currX,currY,currText)
+    wrappedLines = currText.split('\n') 
+    if (word == ''):
+        return currX, currY, '' 
+    while True:
+        if x < 2:
+            if y != 0:
+                y -= 1
+            else:
+                 return currX, currY, '' 
+            x = len(wrappedLines[y]) - 1
+        else:
+            x -= 1
+        if wrappedLines[y] != '':
+            break
+    x, y, word = getCurrentWord(x, y, currText)
+    if word == '':
+        return currX, currY, ''
+    return x, y, word
+
+def getCurrentWord(currX,currY, currText):
+    if currText == '':
+        return -1, -1, ''
+    x = currX
+    y = currY
+    wrappedLines = currText.split('\n')
+    wordFound = False
+    currWord = ''
+    currLine = wrappedLines[y].replace("\t"," ")
+    if currLine[x] == ' ' and  x > 1:
+        x = x - 2
+    while not wordFound:
+        x = currLine[:x].rfind(" ")
+        if x == -1:
+            x = 0
+        else:
+            x += 1
+        wordEnd = currLine[x + 1:].find(" ")
+        if wordEnd == -1:
+            wordEnd = len(currLine)
+        else:
+            wordEnd += x + 1
+        currWord = currLine[x:wordEnd]
+        wordFound = currWord.strip(" \t\n") != ''
+        if wordFound:
+            break
+        if x == 0:
+            if y != 0:
+                y -= 1
+                currLine = wrappedLines[y].replace("\t"," ")
+            else:
+                 return currX, currY, '' 
+            x = len(wrappedLines[y]) - 1
+        else:
+            x -= 1
+    return x, y, currWord
+
+def getNextWord(currX,currY, currText):
+    if currText == '':
+        return -1, -1, ''
+    x = currX
+    y = currY
+    wrappedLines = currText.split('\n')
+    wordFound = False
+    currWord = ''
+    currLine = wrappedLines[y].replace("\t"," ")
+    if currLine[x] == ' ' and  x + 1 < len(currLine):
+        x = x + 1
+    while not wordFound:
+        print(x,y)
+		x = currLine[x:].find(" ")
+        if x == -1:
+            if y != len(wrappedLines):
+                y += 1
+                currLine = wrappedLines[y].replace("\t"," ")
+            else:
+                 return currX, currY, '' 
+            x = 0
+        else:
+            x += currLine[x + 1:].find(" ")
+        wordEnd = currLine[x + 1:].find(" ")
+        if wordEnd == -1:
+            wordEnd = len(currLine)
+        else:
+            wordEnd += x + 2
+        currWord = currLine[x:wordEnd]
+        wordFound = currWord.strip(" \t\n") != ''
+    return x, y, currWord
+
+currText = "    das ist ein   test\ntest das\ntesttest\n\ntest"
+currY = 0
+currX = 4
+currX, currY, word = getCurrentWord(currX,currY,currText)
+#currX, currY, word = getPrevWord(currX,currY,currText)
+#currX, currY, word = getNextWord(currX,currY,currText)
+print(currX, currY, word)