bool
nsHtml5MetaScanner::handleTagInner()
{
if (!!charset && tryCharset(charset)) {
return true;
}
if (!!content && httpEquivState == NS_HTML5META_SCANNER_HTTP_EQUIV_CONTENT_TYPE) {
nsString* extract = nsHtml5TreeBuilder::extractCharsetFromContent(content);
if (!extract) {
return false;
}
bool success = tryCharset(extract);
nsHtml5Portability::releaseString(extract);
return success;
}
return false;
}
bool
nsHtml5MetaScanner::handleTagInner()
{
if (!!charset && tryCharset(charset)) {
return true;
}
if (!!content && httpEquivState == HTTP_EQUIV_CONTENT_TYPE) {
nsHtml5String extract =
nsHtml5TreeBuilder::extractCharsetFromContent(content, treeBuilder);
if (!extract) {
return false;
}
bool success = tryCharset(extract);
extract.Release();
return success;
}
return false;
}
PRBool
nsHtml5MetaScanner::tryCharset()
{
if (metaState != NS_HTML5META_SCANNER_A || !(contentIndex == 6 || charsetIndex == 6)) {
return PR_FALSE;
}
nsString* attVal = nsHtml5Portability::newStringFromBuffer(strBuf, 0, strBufLen);
nsString* candidateEncoding;
if (contentIndex == 6) {
candidateEncoding = nsHtml5TreeBuilder::extractCharsetFromContent(attVal);
nsHtml5Portability::releaseString(attVal);
} else {
candidateEncoding = attVal;
}
if (!candidateEncoding) {
return PR_FALSE;
}
PRBool success = tryCharset(candidateEncoding);
nsHtml5Portability::releaseString(candidateEncoding);
contentIndex = -1;
charsetIndex = -1;
return success;
}
void
nsHtml5MetaScanner::stateLoop(PRInt32 state)
{
PRInt32 c = -1;
PRBool reconsume = PR_FALSE;
stateloop: for (; ; ) {
switch(state) {
case NS_HTML5META_SCANNER_DATA: {
for (; ; ) {
if (reconsume) {
reconsume = PR_FALSE;
} else {
c = read();
}
switch(c) {
case -1: {
NS_HTML5_BREAK(stateloop);
}
case '<': {
state = NS_HTML5META_SCANNER_TAG_OPEN;
NS_HTML5_BREAK(dataloop);
}
default: {
continue;
}
}
}
dataloop_end: ;
}
case NS_HTML5META_SCANNER_TAG_OPEN: {
for (; ; ) {
c = read();
switch(c) {
case -1: {
NS_HTML5_BREAK(stateloop);
}
case 'm':
case 'M': {
metaState = NS_HTML5META_SCANNER_M;
state = NS_HTML5META_SCANNER_TAG_NAME;
NS_HTML5_BREAK(tagopenloop);
}
case '!': {
state = NS_HTML5META_SCANNER_MARKUP_DECLARATION_OPEN;
NS_HTML5_CONTINUE(stateloop);
}
case '\?':
case '/': {
state = NS_HTML5META_SCANNER_SCAN_UNTIL_GT;
NS_HTML5_CONTINUE(stateloop);
}
case '>': {
state = NS_HTML5META_SCANNER_DATA;
NS_HTML5_CONTINUE(stateloop);
}
default: {
if ((c >= 'A' && c <= 'Z') || (c >= 'a' && c <= 'z')) {
metaState = NS_HTML5META_SCANNER_NO;
state = NS_HTML5META_SCANNER_TAG_NAME;
NS_HTML5_BREAK(tagopenloop);
}
state = NS_HTML5META_SCANNER_DATA;
reconsume = PR_TRUE;
NS_HTML5_CONTINUE(stateloop);
}
}
}
tagopenloop_end: ;
}
case NS_HTML5META_SCANNER_TAG_NAME: {
for (; ; ) {
c = read();
switch(c) {
case -1: {
NS_HTML5_BREAK(stateloop);
}
case ' ':
case '\t':
case '\n':
case '\f': {
state = NS_HTML5META_SCANNER_BEFORE_ATTRIBUTE_NAME;
NS_HTML5_BREAK(tagnameloop);
}
case '/': {
state = NS_HTML5META_SCANNER_SELF_CLOSING_START_TAG;
NS_HTML5_CONTINUE(stateloop);
}
case '>': {
state = NS_HTML5META_SCANNER_DATA;
NS_HTML5_CONTINUE(stateloop);
}
case 'e':
case 'E': {
if (metaState == NS_HTML5META_SCANNER_M) {
metaState = NS_HTML5META_SCANNER_E;
} else {
metaState = NS_HTML5META_SCANNER_NO;
}
continue;
}
case 't':
case 'T': {
if (metaState == NS_HTML5META_SCANNER_E) {
metaState = NS_HTML5META_SCANNER_T;
} else {
metaState = NS_HTML5META_SCANNER_NO;
}
continue;
}
case 'a':
case 'A': {
if (metaState == NS_HTML5META_SCANNER_T) {
metaState = NS_HTML5META_SCANNER_A;
} else {
metaState = NS_HTML5META_SCANNER_NO;
}
continue;
}
default: {
