Remove dead code in ports/.

These files are not referenced by any .gyp file in Skia or Chromium.
ninja -C out/Debug everything still builds.

BUG=skia:
R=bungeman@google.com, mtklein@google.com, halcanary@google.com

Author: mtklein@chromium.org

Review URL: https://codereview.chromium.org/214243004

git-svn-id: http://skia.googlecode.com/svn/trunk@14036 2bbb7eff-a529-9590-31e7-b0007b416f81

4 files changed, 0 insertions, 622 deletions

diff --git a/src/ports/SkHarfBuzzFont.cpp b/src/ports/SkHarfBuzzFont.cpp
deleted file mode 100644
index 95b9e445a0..0000000000
--- a/src/ports/SkHarfBuzzFont.cpp
+++ /dev/null
@@ -1,182 +0,0 @@
-
-/*
- * Copyright 2009 The Android Open Source Project
- *
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
-
-
-#include "SkHarfBuzzFont.h"
-#include "SkFontHost.h"
-#include "SkPaint.h"
-#include "SkPath.h"
-
-// HB_Fixed is a 26.6 fixed point format.
-static inline HB_Fixed SkScalarToHarfbuzzFixed(SkScalar value) {
-    return static_cast<HB_Fixed>(value * 64);
-}
-
-static HB_Bool stringToGlyphs(HB_Font hbFont, const HB_UChar16* characters,
-                              hb_uint32 length, HB_Glyph* glyphs,
-                              hb_uint32* glyphsSize, HB_Bool isRTL) {
-    SkHarfBuzzFont* font = reinterpret_cast<SkHarfBuzzFont*>(hbFont->userData);
-    SkPaint paint;
-
-    paint.setTypeface(font->getTypeface());
-    paint.setTextEncoding(SkPaint::kUTF16_TextEncoding);
-    int numGlyphs = paint.textToGlyphs(characters, length * sizeof(uint16_t),
-                                       reinterpret_cast<uint16_t*>(glyphs));
-
-    // HB_Glyph is 32-bit, but Skia outputs only 16-bit numbers. So our
-    // |glyphs| array needs to be converted.
-    for (int i = numGlyphs - 1; i >= 0; --i) {
-        uint16_t value;
-        // We use a memcpy to avoid breaking strict aliasing rules.
-        memcpy(&value, reinterpret_cast<char*>(glyphs) + sizeof(uint16_t) * i, sizeof(uint16_t));
-        glyphs[i] = value;
-    }
-
-    *glyphsSize = numGlyphs;
-    return 1;
-}
-
-static void glyphsToAdvances(HB_Font hbFont, const HB_Glyph* glyphs,
-                         hb_uint32 numGlyphs, HB_Fixed* advances, int flags) {
-    SkHarfBuzzFont* font = reinterpret_cast<SkHarfBuzzFont*>(hbFont->userData);
-    SkPaint paint;
-
-    font->setupPaint(&paint);
-    paint.setTextEncoding(SkPaint::kGlyphID_TextEncoding);
-
-    SkAutoMalloc storage(numGlyphs * (sizeof(SkScalar) + sizeof(uint16_t)));
-    SkScalar* scalarWidths = reinterpret_cast<SkScalar*>(storage.get());
-    uint16_t* glyphs16 = reinterpret_cast<uint16_t*>(scalarWidths + numGlyphs);
-
-    // convert HB 32bit glyphs to skia's 16bit
-    for (hb_uint32 i = 0; i < numGlyphs; ++i) {
-        glyphs16[i] = SkToU16(glyphs[i]);
-    }
-    paint.getTextWidths(glyphs16, numGlyphs * sizeof(uint16_t), scalarWidths);
-
-    for (hb_uint32 i = 0; i < numGlyphs; ++i) {
-        advances[i] = SkScalarToHarfbuzzFixed(scalarWidths[i]);
-    }
-}
-
-static HB_Bool canRender(HB_Font hbFont, const HB_UChar16* characters,
-                         hb_uint32 length) {
-    SkHarfBuzzFont* font = reinterpret_cast<SkHarfBuzzFont*>(hbFont->userData);
-    SkPaint paint;
-
-    paint.setTypeface(font->getTypeface());
-    paint.setTextEncoding(SkPaint::kUTF16_TextEncoding);
