Remove the remainder of the skia source code from the Chromium repo....

skia/ports/SkFontHost_tables.cpp

Index: skia/ports/SkFontHost_tables.cpp
===================================================================
--- skia/ports/SkFontHost_tables.cpp	(revision 16859)
+++ skia/ports/SkFontHost_tables.cpp	(working copy)
@@ -1,183 +0,0 @@
-#include "SkEndian.h"
-#include "SkFontHost.h"
-#include "SkStream.h"
-
-struct SkSFNTHeader {
-    uint32_t    fVersion;
-    uint16_t    fNumTables;
-    uint16_t    fSearchRange;
-    uint16_t    fEntrySelector;
-    uint16_t    fRangeShift;
-};
-
-struct SkTTCFHeader {
-    uint32_t    fTag;
-    uint32_t    fVersion;
-    uint32_t    fNumOffsets;
-    uint32_t    fOffset0;   // the first of N (fNumOffsets)
-};
-
-union SkSharedTTHeader {
-    SkSFNTHeader    fSingle;
-    SkTTCFHeader    fCollection;
-};
-
-struct SkSFNTDirEntry {
-    uint32_t    fTag;
-    uint32_t    fChecksum;
-    uint32_t    fOffset;
-    uint32_t    fLength;
-};
-
-static int count_tables(SkStream* stream, size_t* offsetToDir = NULL) {
-    SkSharedTTHeader shared;
-    if (stream->read(&shared, sizeof(shared)) != sizeof(shared)) {
-        return 0;
-    }
-
-    uint32_t tag = SkEndian_SwapBE32(shared.fCollection.fTag);
-    if (SkSetFourByteTag('t', 't', 'c', 'f') == tag) {
-        if (shared.fCollection.fNumOffsets == 0) {
-            return 0;
-        }
-        size_t offset = SkEndian_SwapBE32(shared.fCollection.fOffset0);
-        stream->rewind();
-        if (stream->skip(offset) != offset) {
-            return 0;
-        }
-        if (stream->read(&shared, sizeof(shared)) != sizeof(shared)) {
-            return 0;
-        }
-        if (offsetToDir) {
-            *offsetToDir = offset;
-        }
-    } else {
-        *offsetToDir = 0;
-    }
-
-    return SkEndian_SwapBE16(shared.fSingle.fNumTables);
-}
-
-///////////////////////////////////////////////////////////////////////////////
-
-struct SfntHeader {
-    SfntHeader() : fCount(0), fDir(NULL) {}
-    ~SfntHeader() { sk_free(fDir); }
-
-    bool init(SkStream* stream) {
-        size_t offsetToDir;
-        fCount = count_tables(stream, &offsetToDir);
-        if (0 == fCount) {
-            return false;
-        }
-
-        stream->rewind();
-        const size_t tableRecordOffset = offsetToDir + sizeof(SkSFNTHeader);
-        if (stream->skip(tableRecordOffset) != tableRecordOffset) {
-            return false;
-        }
-
-        size_t size = fCount * sizeof(SkSFNTDirEntry);
-        fDir = reinterpret_cast<SkSFNTDirEntry*>(sk_malloc_throw(size));
-        return stream->read(fDir, size) == size;
-    }
-
-    int             fCount;
-    SkSFNTDirEntry* fDir;
-};
-
-///////////////////////////////////////////////////////////////////////////////
-
-int SkFontHost::CountTables(SkFontID fontID) {
-    SkStream* stream = SkFontHost::OpenStream(fontID);
-    if (NULL == stream) {
-        return 0;
-    }
-
-    SkAutoUnref au(stream);
-    return count_tables(stream);
-}
-
-int SkFontHost::GetTableTags(SkFontID fontID, SkFontTableTag tags[]) {
-    SkStream* stream = SkFontHost::OpenStream(fontID);
-    if (NULL == stream) {
-        return 0;
-    }
-
-    SkAutoUnref au(stream);
-    SfntHeader  header;
-    if (!header.init(stream)) {
-        return 0;
-    }
-
-    for (int i = 0; i < header.fCount; i++) {
-        tags[i] = SkEndian_SwapBE32(header.fDir[i].fTag);
-    }
-    return header.fCount;
-}
-
-size_t SkFontHost::GetTableSize(SkFontID fontID, SkFontTableTag tag) {
-    SkStream* stream = SkFontHost::OpenStream(fontID);
-    if (NULL == stream) {
-        return 0;
-    }
-
-    SkAutoUnref au(stream);
-    SfntHeader  header;
-    if (!header.init(stream)) {
-        return 0;
-    }
-
-    for (int i = 0; i < header.fCount; i++) {
-        if (SkEndian_SwapBE32(header.fDir[i].fTag) == tag) {
-            return SkEndian_SwapBE32(header.fDir[i].fLength);
-        }
-    }
-    return 0;
-}
-
-size_t SkFontHost::GetTableData(SkFontID fontID, SkFontTableTag tag,
-                                size_t offset, size_t length, void* data) {
-    SkStream* stream = SkFontHost::OpenStream(fontID);
-    if (NULL == stream) {
-        return 0;
-    }
-
-    SkAutoUnref au(stream);
-    SfntHeader  header;
-    if (!header.init(stream)) {
-        return 0;
-    }
-
-    for (int i = 0; i < header.fCount; i++) {
-        if (SkEndian_SwapBE32(header.fDir[i].fTag) == tag) {
-            size_t realOffset = SkEndian_SwapBE32(header.fDir[i].fOffset);
-            size_t realLength = SkEndian_SwapBE32(header.fDir[i].fLength);
-            // now sanity check the caller's offset/length
-            if (offset >= realLength) {
-                return 0;
-            }
-            // if the caller is trusting the length from the file, then a
-            // hostile file might choose a value which would overflow offset +
-            // length.
-            if (offset + length < offset) {
-                return 0;
-            }
-            if (offset + length > realLength) {
-                length = realLength - offset;
-            }
-            // skip the stream to the part of the table we want to copy from
-            stream->rewind();
-            size_t bytesToSkip = realOffset + offset;
-            if (stream->skip(bytesToSkip) != bytesToSkip) {
-                return 0;
-            }
-            if (stream->read(data, length) != length) {
-                return 0;
-            }
-            return length;
-        }
-    }
-    return 0;
-}
-