1 files changed, 115 insertions, 0 deletions
diff --git a/gfx/skia/skia/src/core/SkStringUtils.cpp b/gfx/skia/skia/src/core/SkStringUtils.cpp
new file mode 100644
index 0000000000..cfbe7d5563
--- /dev/null
+++ b/gfx/skia/skia/src/core/SkStringUtils.cpp
@@ -0,0 +1,115 @@
+/*
+ * Copyright 2013 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#include "include/core/SkString.h"
+#include "include/private/base/SkTArray.h"
+#include "src/base/SkUTF.h"
+#include "src/core/SkStringUtils.h"
+
+void SkAppendScalar(SkString* str, SkScalar value, SkScalarAsStringType asType) {
+    switch (asType) {
+        case kHex_SkScalarAsStringType:
+            str->appendf("SkBits2Float(0x%08x)", SkFloat2Bits(value));
+            break;
+        case kDec_SkScalarAsStringType: {
+            SkString tmp;
+            tmp.printf("%.9g", value);
+            if (tmp.contains('.')) {
+                tmp.appendUnichar('f');
+            }
+            str->append(tmp);
+            break;
+        }
+    }
+}
+
+SkString SkTabString(const SkString& string, int tabCnt) {
+    if (tabCnt <= 0) {
+        return string;
+    }
+    SkString tabs;
+    for (int i = 0; i < tabCnt; ++i) {
+        tabs.append("\t");
+    }
+    SkString result;
+    static const char newline[] = "\n";
+    const char* input = string.c_str();
+    int nextNL = SkStrFind(input, newline);
+    while (nextNL >= 0) {
+        if (nextNL > 0) {
+            result.append(tabs);
+        }
+        result.append(input, nextNL + 1);
+        input += nextNL + 1;
+        nextNL = SkStrFind(input, newline);
+    }
+    if (*input != '\0') {
+        result.append(tabs);
+        result.append(input);
+    }
+    return result;
+}
+
+SkString SkStringFromUTF16(const uint16_t* src, size_t count) {
+    SkString ret;
+    const uint16_t* stop = src + count;
+    if (count > 0) {
+        SkASSERT(src);
+        size_t n = 0;
+        const uint16_t* end = src + count;
+        for (const uint16_t* ptr = src; ptr < end;) {
+            const uint16_t* last = ptr;
+            SkUnichar u = SkUTF::NextUTF16(&ptr, stop);
+            size_t s = SkUTF::ToUTF8(u);
+            if (n > UINT32_MAX - s) {
+                end = last;  // truncate input string
+                break;
+            }
+            n += s;
+        }
+        ret = SkString(n);
+        char* out = ret.data();
+        for (const uint16_t* ptr = src; ptr < end;) {
+            out += SkUTF::ToUTF8(SkUTF::NextUTF16(&ptr, stop), out);
+        }
+        SkASSERT(out == ret.data() + n);
+    }
+    return ret;
+}
+
+void SkStrSplit(const char* str,
+                const char* delimiters,
+                SkStrSplitMode splitMode,
+                SkTArray<SkString>* out) {
+    if (splitMode == kCoalesce_SkStrSplitMode) {
+        // Skip any delimiters.
+        str += strspn(str, delimiters);
+    }
+    if (!*str) {
+        return;
+    }
+
+    while (true) {
+        // Find a token.
+        const size_t len = strcspn(str, delimiters);
+        if (splitMode == kStrict_SkStrSplitMode || len > 0) {
+            out->push_back().set(str, len);
+            str += len;
+        }
+
+        if (!*str) {
+            return;
+        }
+        if (splitMode == kCoalesce_SkStrSplitMode) {
+            // Skip any delimiters.
+            str += strspn(str, delimiters);
+        } else {
+            // Skip one delimiter.
+            str += 1;
+        }
+    }
+}