//
// Copyright 2006 The Android Open Source Project
//
// Build resource files from raw assets.
//
#include "XMLNode.h"
#include "ResourceTable.h"
#include <host/pseudolocalize.h>
#include <utils/ByteOrder.h>
#include <errno.h>
#include <string.h>
#ifndef HAVE_MS_C_RUNTIME
#define O_BINARY 0
#endif
#define NOISY(x) //x
#define NOISY_PARSE(x) //x
const char* const RESOURCES_ROOT_NAMESPACE = "http://schemas.android.com/apk/res/";
const char* const RESOURCES_ANDROID_NAMESPACE = "http://schemas.android.com/apk/res/android";
const char* const RESOURCES_ROOT_PRV_NAMESPACE = "http://schemas.android.com/apk/prv/res/";
const char* const XLIFF_XMLNS = "urn:oasis:names:tc:xliff:document:1.2";
const char* const ALLOWED_XLIFF_ELEMENTS[] = {
"bpt",
"ept",
"it",
"ph",
"g",
"bx",
"ex",
"x"
};
bool isWhitespace(const char16_t* str)
{
while (*str != 0 && *str < 128 && isspace(*str)) {
str++;
}
return *str == 0;
}
static const String16 RESOURCES_PREFIX(RESOURCES_ROOT_NAMESPACE);
static const String16 RESOURCES_PRV_PREFIX(RESOURCES_ROOT_PRV_NAMESPACE);
String16 getNamespaceResourcePackage(String16 namespaceUri, bool* outIsPublic)
{
//printf("%s starts with %s?\n", String8(namespaceUri).string(),
// String8(RESOURCES_PREFIX).string());
size_t prefixSize;
bool isPublic = true;
if (namespaceUri.startsWith(RESOURCES_PREFIX)) {
prefixSize = RESOURCES_PREFIX.size();
} else if (namespaceUri.startsWith(RESOURCES_PRV_PREFIX)) {
isPublic = false;
prefixSize = RESOURCES_PRV_PREFIX.size();
} else {
if (outIsPublic) *outIsPublic = isPublic; // = true
return String16();
}
//printf("YES!\n");
//printf("namespace: %s\n", String8(String16(namespaceUri, namespaceUri.size()-prefixSize, prefixSize)).string());
if (outIsPublic) *outIsPublic = isPublic;
return String16(namespaceUri, namespaceUri.size()-prefixSize, prefixSize);
}
status_t hasSubstitutionErrors(const char* fileName,
ResXMLTree* inXml,
String16 str16)
{
const char16_t* str = str16.string();
const char16_t* p = str;
const char16_t* end = str + str16.size();
bool nonpositional = false;
int argCount = 0;
while (p < end) {
/*
* Look for the start of a Java-style substitution sequence.
*/
if (*p == '%' && p + 1 < end) {
p++;
// A literal percent sign represented by %%
if (*p == '%') {
p++;
continue;
}
argCount++;
if (*p >= '0' && *p <= '9') {
do {
p++;
} while (*p >= '0' && *p <= '9');
if (*p != '$') {
// This must be a size specification instead of position.
nonpositional = true;
}
} else if (*p == '<') {
// Reusing last argument; bad idea since it can be re-arranged.
nonpositional = true;
p++;
// Optionally '$' can be specified at the end.
if (p < end && *p == '$') {
p++;
}
} else {
nonpositional = true;
}
// Ignore flags and widths
while (p < end && (*p == '-' ||
*p == '#' ||
*p == '+' ||
*p == ' ' ||
*p == ',' ||
*p == '(' ||
(*p >= '0' && *p <= '9'))) {
p++;
}
/*
* This is a shortcut to detect strings that are going to Time.format()
* instead of String.format()
*
* Comparison of String.format() and Time.format() args:
*
* String: ABC E GH ST X abcdefgh nost x
* Time: DEFGHKMS W Za d hkm s w yz
*
* Therefore we know it's definitely Time if we have:
* DFKMWZkmwyz
*/
if (p < end) {
switch (*p) {
case 'D':
case 'F':
case 'K':
case 'M':
case 'W':
case 'Z':
case 'k':
case 'm':
case 'w':
case 'y':
case 'z':
return NO_ERROR;
}
}
}
p++;
}
/*
* If we have more than one substitution in this string and any of them
* are not in positional form, give the user an error.
*/
if (argCount > 1 && nonpositional) {
SourcePos(String8(fileName), inXml->getLineNumber()).error(
"Multiple substitutions specified in non-positional format; "
"did you mean to add the formatted=\"false\" attribute?\n");
return NOT_ENOUGH_DATA;
}
return NO_ERROR;
}
status_t parseStyledString(Bundle* bundle,
const char* fileName,
ResXMLTree* inXml,
const String16& endTag,
String16* outString,
Vector<StringPool::entry_style_span>* outSpans,
bool isFormatted,
bool pseudolocalize)
{
Vector<StringPool::entry_style_span> spanStack;
String16 curString;
String16 rawString;
const char* errorMsg;
int xliffDepth = 0;
bool firstTime = true;
size_t len;
ResXMLTree::event_code_t code;
while ((code=inXml->next()) != ResXMLTree::END_DOCUMENT && code != ResXMLTree::BAD_DOCUMENT) {
if (code == ResXMLTree::TEXT) {
String16 text(inXml->getText(&len));
if (firstTime && text.size() > 0) {
firstTime = false;
if (text.string()[0] == '@') {
// If this is a resource reference, don't do the pseudoloc.