-    return paint.containsText(characters, length * sizeof(uint16_t));
-}
-
-static HB_Error getOutlinePoint(HB_Font hbFont, HB_Glyph glyph, int flags,
-                                hb_uint32 index, HB_Fixed* xPos, HB_Fixed* yPos,
-                                hb_uint32* resultingNumPoints) {
-    SkHarfBuzzFont* font = reinterpret_cast<SkHarfBuzzFont*>(hbFont->userData);
-    SkPaint paint;
-
-    font->setupPaint(&paint);
-    paint.setTextEncoding(SkPaint::kGlyphID_TextEncoding);
-    if (flags & HB_ShaperFlag_UseDesignMetrics) {
-        paint.setHinting(SkPaint::kNo_Hinting);
-    }
-
-    SkPath path;
-    uint16_t glyph16 = SkToU16(glyph);
-    paint.getTextPath(&glyph16, sizeof(glyph16), 0, 0, &path);
-    int numPoints = path.countPoints();
-    if (index >= numPoints) {
-        return HB_Err_Invalid_SubTable;
-    }
-
-    SkPoint pt = path.getPoint(index);
-    *xPos = SkScalarToHarfbuzzFixed(pt.fX);
-    *yPos = SkScalarToHarfbuzzFixed(pt.fY);
-    *resultingNumPoints = numPoints;
-
-    return HB_Err_Ok;
-}
-
-static void getGlyphMetrics(HB_Font hbFont, HB_Glyph glyph,
-                            HB_GlyphMetrics* metrics) {
-    SkHarfBuzzFont* font = reinterpret_cast<SkHarfBuzzFont*>(hbFont->userData);
-    SkPaint paint;
-
-    font->setupPaint(&paint);
-    paint.setTextEncoding(SkPaint::kGlyphID_TextEncoding);
-
-    SkScalar width;
-    SkRect bounds;
-    uint16_t glyph16 = SkToU16(glyph);
-    paint.getTextWidths(&glyph16, sizeof(glyph16), &width, &bounds);
-
-    metrics->x = SkScalarToHarfbuzzFixed(bounds.fLeft);
-    metrics->y = SkScalarToHarfbuzzFixed(bounds.fTop);
-    metrics->width = SkScalarToHarfbuzzFixed(bounds.width());
-    metrics->height = SkScalarToHarfbuzzFixed(bounds.height());
-
-    metrics->xOffset = SkScalarToHarfbuzzFixed(width);
-    // We can't actually get the |y| correct because Skia doesn't export
-    // the vertical advance. However, nor we do ever render vertical text at
-    // the moment so it's unimportant.
-    metrics->yOffset = 0;
-}
-
-static HB_Fixed getFontMetric(HB_Font hbFont, HB_FontMetric metric)
-{
-    SkHarfBuzzFont* font = reinterpret_cast<SkHarfBuzzFont*>(hbFont->userData);
-    SkPaint paint;
-    SkPaint::FontMetrics skiaMetrics;
-
-    font->setupPaint(&paint);
-    paint.getFontMetrics(&skiaMetrics);
-
-    switch (metric) {
-    case HB_FontAscent:
-        return SkScalarToHarfbuzzFixed(-skiaMetrics.fAscent);
-    default:
-        SkDebugf("--- unknown harfbuzz metric enum %d\n", metric);
-        return 0;
-    }
-}
-
-static HB_FontClass gSkHarfBuzzFontClass = {
-    stringToGlyphs,
-    glyphsToAdvances,
-    canRender,
-    getOutlinePoint,
-    getGlyphMetrics,
-    getFontMetric,
-};
-
-const HB_FontClass& SkHarfBuzzFont::GetFontClass() {
-    return gSkHarfBuzzFontClass;
-}
-
-HB_Error SkHarfBuzzFont::GetFontTableFunc(void* voidface, const HB_Tag tag,
-                                          HB_Byte* buffer, HB_UInt* len) {
-    SkHarfBuzzFont* font = reinterpret_cast<SkHarfBuzzFont*>(voidface);
-    SkTypeface* typeface = font->getTypeface();
-
-    const size_t tableSize = typeface->getTableSize(tag);
-    if (!tableSize) {
-        return HB_Err_Invalid_Argument;
-    }
-    // If Harfbuzz specified a NULL buffer then it's asking for the size.
