Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 199 insertions, 0 deletions

diff --git a/dom/xslt/xslt/txXSLTNumberCounters.cpp b/dom/xslt/xslt/txXSLTNumberCounters.cpp
new file mode 100644
index 0000000000..de1de46556
--- /dev/null
+++ b/dom/xslt/xslt/txXSLTNumberCounters.cpp
@@ -0,0 +1,199 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "txXSLTNumber.h"
+#include "nsReadableUtils.h"
+#include "txCore.h"
+
+class txDecimalCounter : public txFormattedCounter {
+ public:
+  txDecimalCounter() : mMinLength(1), mGroupSize(50) {}
+
+  txDecimalCounter(int32_t aMinLength, int32_t aGroupSize,
+                   const nsAString& mGroupSeparator);
+
+  virtual void appendNumber(int32_t aNumber, nsAString& aDest) override;
+
+ private:
+  int32_t mMinLength;
+  int32_t mGroupSize;
+  nsString mGroupSeparator;
+};
+
+class txAlphaCounter : public txFormattedCounter {
+ public:
+  explicit txAlphaCounter(char16_t aOffset) : mOffset(aOffset) {}
+
+  virtual void appendNumber(int32_t aNumber, nsAString& aDest) override;
+
+ private:
+  char16_t mOffset;
+};
+
+class txRomanCounter : public txFormattedCounter {
+ public:
+  explicit txRomanCounter(bool aUpper) : mTableOffset(aUpper ? 30 : 0) {}
+
+  void appendNumber(int32_t aNumber, nsAString& aDest) override;
+
+ private:
+  int32_t mTableOffset;
+};
+
+nsresult txFormattedCounter::getCounterFor(const nsString& aToken,
+                                           int32_t aGroupSize,
+                                           const nsAString& aGroupSeparator,
+                                           txFormattedCounter*& aCounter) {
+  int32_t length = aToken.Length();
+  NS_ASSERTION(length, "getting counter for empty token");
+  aCounter = 0;
+
+  if (length == 1) {
+    char16_t ch = aToken.CharAt(0);
+    switch (ch) {
+      case 'i':
+      case 'I':
+        aCounter = new txRomanCounter(ch == 'I');
+        break;
+
+      case 'a':
+      case 'A':
+        aCounter = new txAlphaCounter(ch);
+        break;
+
+      case '1':
+      default:
+        // if we don't recognize the token then use "1"
+        aCounter = new txDecimalCounter(1, aGroupSize, aGroupSeparator);
+        break;
+    }
+    MOZ_ASSERT(aCounter);
+    return NS_OK;
+  }
+
+  // for now, the only multi-char token we support are decimals
+  int32_t i;
+  for (i = 0; i < length - 1; ++i) {
+    if (aToken.CharAt(i) != '0') break;
+  }
+  if (i == length - 1 && aToken.CharAt(i) == '1') {
+    aCounter = new txDecimalCounter(length, aGroupSize, aGroupSeparator);
+  } else {
+    // if we don't recognize the token then use '1'
+    aCounter = new txDecimalCounter(1, aGroupSize, aGroupSeparator);
+  }
+  MOZ_ASSERT(aCounter);
+  return NS_OK;
+}
+
+txDecimalCounter::txDecimalCounter(int32_t aMinLength, int32_t aGroupSize,
+                                   const nsAString& aGroupSeparator)
+    : mMinLength(aMinLength),
+      mGroupSize(aGroupSize),
+      mGroupSeparator(aGroupSeparator) {
+  if (mGroupSize <= 0) {
+    mGroupSize = aMinLength + 10;
+  }
+}
+
+void txDecimalCounter::appendNumber(int32_t aNumber, nsAString& aDest) {
+  const int32_t bufsize = 10;  // must be able to fit an int32_t
+  char16_t buf[bufsize];
+  int32_t pos = bufsize;
+  while (aNumber > 0) {
+    int32_t ch = aNumber % 10;
+    aNumber /= 10;
+    buf[--pos] = ch + '0';
+  }
+
+  // in case we didn't get a long enough string
+  int32_t end = (bufsize > mMinLength) ? bufsize - mMinLength : 0;
+  while (pos > end) {
+    buf[--pos] = '0';
+  }
+
+  // in case we *still* didn't get a long enough string.
+  // this should be very rare since it only happens if mMinLength is bigger
+  // then the length of any int32_t.
+  // pos will always be zero
+  int32_t extraPos = mMinLength;
+  while (extraPos > bufsize) {
+    aDest.Append(char16_t('0'));
+    --extraPos;
+    if (extraPos % mGroupSize == 0) {
+      aDest.Append(mGroupSeparator);
+    }
+  }
+
+  // copy string to buffer
+  if (mGroupSize >= bufsize - pos) {
+    // no grouping will occur
+    aDest.Append(buf + pos, (uint32_t)(bufsize - pos));
+  } else {
+    // append chars up to first grouping separator
+    int32_t len = ((bufsize - pos - 1) % mGroupSize) + 1;
+    aDest.Append(buf + pos, len);
+    pos += len;
+    while (bufsize - pos > 0) {
+      aDest.Append(mGroupSeparator);
+      aDest.Append(buf + pos, mGroupSize);
+      pos += mGroupSize;
+    }
+    NS_ASSERTION(bufsize == pos, "error while grouping");
+  }
+}
+
+void txAlphaCounter::appendNumber(int32_t aNumber, nsAString& aDest) {
+  char16_t buf[12];
+  buf[11] = 0;
+  int32_t pos = 11;
+  while (aNumber > 0) {
+    --aNumber;
+    int32_t ch = aNumber % 26;
+    aNumber /= 26;
+    buf[--pos] = ch + mOffset;
+  }
+
+  aDest.Append(buf + pos, (uint32_t)(11 - pos));
+}
+
+const char* const kTxRomanNumbers[] = {
+    "", "c", "cc", "ccc", "cd", "d", "dc", "dcc", "dccc", "cm",
+    "", "x", "xx", "xxx", "xl", "l", "lx", "lxx", "lxxx", "xc",
+    "", "i", "ii", "iii", "iv", "v", "vi", "vii", "viii", "ix",
+    "", "C", "CC", "CCC", "CD", "D", "DC", "DCC", "DCCC", "CM",
+    "", "X", "XX", "XXX", "XL", "L", "LX", "LXX", "LXXX", "XC",
+    "", "I", "II", "III", "IV", "V", "VI", "VII", "VIII", "IX"};
+
+void txRomanCounter::appendNumber(int32_t aNumber, nsAString& aDest) {
+  // Numbers bigger then 3999 and negative numbers can't be done in roman
+  if (uint32_t(aNumber) >= 4000) {
+    txDecimalCounter().appendNumber(aNumber, aDest);
+    return;
+  }
+
+  while (aNumber >= 1000) {
+    aDest.Append(!mTableOffset ? char16_t('m') : char16_t('M'));
+    aNumber -= 1000;
+  }
+
+  int32_t posValue;
+
+  // Hundreds
+  posValue = aNumber / 100;
+  aNumber %= 100;
+  AppendASCIItoUTF16(
+      mozilla::MakeStringSpan(kTxRomanNumbers[posValue + mTableOffset]), aDest);
+  // Tens
+  posValue = aNumber / 10;
+  aNumber %= 10;
+  AppendASCIItoUTF16(
+      mozilla::MakeStringSpan(kTxRomanNumbers[10 + posValue + mTableOffset]),
+      aDest);
+  // Ones
+  AppendASCIItoUTF16(
+      mozilla::MakeStringSpan(kTxRomanNumbers[20 + aNumber + mTableOffset]),
+      aDest);
+}