pseudolocalize = false;
}
}
if (xliffDepth == 0 && pseudolocalize) {
std::string orig(String8(text).string());
std::string pseudo = pseudolocalize_string(orig);
curString.append(String16(String8(pseudo.c_str())));
} else {
if (isFormatted && hasSubstitutionErrors(fileName, inXml, text) != NO_ERROR) {
return UNKNOWN_ERROR;
} else {
curString.append(text);
}
}
} else if (code == ResXMLTree::START_TAG) {
const String16 element16(inXml->getElementName(&len));
const String8 element8(element16);
size_t nslen;
const uint16_t* ns = inXml->getElementNamespace(&nslen);
if (ns == NULL) {
ns = (const uint16_t*)"\0\0";
nslen = 0;
}
const String8 nspace(String16(ns, nslen));
if (nspace == XLIFF_XMLNS) {
const int N = sizeof(ALLOWED_XLIFF_ELEMENTS)/sizeof(ALLOWED_XLIFF_ELEMENTS[0]);
for (int i=0; i<N; i++) {
if (element8 == ALLOWED_XLIFF_ELEMENTS[i]) {
xliffDepth++;
// in this case, treat it like it was just text, in other words, do nothing
// here and silently drop this element
goto moveon;
}
}
{
SourcePos(String8(fileName), inXml->getLineNumber()).error(
"Found unsupported XLIFF tag <%s>\n",
element8.string());
return UNKNOWN_ERROR;
}
moveon:
continue;
}
if (outSpans == NULL) {
SourcePos(String8(fileName), inXml->getLineNumber()).error(
"Found style tag <%s> where styles are not allowed\n", element8.string());
return UNKNOWN_ERROR;
}
if (!ResTable::collectString(outString, curString.string(),
curString.size(), false, &errorMsg, true)) {
SourcePos(String8(fileName), inXml->getLineNumber()).error("%s (in %s)\n",
errorMsg, String8(curString).string());
return UNKNOWN_ERROR;
}
rawString.append(curString);
curString = String16();
StringPool::entry_style_span span;
span.name = element16;
for (size_t ai=0; ai<inXml->getAttributeCount(); ai++) {
span.name.append(String16(";"));
const char16_t* str = inXml->getAttributeName(ai, &len);
span.name.append(str, len);
span.name.append(String16("="));
str = inXml->getAttributeStringValue(ai, &len);
span.name.append(str, len);
}
//printf("Span: %s\n", String8(span.name).string());
span.span.firstChar = span.span.lastChar = outString->size();
spanStack.push(span);
} else if (code == ResXMLTree::END_TAG) {
size_t nslen;
const uint16_t* ns = inXml->getElementNamespace(&nslen);
if (ns == NULL) {
ns = (const uint16_t*)"\0\0";
nslen = 0;
}
const String8 nspace(String16(ns, nslen));
if (nspace == XLIFF_XMLNS) {
xliffDepth--;
continue;
}
if (!ResTable::collectString(outString, curString.string(),
curString.size(), false, &errorMsg, true)) {
SourcePos(String8(fileName), inXml->getLineNumber()).error("%s (in %s)\n",
errorMsg, String8(curString).string());
return UNKNOWN_ERROR;
}
rawString.append(curString);
curString = String16();
if (spanStack.size() == 0) {
if (strcmp16(inXml->getElementName(&len), endTag.string()) != 0) {
SourcePos(String8(fileName), inXml->getLineNumber()).error(
"Found tag %s where <%s> close is expected\n",
String8(inXml->getElementName(&len)).string(),
String8(endTag).string());
return UNKNOWN_ERROR;
}
break;
}
StringPool::entry_style_span span = spanStack.top();
String16 spanTag;
ssize_t semi = span.name.findFirst(';');
if (semi >= 0) {
spanTag.setTo(span.name.string(), semi);
} else {
spanTag.setTo(span.name);
}
if (strcmp16(inXml->getElementName(&len), spanTag.string()) != 0) {
SourcePos(String8(fileName), inXml->getLineNumber()).error(
"Found close tag %s where close tag %s is expected\n",
String8(inXml->getElementName(&len)).string(),
String8(spanTag).string());
return UNKNOWN_ERROR;
}
bool empty = true;
if (outString->size() > 0) {
span.span.lastChar = outString->size()-1;
if (span.span.lastChar >= span.span.firstChar) {
empty = false;
outSpans->add(span);
}
}
spanStack.pop();
/*
* This warning seems to be just an irritation to most people,
* since it is typically introduced by translators who then never
* see the warning.
*/
if (0 && empty) {
fprintf(stderr, "%s:%d: warning: empty '%s' span found in text '%s'\n",
fileName, inXml->getLineNumber(),
String8(spanTag).string(), String8(*outString).string());
}
} else if (code == ResXMLTree::START_NAMESPACE) {
// nothing
}
}
if (code == ResXMLTree::BAD_DOCUMENT) {
SourcePos(String8(fileName), inXml->getLineNumber()).error(
"Error parsing XML\n");
}
if (outSpans != NULL && outSpans->size() > 0) {
if (curString.size() > 0) {
if (!ResTable::collectString(outString, curString.string(),
curString.size(), false, &errorMsg, true)) {
SourcePos(String8(fileName), inXml->getLineNumber()).error(
"%s (in %s)\n",
errorMsg, String8(curString).string());
return UNKNOWN_ERROR;
}
}
} else {
// There is no style information, so string processing will happen
// later as part of the overall type conversion. Return to the
// client the raw unprocessed text.