-    if (!buffer) {
-        *len = tableSize;
-        return HB_Err_Ok;
-    }
-
-    if (*len < tableSize) {
-        // is this right, or should we just copy less than the full table?
-        return HB_Err_Invalid_Argument;
-    }
-    typeface->getTableData(tag, 0, tableSize, buffer);
-    return HB_Err_Ok;
-}
diff --git a/src/ports/SkXMLParser_expat.cpp b/src/ports/SkXMLParser_expat.cpp
deleted file mode 100644
index 3eba2fe8e0..0000000000
--- a/src/ports/SkXMLParser_expat.cpp
+++ /dev/null
@@ -1,140 +0,0 @@
-
-/*
- * Copyright 2006 The Android Open Source Project
- *
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
-
-
-#include "SkXMLParser.h"
-#include "SkString.h"
-#include "SkStream.h"
-
-#include "expat.h"
-
-#ifdef SK_BUILD_FOR_PPI
-#define CHAR_16_TO_9
-#endif
-
-#if defined CHAR_16_TO_9
-inline size_t sk_wcslen(const short* char16) {
-    const short* start = char16;
-    while (*char16)
-        char16++;
-    return char16 - start;
-}
-
-inline const char* ConvertUnicodeToChar(const short* ch16, size_t len, SkAutoMalloc& ch8Malloc) {
-    char* ch8 = (char*) ch8Malloc.get();
-    int index;
-    for (index = 0; index < len; index++)
-        ch8[index] = (char) ch16[index];
-    ch8[index] = '\0';
-    return ch8;
-}
-#endif
-
-static void XMLCALL start_proc(void *data, const char *el, const char **attr)
-{
-#if defined CHAR_16_TO_9
-    size_t len = sk_wcslen((const short*) el);
-    SkAutoMalloc    el8(len + 1);
-    el = ConvertUnicodeToChar((const short*) el, len, el8);
-#endif
-    if (((SkXMLParser*)data)->startElement(el)) {
-        XML_StopParser((XML_Parser) ((SkXMLParser*)data)->fParser, false);
-        return;
-    }
-    while (*attr)
-    {
-        const char* attr0 = attr[0];
-        const char* attr1 = attr[1];
-#if defined CHAR_16_TO_9
-        size_t len0 = sk_wcslen((const short*) attr0);
-        SkAutoMalloc    attr0_8(len0 + 1);
-        attr0 = ConvertUnicodeToChar((const short*) attr0, len0, attr0_8);
-        size_t len1 = sk_wcslen((const short*) attr1);
-        SkAutoMalloc    attr1_8(len1 + 1);
-        attr1 = ConvertUnicodeToChar((const short*) attr1, len1, attr1_8);
-#endif
-        if (((SkXMLParser*)data)->addAttribute(attr0, attr1)) {
-            XML_StopParser((XML_Parser) ((SkXMLParser*)data)->fParser, false);
-            return;
-        }
-        attr += 2;
-    }
-}
-
-static void XMLCALL end_proc(void *data, const char *el)
-{
-#if defined CHAR_16_TO_9
-    size_t len = sk_wcslen((const short*) el);
-    SkAutoMalloc    el8(len + 1);
-    el = ConvertUnicodeToChar((const short*) el, len, el8);
-#endif
-    if (((SkXMLParser*)data)->endElement(el))
-        XML_StopParser((XML_Parser) ((SkXMLParser*)data)->fParser, false);
-}
-
-static void XMLCALL text_proc(void* data, const char* text, int len)
-{
-#if defined CHAR_16_TO_9
-    SkAutoMalloc    text8(len + 1);
-    text = ConvertUnicodeToChar((const short*) text, len, text8);
-#endif
-    if (((SkXMLParser*)data)->text(text, len))
-        XML_StopParser((XML_Parser) ((SkXMLParser*)data)->fParser, false);
-}
-
-bool SkXMLParser::parse(const char doc[], size_t len)
