Import TestRunner library into chromium.

content/shell/renderer/test_runner/MockSpellCheck.cpp

+// Copyright 2013 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "content/shell/renderer/test_runner/MockSpellCheck.h"
+
+#include "content/shell/renderer/test_runner/TestCommon.h"
+#include "third_party/WebKit/public/platform/WebCString.h"
+
+using namespace blink;
+using namespace std;
+
+namespace WebTestRunner {
+
+namespace {
+
+void append(WebVector<WebString>* data, const WebString& item)
+{
+    WebVector<WebString> result(data->size() + 1);
+    for (size_t i = 0; i < data->size(); ++i)
+        result[i] = (*data)[i];
+    result[data->size()] = item;
+    data->swap(result);
+}
+
+}
+
+MockSpellCheck::MockSpellCheck()
+    : m_initialized(false) { }
+
+MockSpellCheck::~MockSpellCheck() { }
+
+bool MockSpellCheck::spellCheckWord(const WebString& text, int* misspelledOffset, int* misspelledLength)
+{
+    BLINK_ASSERT(misspelledOffset);
+    BLINK_ASSERT(misspelledLength);
+
+    // Initialize this spellchecker.
+    initializeIfNeeded();
+
+    // Reset the result values as our spellchecker does.
+    *misspelledOffset = 0;
+    *misspelledLength = 0;
+
+    // Convert to a string16 because we store string16 instances in
+    // m_misspelledWords and WebString has no find().
+    string16 stringText = text;
+    int skippedLength = 0;
+
+    while (!stringText.empty()) {
+        // Extract the first possible English word from the given string.
+        // The given string may include non-ASCII characters or numbers. So, we
+        // should filter out such characters before start looking up our
+        // misspelled-word table.
+        // (This is a simple version of our SpellCheckWordIterator class.)
+        // If the given string doesn't include any ASCII characters, we can treat the
+        // string as valid one.
+        string16::iterator firstChar = find_if(stringText.begin(), stringText.end(), isASCIIAlpha);
+        if (firstChar == stringText.end())
+            return true;
+        int wordOffset = distance(stringText.begin(), firstChar);
+        int maxWordLength = static_cast<int>(stringText.length()) - wordOffset;
+        int wordLength;
+        string16 word;
+
+        // Look up our misspelled-word table to check if the extracted word is a
+        // known misspelled word, and return the offset and the length of the
+        // extracted word if this word is a known misspelled word.
+        // (See the comment in MockSpellCheck::initializeIfNeeded() why we use a
+        // misspelled-word table.)
+        for (size_t i = 0; i < m_misspelledWords.size(); ++i) {
+            wordLength = static_cast<int>(m_misspelledWords.at(i).length()) > maxWordLength ? maxWordLength : static_cast<int>(m_misspelledWords.at(i).length());
+            word = stringText.substr(wordOffset, wordLength);
+            if (word == m_misspelledWords.at(i) && (static_cast<int>(stringText.length()) == wordOffset + wordLength || isNotASCIIAlpha(stringText[wordOffset + wordLength]))) {
+                *misspelledOffset = wordOffset + skippedLength;
+                *misspelledLength = wordLength;
+                break;
+            }
+        }
+
+        if (*misspelledLength > 0)
+            break;
+
+        string16::iterator lastChar = find_if(stringText.begin() + wordOffset, stringText.end(), isNotASCIIAlpha);
+        if (lastChar == stringText.end())
+            wordLength = static_cast<int>(stringText.length()) - wordOffset;
+        else
+            wordLength = distance(firstChar, lastChar);
+
+        BLINK_ASSERT(0 < wordOffset + wordLength);
+        stringText = stringText.substr(wordOffset + wordLength);
+        skippedLength += wordOffset + wordLength;
+    }
+
+    return false;
+}
+
+bool MockSpellCheck::hasInCache(const WebString& word)
+{
+    return word == WebString::fromUTF8("Spell wellcome. Is it broken?") || word == WebString::fromUTF8("Spell wellcome.\x007F");
+}
+
+bool MockSpellCheck::isMultiWordMisspelling(const WebString& text, vector<WebTextCheckingResult>* results)
+{
+    if (text == WebString::fromUTF8("Helllo wordl.")) {
+        results->push_back(WebTextCheckingResult(WebTextDecorationTypeSpelling, 0, 6, WebString("Hello")));
+        results->push_back(WebTextCheckingResult(WebTextDecorationTypeSpelling, 7, 5, WebString("world")));
+        return true;
+    }
+    return false;
+}
+
+void MockSpellCheck::fillSuggestionList(const WebString& word, WebVector<WebString>* suggestions)
+{
+    if (word == WebString::fromUTF8("wellcome"))
+        append(suggestions, WebString::fromUTF8("welcome"));
+    else if (word == WebString::fromUTF8("upper case"))
+        append(suggestions, WebString::fromUTF8("uppercase"));
+    else if (word == WebString::fromUTF8("Helllo"))
+        append(suggestions, WebString::fromUTF8("Hello"));
+    else if (word == WebString::fromUTF8("wordl"))
+        append(suggestions, WebString::fromUTF8("world"));
+}
+
+bool MockSpellCheck::initializeIfNeeded()
+{
+    // Exit if we have already initialized this object.
+    if (m_initialized)
+        return false;
+
+    // Create a table that consists of misspelled words used in WebKit layout
+    // tests.
+    // Since WebKit layout tests don't have so many misspelled words as
+    // well-spelled words, it is easier to compare the given word with misspelled
+    // ones than to compare with well-spelled ones.
+    static const char* misspelledWords[] = {
+        // These words are known misspelled words in webkit tests.
+        // If there are other misspelled words in webkit tests, please add them in
+        // this array.
+        "foo",
+        "Foo",
+        "baz",
+        "fo",
+        "LibertyF",
+        "chello",
+        "xxxtestxxx",
+        "XXxxx",
+        "Textx",
+        "blockquoted",
+        "asd",
+        "Lorem",
+        "Nunc",
+        "Curabitur",
+        "eu",
+        "adlj",
+        "adaasj",
+        "sdklj",
+        "jlkds",
+        "jsaada",
+        "jlda",
+        "zz",
+        "contentEditable",
+        // The following words are used by unit tests.
+        "ifmmp",
+        "qwertyuiopasd",
+        "qwertyuiopasdf",
+        "upper case",
+        "wellcome"
+    };
+
+    m_misspelledWords.clear();
+    for (size_t i = 0; i < arraysize(misspelledWords); ++i)
+        m_misspelledWords.push_back(string16(misspelledWords[i], misspelledWords[i] + strlen(misspelledWords[i])));
+
+    // Mark as initialized to prevent this object from being initialized twice
+    // or more.
+    m_initialized = true;
+
+    // Since this MockSpellCheck class doesn't download dictionaries, this
+    // function always returns false.
+    return false;
+}
+
+}