rawString.append(curString);
outString->setTo(rawString);
}
return NO_ERROR;
}
struct namespace_entry {
String8 prefix;
String8 uri;
};
static String8 make_prefix(int depth)
{
String8 prefix;
int i;
for (i=0; i<depth; i++) {
prefix.append(" ");
}
return prefix;
}
static String8 build_namespace(const Vector<namespace_entry>& namespaces,
const uint16_t* ns)
{
String8 str;
if (ns != NULL) {
str = String8(ns);
const size_t N = namespaces.size();
for (size_t i=0; i<N; i++) {
const namespace_entry& ne = namespaces.itemAt(i);
if (ne.uri == str) {
str = ne.prefix;
break;
}
}
str.append(":");
}
return str;
}
void printXMLBlock(ResXMLTree* block)
{
block->restart();
Vector<namespace_entry> namespaces;
ResXMLTree::event_code_t code;
int depth = 0;
while ((code=block->next()) != ResXMLTree::END_DOCUMENT && code != ResXMLTree::BAD_DOCUMENT) {
String8 prefix = make_prefix(depth);
int i;
if (code == ResXMLTree::START_TAG) {
size_t len;
const uint16_t* ns16 = block->getElementNamespace(&len);
String8 elemNs = build_namespace(namespaces, ns16);
const uint16_t* com16 = block->getComment(&len);
if (com16) {
printf("%s <!-- %s -->\n", prefix.string(), String8(com16).string());
}
printf("%sE: %s%s (line=%d)\n", prefix.string(), elemNs.string(),
String8(block->getElementName(&len)).string(),
block->getLineNumber());
int N = block->getAttributeCount();
depth++;
prefix = make_prefix(depth);
for (i=0; i<N; i++) {
uint32_t res = block->getAttributeNameResID(i);
ns16 = block->getAttributeNamespace(i, &len);
String8 ns = build_namespace(namespaces, ns16);
String8 name(block->getAttributeName(i, &len));
printf("%sA: ", prefix.string());
if (res) {
printf("%s%s(0x%08x)", ns.string(), name.string(), res);
} else {
printf("%s%s", ns.string(), name.string());
}
Res_value value;
block->getAttributeValue(i, &value);
if (value.dataType == Res_value::TYPE_NULL) {
printf("=(null)");
} else if (value.dataType == Res_value::TYPE_REFERENCE) {
printf("=@0x%x", (int)value.data);
} else if (value.dataType == Res_value::TYPE_ATTRIBUTE) {
printf("=?0x%x", (int)value.data);
} else if (value.dataType == Res_value::TYPE_STRING) {
printf("=\"%s\"",
String8(block->getAttributeStringValue(i, &len)).string());
} else {
printf("=(type 0x%x)0x%x", (int)value.dataType, (int)value.data);
}
const char16_t* val = block->getAttributeStringValue(i, &len);
if (val != NULL) {
printf(" (Raw: \"%s\")", String8(val).string());
}
printf("\n");
}
} else if (code == ResXMLTree::END_TAG) {
depth--;
} else if (code == ResXMLTree::START_NAMESPACE) {
namespace_entry ns;
size_t len;
const uint16_t* prefix16 = block->getNamespacePrefix(&len);
if (prefix16) {
ns.prefix = String8(prefix16);
} else {
ns.prefix = "<DEF>";
}
ns.uri = String8(block->getNamespaceUri(&len));
namespaces.push(ns);
printf("%sN: %s=%s\n", prefix.string(), ns.prefix.string(),
ns.uri.string());
depth++;
} else if (code == ResXMLTree::END_NAMESPACE) {
depth--;
const namespace_entry& ns = namespaces.top();
size_t len;
const uint16_t* prefix16 = block->getNamespacePrefix(&len);
String8 pr;
if (prefix16) {
pr = String8(prefix16);
} else {
pr = "<DEF>";
}
if (ns.prefix != pr) {
prefix = make_prefix(depth);
printf("%s*** BAD END NS PREFIX: found=%s, expected=%s\n",
prefix.string(), pr.string(), ns.prefix.string());
}
String8 uri = String8(block->getNamespaceUri(&len));
if (ns.uri != uri) {
prefix = make_prefix(depth);
printf("%s *** BAD END NS URI: found=%s, expected=%s\n",
prefix.string(), uri.string(), ns.uri.string());
}
namespaces.pop();
} else if (code == ResXMLTree::TEXT) {
size_t len;
printf("%sC: \"%s\"\n", prefix.string(), String8(block->getText(&len)).string());
}
}
block->restart();
}
status_t parseXMLResource(const sp<AaptFile>& file, ResXMLTree* outTree,
bool stripAll, bool keepComments,
const char** cDataTags)
{
sp<XMLNode> root = XMLNode::parse(file);
if (root == NULL) {
return UNKNOWN_ERROR;
}
root->removeWhitespace(stripAll, cDataTags);
NOISY(printf("Input XML from %s:\n", (const char*)file->getPrintableSource()));
NOISY(root->print());
sp<AaptFile> rsc = new AaptFile(String8(), AaptGroupEntry(), String8());
status_t err = root->flatten(rsc, !keepComments, false);
if (err != NO_ERROR) {
return err;
}
err = outTree->setTo(rsc->getData(), rsc->getSize(), true);
if (err != NO_ERROR) {
return err;
}
NOISY(printf("Output XML:\n"));
NOISY(printXMLBlock(outTree));
return NO_ERROR;
}
sp<XMLNode> XMLNode::parse(const sp<AaptFile>& file)
{
char buf[16384];
int fd = open(file->getSourceFile().string(), O_RDONLY | O_BINARY);
if (fd < 0) {
SourcePos(file->getSourceFile(), -1).error("Unable to open file for read: %s",
strerror(errno));
return NULL;
}
XML_Parser parser = XML_ParserCreateNS(NULL, 1);
ParseState state;
state.filename = file->getPrintableSource();
state.parser = parser;
XML_SetUserData(parser, &state);
XML_SetElementHandler(parser, startElement, endElement);
XML_SetNamespaceDeclHandler(parser, startNamespace, endNamespace);
XML_SetCharacterDataHandler(parser, characterData);
XML_SetCommentHandler(parser, commentData);
ssize_t len;
bool done;
do {
len = read(fd, buf, sizeof(buf));
done = len < (ssize_t)sizeof(buf);
if (len < 0) {
SourcePos(file->getSourceFile(), -1).error("Error reading file: %s\n", strerror(errno));
close(fd);
return NULL;
}
if (XML_Parse(parser, buf, len, done) == XML_STATUS_ERROR) {
SourcePos(file->getSourceFile(), (int)XML_GetCurrentLineNumber(parser)).error(
"Error parsing XML: %s\n", XML_ErrorString(XML_GetErrorCode(parser)));