-{
-    if (len == 0) {
-        fError->fCode = SkXMLParserError::kEmptyFile;
-        reportError(NULL);
-        return false;
-    }
-    XML_Parser p = XML_ParserCreate(NULL);
-    SkASSERT(p);
-    fParser = p;
-    XML_SetElementHandler(p, start_proc, end_proc);
-    XML_SetCharacterDataHandler(p, text_proc);
-    XML_SetUserData(p, this);
-
-    bool success = true;
-    int error = XML_Parse(p, doc, len, true);
-    if (error == XML_STATUS_ERROR) {
-        reportError(p);
-        success = false;
-    }
-    XML_ParserFree(p);
-    return success;
-}
-
-bool SkXMLParser::parse(SkStream& input)
-{
-    size_t          len = input.getLength();
-    SkAutoMalloc    am(len);
-    char*           doc = (char*)am.get();
-
-    input.rewind();
-    size_t  len2 = input.read(doc, len);
-    SkASSERT(len2 == len);
-
-    return this->parse(doc, len2);
-}
-
-void SkXMLParser::reportError(void* p)
-{
-    XML_Parser parser = (XML_Parser) p;
-    if (fError && parser) {
-        fError->fNativeCode = XML_GetErrorCode(parser);
-        fError->fLineNumber = XML_GetCurrentLineNumber(parser);
-    }
-}
-
-void SkXMLParser::GetNativeErrorString(int error, SkString* str)
-{
-    if (str)
-        str->set(XML_ErrorString((XML_Error) error));
-}
diff --git a/src/ports/SkXMLParser_tinyxml.cpp b/src/ports/SkXMLParser_tinyxml.cpp
deleted file mode 100644
index 5f9f3a68de..0000000000
--- a/src/ports/SkXMLParser_tinyxml.cpp
+++ /dev/null
@@ -1,87 +0,0 @@
-
-/*
- * Copyright 2006 The Android Open Source Project
- *
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
-
-
-#include "SkXMLParser.h"
-#include "SkStream.h"
-#include "SkTemplates.h"
-#include "tinyxml.h"
-
-static void walk_elem(SkXMLParser* parser, const TiXmlElement* elem)
-{
-    //printf("walk_elem(%s) ", elem->Value());
-
-    parser->startElement(elem->Value());
-
-    const TiXmlAttribute* attr = elem->FirstAttribute();
-    while (attr)
-    {
-        //printf("walk_elem_attr(%s=\"%s\") ", attr->Name(), attr->Value());
-
-        parser->addAttribute(attr->Name(), attr->Value());
-        attr = attr->Next();
-    }
-    //printf("\n");
-
-    const TiXmlNode* node = elem->FirstChild();
-    while (node)
-    {
-        if (node->ToElement())
-            walk_elem(parser, node->ToElement());
-        else if (node->ToText())
-            parser->text(node->Value(), strlen(node->Value()));
-        node = node->NextSibling();
-    }
-
-    parser->endElement(elem->Value());
-}
-
-static bool load_buf(SkXMLParser* parser, const char buf[])
-{
-    TiXmlDocument                   doc;
-
-    (void)doc.Parse(buf);
-    if (doc.Error())
-    {
-        printf("tinyxml error: <%s> row[%d] col[%d]\n", doc.ErrorDesc(), doc.ErrorRow(), doc.ErrorCol());
-        return false;
-    }
-
-    walk_elem(parser, doc.RootElement());
-    return true;
-}
-
-bool SkXMLParser::parse(SkStream& stream)
-{
-    size_t size = stream.getLength();
-
-    SkAutoMalloc    buffer(size + 1);
-    char*           buf = (char*)buffer.get();
-
-    stream.read(buf, size);
-    buf[size] = 0;
-
-    return load_buf(this, buf);
-}
-