close(fd);
return NULL;
}
} while (!done);
XML_ParserFree(parser);
if (state.root == NULL) {
SourcePos(file->getSourceFile(), -1).error("No XML data generated when parsing");
}
close(fd);
return state.root;
}
XMLNode::XMLNode(const String8& filename, const String16& s1, const String16& s2, bool isNamespace)
: mNextAttributeIndex(0x80000000)
, mFilename(filename)
, mStartLineNumber(0)
, mEndLineNumber(0)
, mUTF8(false)
{
if (isNamespace) {
mNamespacePrefix = s1;
mNamespaceUri = s2;
} else {
mNamespaceUri = s1;
mElementName = s2;
}
}
XMLNode::XMLNode(const String8& filename)
: mFilename(filename)
{
memset(&mCharsValue, 0, sizeof(mCharsValue));
}
XMLNode::type XMLNode::getType() const
{
if (mElementName.size() != 0) {
return TYPE_ELEMENT;
}
if (mNamespaceUri.size() != 0) {
return TYPE_NAMESPACE;
}
return TYPE_CDATA;
}
const String16& XMLNode::getNamespacePrefix() const
{
return mNamespacePrefix;
}
const String16& XMLNode::getNamespaceUri() const
{
return mNamespaceUri;
}
const String16& XMLNode::getElementNamespace() const
{
return mNamespaceUri;
}
const String16& XMLNode::getElementName() const
{
return mElementName;
}
const Vector<sp<XMLNode> >& XMLNode::getChildren() const
{
return mChildren;
}
const String8& XMLNode::getFilename() const
{
return mFilename;
}
const Vector<XMLNode::attribute_entry>&
XMLNode::getAttributes() const
{
return mAttributes;
}
const XMLNode::attribute_entry* XMLNode::getAttribute(const String16& ns,
const String16& name) const
{
for (size_t i=0; i<mAttributes.size(); i++) {
const attribute_entry& ae(mAttributes.itemAt(i));
if (ae.ns == ns && ae.name == name) {
return &ae;
}
}
return NULL;
}
XMLNode::attribute_entry* XMLNode::editAttribute(const String16& ns,
const String16& name)
{
for (size_t i=0; i<mAttributes.size(); i++) {
attribute_entry * ae = &mAttributes.editItemAt(i);
if (ae->ns == ns && ae->name == name) {
return ae;
}
}
return NULL;
}
const String16& XMLNode::getCData() const
{
return mChars;
}
const String16& XMLNode::getComment() const
{
return mComment;
}
int32_t XMLNode::getStartLineNumber() const
{
return mStartLineNumber;
}
int32_t XMLNode::getEndLineNumber() const
{
return mEndLineNumber;
}
sp<XMLNode> XMLNode::searchElement(const String16& tagNamespace, const String16& tagName)
{
if (getType() == XMLNode::TYPE_ELEMENT
&& mNamespaceUri == tagNamespace
&& mElementName == tagName) {
return this;
}
for (size_t i=0; i<mChildren.size(); i++) {
sp<XMLNode> found = mChildren.itemAt(i)->searchElement(tagNamespace, tagName);
if (found != NULL) {
return found;
}
}
return NULL;
}
sp<XMLNode> XMLNode::getChildElement(const String16& tagNamespace, const String16& tagName)
{
for (size_t i=0; i<mChildren.size(); i++) {
sp<XMLNode> child = mChildren.itemAt(i);
if (child->getType() == XMLNode::TYPE_ELEMENT
&& child->mNamespaceUri == tagNamespace
&& child->mElementName == tagName) {
return child;
}
}
return NULL;
}
status_t XMLNode::addChild(const sp<XMLNode>& child)
{
if (getType() == TYPE_CDATA) {
SourcePos(mFilename, child->getStartLineNumber()).error("Child to CDATA node.");
return UNKNOWN_ERROR;
}
//printf("Adding child %p to parent %p\n", child.get(), this);
mChildren.add(child);
return NO_ERROR;
}
status_t XMLNode::insertChildAt(const sp<XMLNode>& child, size_t index)
{
if (getType() == TYPE_CDATA) {
SourcePos(mFilename, child->getStartLineNumber()).error("Child to CDATA node.");
return UNKNOWN_ERROR;
}
//printf("Adding child %p to parent %p\n", child.get(), this);
mChildren.insertAt(child, index);
return NO_ERROR;
}
status_t XMLNode::addAttribute(const String16& ns, const String16& name,
const String16& value)
{
if (getType() == TYPE_CDATA) {
SourcePos(mFilename, getStartLineNumber()).error("Child to CDATA node.");
return UNKNOWN_ERROR;
}
attribute_entry e;
e.index = mNextAttributeIndex++;
e.ns = ns;
e.name = name;
e.string = value;
mAttributes.add(e);
mAttributeOrder.add(e.index, mAttributes.size()-1);
return NO_ERROR;
}
void XMLNode::setAttributeResID(size_t attrIdx, uint32_t resId)
{
attribute_entry& e = mAttributes.editItemAt(attrIdx);
if (e.nameResId) {
mAttributeOrder.removeItem(e.nameResId);
} else {
mAttributeOrder.removeItem(e.index);
}
NOISY(printf("Elem %s %s=\"%s\": set res id = 0x%08x\n",
String8(getElementName()).string(),
String8(mAttributes.itemAt(attrIdx).name).string(),
String8(mAttributes.itemAt(attrIdx).string).string(),
resId));
mAttributes.editItemAt(attrIdx).nameResId = resId;
mAttributeOrder.add(resId, attrIdx);
}
status_t XMLNode::appendChars(const String16& chars)
{
if (getType() != TYPE_CDATA) {
SourcePos(mFilename, getStartLineNumber()).error("Adding characters to element node.");
return UNKNOWN_ERROR;
}
mChars.append(chars);
return NO_ERROR;
}
status_t XMLNode::appendComment(const String16& comment)
{
if (mComment.size() > 0) {
mComment.append(String16("\n"));
}
mComment.append(comment);
return NO_ERROR;
}
void XMLNode::setStartLineNumber(int32_t line)
{
mStartLineNumber = line;
}
void XMLNode::setEndLineNumber(int32_t line)
{
mEndLineNumber = line;
}
void XMLNode::removeWhitespace(bool stripAll, const char** cDataTags)
{
//printf("Removing whitespace in %s\n", String8(mElementName).string());
size_t N = mChildren.size();
if (cDataTags) {
String8 tag(mElementName);
const char** p = cDataTags;
while (*p) {
if (tag == *p) {
stripAll = false;
break;
}
}
}
for (size_t i=0; i<N; i++) {
sp<XMLNode> node = mChildren.itemAt(i);
if (node->getType() == TYPE_CDATA) {
// This is a CDATA node...
const char16_t* p = node->mChars.string();
while (*p != 0 && *p < 128 && isspace(*p)) {
p++;
}
//printf("Space ends at %d in \"%s\"\n",
// (int)(p-node->mChars.string()),
// String8(node->mChars).string());
if (*p == 0) {
if (stripAll) {
// Remove this node!
mChildren.removeAt(i);
N--;
i--;
} else {
node->mChars = String16(" ");
}
} else {
// Compact leading/trailing whitespace.
const char16_t* e = node->mChars.string()+node->mChars.size()-1;
while (e > p && *e < 128 && isspace(*e)) {
e--;
}
if (p > node->mChars.string()) {
p--;
}
if (e < (node->mChars.string()+node->mChars.size()-1)) {
e++;
}
if (p > node->mChars.string() ||
e < (node->mChars.string()+node->mChars.size()-1)) {
String16 tmp(p, e-p+1);
node->mChars = tmp;
}
}
} else {
node->removeWhitespace(stripAll, cDataTags);
}
}
}
status_t XMLNode::parseValues(const sp<AaptAssets>& assets,
ResourceTable* table)
{
bool hasErrors = false;
if (getType() == TYPE_ELEMENT) {
const size_t N = mAttributes.size();
String16 defPackage(assets->getPackage());
for (size_t i=0; i<N; i++) {
attribute_entry& e = mAttributes.editItemAt(i);
AccessorCookie ac(SourcePos(mFilename, getStartLineNumber()), String8(e.name),
String8(e.string));
table->setCurrentXmlPos(SourcePos(mFilename, getStartLineNumber()));
if (!assets->getIncludedResources()
.stringToValue(&e.value, &e.string,
e.string.string(), e.string.size(), true, true,
e.nameResId, NULL, &defPackage, table, &ac)) {
hasErrors = true;
}
NOISY(printf("Attr %s: type=0x%x, str=%s\n",
String8(e.name).string(), e.value.dataType,
String8(e.string).string()));
}
}
const size_t N = mChildren.size();
for (size_t i=0; i<N; i++) {
status_t err = mChildren.itemAt(i)->parseValues(assets, table);
if (err != NO_ERROR) {
hasErrors = true;
}
}
return hasErrors ? UNKNOWN_ERROR : NO_ERROR;
}
status_t XMLNode::assignResourceIds(const sp<AaptAssets>& assets,
const ResourceTable* table)
{
bool hasErrors = false;
if (getType() == TYPE_ELEMENT) {
String16 attr("attr");
const char* errorMsg;
const size_t N = mAttributes.size();
for (size_t i=0; i<N; i++) {
const attribute_entry& e = mAttributes.itemAt(i);
if (e.ns.size() <= 0) continue;
bool nsIsPublic;
String16 pkg(getNamespaceResourcePackage(e.ns, &nsIsPublic));
NOISY(printf("Elem %s %s=\"%s\": namespace(%s) %s ===> %s\n",
String8(getElementName()).string(),
String8(e.name).string(),
String8(e.string).string(),
String8(e.ns).string(),
(nsIsPublic) ? "public" : "private",
String8(pkg).string()));
if (pkg.size() <= 0) continue;
uint32_t res = table != NULL
? table->getResId(e.name, &attr, &pkg, &errorMsg, nsIsPublic)
: assets->getIncludedResources().
identifierForName(e.name.string(), e.name.size(),
attr.string(), attr.size(),
pkg.string(), pkg.size());
if (res != 0) {
NOISY(printf("XML attribute name %s: resid=0x%08x\n",
String8(e.name).string(), res));
setAttributeResID(i, res);
} else {
SourcePos(mFilename, getStartLineNumber()).error(
"No resource identifier found for attribute '%s' in package '%s'\n",
String8(e.name).string(), String8(pkg).string());
hasErrors = true;
}
}
}
const size_t N = mChildren.size();
for (size_t i=0; i<N; i++) {
status_t err = mChildren.itemAt(i)->assignResourceIds(assets, table);
if (err < NO_ERROR) {
hasErrors = true;
}
}
return hasErrors ? UNKNOWN_ERROR : NO_ERROR;
}
status_t XMLNode::flatten(const sp<AaptFile>& dest,
bool stripComments, bool stripRawValues) const
{
StringPool strings = StringPool(false, mUTF8);
Vector<uint32_t> resids;
// First collect just the strings for attribute names that have a
// resource ID assigned to them. This ensures that the resource ID
// array is compact, and makes it easier to deal with attribute names
// in different namespaces (and thus with different resource IDs).
collect_resid_strings(&strings, &resids);
// Next collect all remainibng strings.