-bool SkXMLParser::parse(const char doc[], size_t len)
-{
-    SkAutoMalloc    buffer(len + 1);
-    char*           buf = (char*)buffer.get();
-
-    memcpy(buf, doc, len);
-    buf[len] = 0;
-
-    return load_buf(this, buf);
-}
-
-void SkXMLParser::GetNativeErrorString(int error, SkString* str)
-{
-    if (str)
-        str->set("GetNativeErrorString not implemented for TinyXml");
-}
diff --git a/src/ports/SkXMLPullParser_expat.cpp b/src/ports/SkXMLPullParser_expat.cpp
deleted file mode 100644
index 44a3c7f81e..0000000000
--- a/src/ports/SkXMLPullParser_expat.cpp
+++ /dev/null
@@ -1,213 +0,0 @@
-
-/*
- * Copyright 2006 The Android Open Source Project
- *
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
-
-
-#include "SkXMLParser.h"
-#include "SkChunkAlloc.h"
-#include "SkString.h"
-#include "SkStream.h"
-
-#include "expat.h"
-
-static inline char* dupstr(SkChunkAlloc& chunk, const char src[], size_t len)
-{
-    SkASSERT(src);
-    char*   dst = (char*)chunk.alloc(len + 1, SkChunkAlloc::kThrow_AllocFailType);
-
-    memcpy(dst, src, len);
-    dst[len] = 0;
-    return dst;
-}
-
-static inline int count_pairs(const char** p)
-{
-    const char** start = p;
-    while (*p)
-    {
-        SkASSERT(p[1] != NULL);
-        p += 2;
-    }
-    return (p - start) >> 1;
-}
-
-struct Data {
-    Data() : fAlloc(2048), fState(NORMAL) {}
-
-    XML_Parser              fParser;
-    SkXMLPullParser::Curr*  fCurr;
-    SkChunkAlloc            fAlloc;
-
-    enum State {
-        NORMAL,
-        MISSED_START_TAG,
-        RETURN_END_TAG
-    };
-    State fState;
-    const char* fEndTag;    // if state is RETURN_END_TAG
-};
-
-static void XMLCALL start_proc(void *data, const char *el, const char **attr)
-{
-    Data*                   p = (Data*)data;
-    SkXMLPullParser::Curr*  c = p->fCurr;
-    SkChunkAlloc&           alloc = p->fAlloc;
-
-    c->fName = dupstr(alloc, el, strlen(el));
-
-    int n = count_pairs(attr);
-    SkXMLPullParser::AttrInfo* info = (SkXMLPullParser::AttrInfo*)alloc.alloc(n * sizeof(SkXMLPullParser::AttrInfo),
-                                                                              SkChunkAlloc::kThrow_AllocFailType);
-    c->fAttrInfoCount = n;
-    c->fAttrInfos = info;
-
-    for (int i = 0; i < n; i++)
-    {
-        info[i].fName = dupstr(alloc, attr[0], strlen(attr[0]));
-        info[i].fValue = dupstr(alloc, attr[1], strlen(attr[1]));
-        attr += 2;
-    }
-
-    c->fEventType = SkXMLPullParser::START_TAG;
-    XML_StopParser(p->fParser, true);
-}
-
-static void XMLCALL end_proc(void *data, const char *el)
-{
-    Data*                   p = (Data*)data;
-    SkXMLPullParser::Curr*  c = p->fCurr;
-
-    if (c->fEventType == SkXMLPullParser::START_TAG)
-    {
-        /*  if we get here, we were called with a start_tag immediately
-            followed by this end_tag. The caller will only see the end_tag,
-            so we set a flag to notify them of the missed start_tag
-        */
-        p->fState = Data::MISSED_START_TAG;
-
-        SkASSERT(c->fName != NULL);
-        SkASSERT(strcmp(c->fName, el) == 0);
-    }
-    else
-        c->fName = dupstr(p->fAlloc, el, strlen(el));