collect_strings(&strings, &resids, stripComments, stripRawValues);
#if 0 // No longer compiles
NOISY(printf("Found strings:\n");
const size_t N = strings.size();
for (size_t i=0; i<N; i++) {
printf("%s\n", String8(strings.entryAt(i).string).string());
}
);
#endif
sp<AaptFile> stringPool = strings.createStringBlock();
NOISY(aout << "String pool:"
<< HexDump(stringPool->getData(), stringPool->getSize()) << endl);
ResXMLTree_header header;
memset(&header, 0, sizeof(header));
header.header.type = htods(RES_XML_TYPE);
header.header.headerSize = htods(sizeof(header));
const size_t basePos = dest->getSize();
dest->writeData(&header, sizeof(header));
dest->writeData(stringPool->getData(), stringPool->getSize());
// If we have resource IDs, write them.
if (resids.size() > 0) {
const size_t resIdsPos = dest->getSize();
const size_t resIdsSize =
sizeof(ResChunk_header)+(sizeof(uint32_t)*resids.size());
ResChunk_header* idsHeader = (ResChunk_header*)
(((const uint8_t*)dest->editData(resIdsPos+resIdsSize))+resIdsPos);
idsHeader->type = htods(RES_XML_RESOURCE_MAP_TYPE);
idsHeader->headerSize = htods(sizeof(*idsHeader));
idsHeader->size = htodl(resIdsSize);
uint32_t* ids = (uint32_t*)(idsHeader+1);
for (size_t i=0; i<resids.size(); i++) {
*ids++ = htodl(resids[i]);
}
}
flatten_node(strings, dest, stripComments, stripRawValues);
void* data = dest->editData();
ResXMLTree_header* hd = (ResXMLTree_header*)(((uint8_t*)data)+basePos);
size_t size = dest->getSize()-basePos;
hd->header.size = htodl(dest->getSize()-basePos);
NOISY(aout << "XML resource:"
<< HexDump(dest->getData(), dest->getSize()) << endl);
#if PRINT_STRING_METRICS
fprintf(stderr, "**** total xml size: %d / %d%% strings (in %s)\n",
dest->getSize(), (stringPool->getSize()*100)/dest->getSize(),
dest->getPath().string());
#endif
return NO_ERROR;
}
void XMLNode::print(int indent)
{
String8 prefix;
int i;
for (i=0; i<indent; i++) {
prefix.append(" ");
}
if (getType() == TYPE_ELEMENT) {
String8 elemNs(getNamespaceUri());
if (elemNs.size() > 0) {
elemNs.append(":");
}
printf("%s E: %s%s", prefix.string(),
elemNs.string(), String8(getElementName()).string());
int N = mAttributes.size();
for (i=0; i<N; i++) {
ssize_t idx = mAttributeOrder.valueAt(i);
if (i == 0) {
printf(" / ");
} else {
printf(", ");
}
const attribute_entry& attr = mAttributes.itemAt(idx);
String8 attrNs(attr.ns);
if (attrNs.size() > 0) {
attrNs.append(":");
}
if (attr.nameResId) {
printf("%s%s(0x%08x)", attrNs.string(),
String8(attr.name).string(), attr.nameResId);
} else {
printf("%s%s", attrNs.string(), String8(attr.name).string());
}
printf("=%s", String8(attr.string).string());
}
printf("\n");
} else if (getType() == TYPE_NAMESPACE) {
printf("%s N: %s=%s\n", prefix.string(),
getNamespacePrefix().size() > 0
? String8(getNamespacePrefix()).string() : "<DEF>",
String8(getNamespaceUri()).string());
} else {
printf("%s C: \"%s\"\n", prefix.string(), String8(getCData()).string());
}
int N = mChildren.size();
for (i=0; i<N; i++) {
mChildren.itemAt(i)->print(indent+1);
}
}
static void splitName(const char* name, String16* outNs, String16* outName)
{
const char* p = name;
while (*p != 0 && *p != 1) {
p++;
}
if (*p == 0) {
*outNs = String16();
*outName = String16(name);
} else {
*outNs = String16(name, (p-name));
*outName = String16(p+1);
}
}
void XMLCALL
XMLNode::startNamespace(void *userData, const char *prefix, const char *uri)
{
NOISY_PARSE(printf("Start Namespace: %s %s\n", prefix, uri));
ParseState* st = (ParseState*)userData;
sp<XMLNode> node = XMLNode::newNamespace(st->filename,
String16(prefix != NULL ? prefix : ""), String16(uri));
node->setStartLineNumber(XML_GetCurrentLineNumber(st->parser));
if (st->stack.size() > 0) {
st->stack.itemAt(st->stack.size()-1)->addChild(node);
} else {
st->root = node;
}
st->stack.push(node);
}
void XMLCALL
XMLNode::startElement(void *userData, const char *name, const char **atts)
{
NOISY_PARSE(printf("Start Element: %s\n", name));
ParseState* st = (ParseState*)userData;
String16 ns16, name16;
splitName(name, &ns16, &name16);
sp<XMLNode> node = XMLNode::newElement(st->filename, ns16, name16);
node->setStartLineNumber(XML_GetCurrentLineNumber(st->parser));
if (st->pendingComment.size() > 0) {
node->appendComment(st->pendingComment);
st->pendingComment = String16();
}
if (st->stack.size() > 0) {
st->stack.itemAt(st->stack.size()-1)->addChild(node);
} else {
st->root = node;
}
st->stack.push(node);
for (int i = 0; atts[i]; i += 2) {
splitName(atts[i], &ns16, &name16);
node->addAttribute(ns16, name16, String16(atts[i+1]));
}
}
void XMLCALL
XMLNode::characterData(void *userData, const XML_Char *s, int len)
{
NOISY_PARSE(printf("CDATA: \"%s\"\n", String8(s, len).string()));
ParseState* st = (ParseState*)userData;
sp<XMLNode> node = NULL;
if (st->stack.size() == 0) {
return;
}
sp<XMLNode> parent = st->stack.itemAt(st->stack.size()-1);
if (parent != NULL && parent->getChildren().size() > 0) {
node = parent->getChildren()[parent->getChildren().size()-1];
if (node->getType() != TYPE_CDATA) {
// Last node is not CDATA, need to make a new node.