-
-    c->fEventType = SkXMLPullParser::END_TAG;
-    XML_StopParser(p->fParser, true);
-}
-
-#include <ctype.h>
-
-static bool isws(const char s[])
-{
-    for (; *s; s++)
-        if (!isspace(*s))
-            return false;
-    return true;
-}
-
-static void XMLCALL text_proc(void* data, const char* text, int len)
-{
-    Data*                   p = (Data*)data;
-    SkXMLPullParser::Curr*  c = p->fCurr;
-
-    c->fName = dupstr(p->fAlloc, text, len);
-    c->fIsWhitespace = isws(c->fName);
-
-    c->fEventType = SkXMLPullParser::TEXT;
-    XML_StopParser(p->fParser, true);
-}
-
-//////////////////////////////////////////////////////////////////////////
-
-struct SkXMLPullParser::Impl {
-    Data    fData;
-    void*   fBuffer;
-    size_t  fBufferLen;
-};
-
-static void reportError(XML_Parser parser)
-{
-    XML_Error code = XML_GetErrorCode(parser);
-    int lineNumber = XML_GetCurrentLineNumber(parser);
-    const char* msg = XML_ErrorString(code);
-
-    printf("-------- XML error [%d] on line %d, %s\n", code, lineNumber, msg);
-}
-
-bool SkXMLPullParser::onInit()
-{
-    fImpl = new Impl;
-
-    XML_Parser p = XML_ParserCreate(NULL);
-    SkASSERT(p);
-
-    fImpl->fData.fParser = p;
-    fImpl->fData.fCurr = &fCurr;
-
-    XML_SetElementHandler(p, start_proc, end_proc);
-    XML_SetCharacterDataHandler(p, text_proc);
-    XML_SetUserData(p, &fImpl->fData);
-
-    size_t len = fStream->getLength();
-    fImpl->fBufferLen = len;
-    fImpl->fBuffer = sk_malloc_throw(len);
-    fStream->rewind();
-    size_t  len2 = fStream->read(fImpl->fBuffer, len);
-    return len2 == len;
-}
-
-void SkXMLPullParser::onExit()
-{
-    sk_free(fImpl->fBuffer);
-    XML_ParserFree(fImpl->fData.fParser);
-    delete fImpl;
-    fImpl = NULL;
-}
-
-SkXMLPullParser::EventType SkXMLPullParser::onNextToken()
-{
-    if (Data::RETURN_END_TAG == fImpl->fData.fState)
-    {
-        fImpl->fData.fState = Data::NORMAL;
-        fCurr.fName = fImpl->fData.fEndTag; // restore name from (below) save
-        return SkXMLPullParser::END_TAG;
-    }
-
-    fImpl->fData.fAlloc.reset();
-
-    XML_Parser p = fImpl->fData.fParser;
-    XML_Status status;
-
-    status = XML_ResumeParser(p);
-
-CHECK_STATUS:
-    switch (status) {
-    case XML_STATUS_OK:
-        return SkXMLPullParser::END_DOCUMENT;
-
-    case XML_STATUS_ERROR:
-        if (XML_GetErrorCode(p) != XML_ERROR_NOT_SUSPENDED)
-        {
-            reportError(p);
-            return SkXMLPullParser::ERROR;
-        }
-        status = XML_Parse(p, (const char*)fImpl->fBuffer, fImpl->fBufferLen, true);
-        goto CHECK_STATUS;
-
-    case XML_STATUS_SUSPENDED:
-        if (Data::MISSED_START_TAG == fImpl->fData.fState)
-        {
-            // return a start_tag, and clear the flag so we return end_tag next
-            SkASSERT(SkXMLPullParser::END_TAG == fCurr.fEventType);
-            fImpl->fData.fState = Data::RETURN_END_TAG;
-            fImpl->fData.fEndTag = fCurr.fName;  // save this pointer
-            return SkXMLPullParser::START_TAG;
-        }
-        break;
-    }
-    return fCurr.fEventType;
-}