node = NULL;
}
}
if (node == NULL) {
node = XMLNode::newCData(st->filename);
node->setStartLineNumber(XML_GetCurrentLineNumber(st->parser));
parent->addChild(node);
}
node->appendChars(String16(s, len));
}
void XMLCALL
XMLNode::endElement(void *userData, const char *name)
{
NOISY_PARSE(printf("End Element: %s\n", name));
ParseState* st = (ParseState*)userData;
sp<XMLNode> node = st->stack.itemAt(st->stack.size()-1);
node->setEndLineNumber(XML_GetCurrentLineNumber(st->parser));
if (st->pendingComment.size() > 0) {
node->appendComment(st->pendingComment);
st->pendingComment = String16();
}
String16 ns16, name16;
splitName(name, &ns16, &name16);
LOG_ALWAYS_FATAL_IF(node->getElementNamespace() != ns16
|| node->getElementName() != name16,
"Bad end element %s", name);
st->stack.pop();
}
void XMLCALL
XMLNode::endNamespace(void *userData, const char *prefix)
{
const char* nonNullPrefix = prefix != NULL ? prefix : "";
NOISY_PARSE(printf("End Namespace: %s\n", prefix));
ParseState* st = (ParseState*)userData;
sp<XMLNode> node = st->stack.itemAt(st->stack.size()-1);
node->setEndLineNumber(XML_GetCurrentLineNumber(st->parser));
LOG_ALWAYS_FATAL_IF(node->getNamespacePrefix() != String16(nonNullPrefix),
"Bad end namespace %s", prefix);
st->stack.pop();
}
void XMLCALL
XMLNode::commentData(void *userData, const char *comment)
{
NOISY_PARSE(printf("Comment: %s\n", comment));
ParseState* st = (ParseState*)userData;
if (st->pendingComment.size() > 0) {
st->pendingComment.append(String16("\n"));
}
st->pendingComment.append(String16(comment));
}
status_t XMLNode::collect_strings(StringPool* dest, Vector<uint32_t>* outResIds,
bool stripComments, bool stripRawValues) const
{
collect_attr_strings(dest, outResIds, true);
int i;
if (mNamespacePrefix.size() > 0) {
dest->add(mNamespacePrefix, true);
}
if (mNamespaceUri.size() > 0) {
dest->add(mNamespaceUri, true);
}
if (mElementName.size() > 0) {
dest->add(mElementName, true);
}
if (!stripComments && mComment.size() > 0) {
dest->add(mComment, true);
}
const int NA = mAttributes.size();
for (i=0; i<NA; i++) {
const attribute_entry& ae = mAttributes.itemAt(i);
if (ae.ns.size() > 0) {
dest->add(ae.ns, true);
}
if (!stripRawValues || ae.needStringValue()) {
dest->add(ae.string, true);
}
/*
if (ae.value.dataType == Res_value::TYPE_NULL
|| ae.value.dataType == Res_value::TYPE_STRING) {
dest->add(ae.string, true);
}
*/
}
if (mElementName.size() == 0) {
// If not an element, include the CDATA, even if it is empty.
dest->add(mChars, true);
}
const int NC = mChildren.size();
for (i=0; i<NC; i++) {
mChildren.itemAt(i)->collect_strings(dest, outResIds,
stripComments, stripRawValues);
}
return NO_ERROR;
}
status_t XMLNode::collect_attr_strings(StringPool* outPool,
Vector<uint32_t>* outResIds, bool allAttrs) const {
const int NA = mAttributes.size();
for (int i=0; i<NA; i++) {
const attribute_entry& attr = mAttributes.itemAt(i);
uint32_t id = attr.nameResId;
if (id || allAttrs) {
// See if we have already assigned this resource ID to a pooled
// string...
const Vector<size_t>* indices = outPool->offsetsForString(attr.name);
ssize_t idx = -1;
if (indices != NULL) {
const int NJ = indices->size();
const size_t NR = outResIds->size();
for (int j=0; j<NJ; j++) {
size_t strIdx = indices->itemAt(j);
if (strIdx >= NR) {
if (id == 0) {
// We don't need to assign a resource ID for this one.
idx = strIdx;
break;
}
// Just ignore strings that are out of range of
// the currently assigned resource IDs... we add
// strings as we assign the first ID.
} else if (outResIds->itemAt(strIdx) == id) {
idx = strIdx;
break;
}
}
}
if (idx < 0) {
idx = outPool->add(attr.name);
NOISY(printf("Adding attr %s (resid 0x%08x) to pool: idx=%d\n",
String8(attr.name).string(), id, idx));
if (id != 0) {
while ((ssize_t)outResIds->size() <= idx) {
outResIds->add(0);
}
outResIds->replaceAt(id, idx);
}
}
attr.namePoolIdx = idx;
NOISY(printf("String %s offset=0x%08x\n",
String8(attr.name).string(), idx));
}
}
return NO_ERROR;
}
status_t XMLNode::collect_resid_strings(StringPool* outPool,
Vector<uint32_t>* outResIds) const
{
collect_attr_strings(outPool, outResIds, false);
const int NC = mChildren.size();
for (int i=0; i<NC; i++) {
mChildren.itemAt(i)->collect_resid_strings(outPool, outResIds);
}
return NO_ERROR;
}
status_t XMLNode::flatten_node(const StringPool& strings, const sp<AaptFile>& dest,
bool stripComments, bool stripRawValues) const
{
ResXMLTree_node node;
ResXMLTree_cdataExt cdataExt;
ResXMLTree_namespaceExt namespaceExt;
ResXMLTree_attrExt attrExt;
const void* extData = NULL;
size_t extSize = 0;
ResXMLTree_attribute attr;
const size_t NA = mAttributes.size();
const size_t NC = mChildren.size();
size_t i;
LOG_ALWAYS_FATAL_IF(NA != mAttributeOrder.size(), "Attributes messed up!");
const String16 id16("id");
const String16 class16("class");
const String16 style16("style");
const type type = getType();
memset(&node, 0, sizeof(node));
memset(&attr, 0, sizeof(attr));
node.header.headerSize = htods(sizeof(node));
node.lineNumber = htodl(getStartLineNumber());
if (!stripComments) {
node.comment.index = htodl(
mComment.size() > 0 ? strings.offsetForString(mComment) : -1);
//if (mComment.size() > 0) {
// printf("Flattening comment: %s\n", String8(mComment).string());
//}
} else {
node.comment.index = htodl((uint32_t)-1);
}
if (type == TYPE_ELEMENT) {
node.header.type = htods(RES_XML_START_ELEMENT_TYPE);
extData = &attrExt;
extSize = sizeof(attrExt);
memset(&attrExt, 0, sizeof(attrExt));
if (mNamespaceUri.size() > 0) {
attrExt.ns.index = htodl(strings.offsetForString(mNamespaceUri));
} else {
attrExt.ns.index = htodl((uint32_t)-1);
}
attrExt.name.index = htodl(strings.offsetForString(mElementName));
attrExt.attributeStart = htods(sizeof(attrExt));
attrExt.attributeSize = htods(sizeof(attr));
attrExt.attributeCount = htods(NA);
attrExt.idIndex = htods(0);
attrExt.classIndex = htods(0);
attrExt.styleIndex = htods(0);
for (i=0; i<NA; i++) {
ssize_t idx = mAttributeOrder.valueAt(i);
const attribute_entry& ae = mAttributes.itemAt(idx);
if (ae.ns.size() == 0) {
if (ae.name == id16) {
attrExt.idIndex = htods(i+1);
} else if (ae.name == class16) {
attrExt.classIndex = htods(i+1);
} else if (ae.name == style16) {
attrExt.styleIndex = htods(i+1);
}
}
}
} else if (type == TYPE_NAMESPACE) {
node.header.type = htods(RES_XML_START_NAMESPACE_TYPE);
extData = &namespaceExt;
extSize = sizeof(namespaceExt);
memset(&namespaceExt, 0, sizeof(namespaceExt));
if (mNamespacePrefix.size() > 0) {
namespaceExt.prefix.index = htodl(strings.offsetForString(mNamespacePrefix));
} else {
namespaceExt.prefix.index = htodl((uint32_t)-1);
}
namespaceExt.prefix.index = htodl(strings.offsetForString(mNamespacePrefix));
namespaceExt.uri.index = htodl(strings.offsetForString(mNamespaceUri));
LOG_ALWAYS_FATAL_IF(NA != 0, "Namespace nodes can't have attributes!");
} else if (type == TYPE_CDATA) {
node.header.type = htods(RES_XML_CDATA_TYPE);
extData = &cdataExt;
extSize = sizeof(cdataExt);
memset(&cdataExt, 0, sizeof(cdataExt));
cdataExt.data.index = htodl(strings.offsetForString(mChars));
cdataExt.typedData.size = htods(sizeof(cdataExt.typedData));
cdataExt.typedData.res0 = 0;
cdataExt.typedData.dataType = mCharsValue.dataType;
cdataExt.typedData.data = htodl(mCharsValue.data);
LOG_ALWAYS_FATAL_IF(NA != 0, "CDATA nodes can't have attributes!");
}
node.header.size = htodl(sizeof(node) + extSize + (sizeof(attr)*NA));
dest->writeData(&node, sizeof(node));
if (extSize > 0) {
dest->writeData(extData, extSize);
}
for (i=0; i<NA; i++) {
ssize_t idx = mAttributeOrder.valueAt(i);
const attribute_entry& ae = mAttributes.itemAt(idx);
if (ae.ns.size() > 0) {
attr.ns.index = htodl(strings.offsetForString(ae.ns));
} else {
attr.ns.index = htodl((uint32_t)-1);
}
attr.name.index = htodl(ae.namePoolIdx);
if (!stripRawValues || ae.needStringValue()) {
attr.rawValue.index = htodl(strings.offsetForString(ae.string));
} else {
attr.rawValue.index = htodl((uint32_t)-1);
}
attr.typedValue.size = htods(sizeof(attr.typedValue));
if (ae.value.dataType == Res_value::TYPE_NULL
|| ae.value.dataType == Res_value::TYPE_STRING) {
attr.typedValue.res0 = 0;
attr.typedValue.dataType = Res_value::TYPE_STRING;
attr.typedValue.data = htodl(strings.offsetForString(ae.string));
} else {
attr.typedValue.res0 = 0;
attr.typedValue.dataType = ae.value.dataType;
attr.typedValue.data = htodl(ae.value.data);
}
dest->writeData(&attr, sizeof(attr));
}
for (i=0; i<NC; i++) {
status_t err = mChildren.itemAt(i)->flatten_node(strings, dest,
stripComments, stripRawValues);
if (err != NO_ERROR) {
return err;
}
}
if (type == TYPE_ELEMENT) {
ResXMLTree_endElementExt endElementExt;
memset(&endElementExt, 0, sizeof(endElementExt));
node.header.type = htods(RES_XML_END_ELEMENT_TYPE);
node.header.size = htodl(sizeof(node)+sizeof(endElementExt));
node.lineNumber = htodl(getEndLineNumber());
node.comment.index = htodl((uint32_t)-1);
endElementExt.ns.index = attrExt.ns.index;
endElementExt.name.index = attrExt.name.index;
dest->writeData(&node, sizeof(node));
dest->writeData(&endElementExt, sizeof(endElementExt));
} else if (type == TYPE_NAMESPACE) {
node.header.type = htods(RES_XML_END_NAMESPACE_TYPE);
node.lineNumber = htodl(getEndLineNumber());
node.comment.index = htodl((uint32_t)-1);
node.header.size = htodl(sizeof(node)+extSize);
dest->writeData(&node, sizeof(node));
dest->writeData(extData, extSize);
}
return NO_ERROR;
}