metaState = NS_HTML5META_SCANNER_NO;
continue;
}
}
}
tagnameloop_end: ;
}
case NS_HTML5META_SCANNER_BEFORE_ATTRIBUTE_NAME: {
for (; ; ) {
if (reconsume) {
reconsume = PR_FALSE;
} else {
c = read();
}
switch(c) {
case -1: {
NS_HTML5_BREAK(stateloop);
}
case ' ':
case '\t':
case '\n':
case '\f': {
continue;
}
case '/': {
state = NS_HTML5META_SCANNER_SELF_CLOSING_START_TAG;
NS_HTML5_CONTINUE(stateloop);
}
case '>': {
state = NS_HTML5META_SCANNER_DATA;
NS_HTML5_CONTINUE(stateloop);
}
case 'c':
case 'C': {
contentIndex = 0;
charsetIndex = 0;
state = NS_HTML5META_SCANNER_ATTRIBUTE_NAME;
NS_HTML5_BREAK(beforeattributenameloop);
}
default: {
contentIndex = -1;
charsetIndex = -1;
state = NS_HTML5META_SCANNER_ATTRIBUTE_NAME;
NS_HTML5_BREAK(beforeattributenameloop);
}
}
}
beforeattributenameloop_end: ;
}
case NS_HTML5META_SCANNER_ATTRIBUTE_NAME: {
for (; ; ) {
c = read();
switch(c) {
case -1: {
NS_HTML5_BREAK(stateloop);
}
case ' ':
case '\t':
case '\n':
case '\f': {
state = NS_HTML5META_SCANNER_AFTER_ATTRIBUTE_NAME;
NS_HTML5_CONTINUE(stateloop);
}
case '/': {
state = NS_HTML5META_SCANNER_SELF_CLOSING_START_TAG;
NS_HTML5_CONTINUE(stateloop);
}
case '=': {
strBufLen = 0;
state = NS_HTML5META_SCANNER_BEFORE_ATTRIBUTE_VALUE;
NS_HTML5_BREAK(attributenameloop);
}
case '>': {
state = NS_HTML5META_SCANNER_DATA;
NS_HTML5_CONTINUE(stateloop);
}
default: {
if (metaState == NS_HTML5META_SCANNER_A) {
if (c >= 'A' && c <= 'Z') {
c += 0x20;
}
if (contentIndex == 6) {
contentIndex = -1;
} else if (contentIndex > -1 && contentIndex < 6 && (c == CONTENT[contentIndex + 1])) {
contentIndex++;
}
if (charsetIndex == 6) {
charsetIndex = -1;
} else if (charsetIndex > -1 && charsetIndex < 6 && (c == CHARSET[charsetIndex + 1])) {
charsetIndex++;
}
}
continue;
}
}
}
attributenameloop_end: ;
}
case NS_HTML5META_SCANNER_BEFORE_ATTRIBUTE_VALUE: {
for (; ; ) {
c = read();
switch(c) {
case -1: {
NS_HTML5_BREAK(stateloop);
}
case ' ':
case '\t':
case '\n':
case '\f': {
continue;
}
case '\"': {
state = NS_HTML5META_SCANNER_ATTRIBUTE_VALUE_DOUBLE_QUOTED;
NS_HTML5_BREAK(beforeattributevalueloop);
}
case '\'': {
state = NS_HTML5META_SCANNER_ATTRIBUTE_VALUE_SINGLE_QUOTED;
NS_HTML5_CONTINUE(stateloop);
}
case '>': {
state = NS_HTML5META_SCANNER_DATA;
NS_HTML5_CONTINUE(stateloop);
}
default: {
if (charsetIndex == 6 || contentIndex == 6) {
addToBuffer(c);
}
state = NS_HTML5META_SCANNER_ATTRIBUTE_VALUE_UNQUOTED;
NS_HTML5_CONTINUE(stateloop);
}
}
}
beforeattributevalueloop_end: ;
}
case NS_HTML5META_SCANNER_ATTRIBUTE_VALUE_DOUBLE_QUOTED: {
for (; ; ) {
if (reconsume) {
reconsume = PR_FALSE;
} else {
c = read();
}
switch(c) {
case -1: {
NS_HTML5_BREAK(stateloop);
}
case '\"': {
if (tryCharset()) {
NS_HTML5_BREAK(stateloop);
}
state = NS_HTML5META_SCANNER_AFTER_ATTRIBUTE_VALUE_QUOTED;
NS_HTML5_BREAK(attributevaluedoublequotedloop);
}
default: {
if (metaState == NS_HTML5META_SCANNER_A && (contentIndex == 6 || charsetIndex == 6)) {
addToBuffer(c);
}
continue;
}
}
}
attributevaluedoublequotedloop_end: ;
}
case NS_HTML5META_SCANNER_AFTER_ATTRIBUTE_VALUE_QUOTED: {
for (; ; ) {
c = read();
switch(c) {
case -1: {
NS_HTML5_BREAK(stateloop);
}
case ' ':
case '\t':
case '\n':
case '\f': {
state = NS_HTML5META_SCANNER_BEFORE_ATTRIBUTE_NAME;
NS_HTML5_CONTINUE(stateloop);
}
case '/': {
state = NS_HTML5META_SCANNER_SELF_CLOSING_START_TAG;
NS_HTML5_BREAK(afterattributevaluequotedloop);
}
case '>': {
state = NS_HTML5META_SCANNER_DATA;
NS_HTML5_CONTINUE(stateloop);
}
default: {
state = NS_HTML5META_SCANNER_BEFORE_ATTRIBUTE_NAME;
reconsume = PR_TRUE;
NS_HTML5_CONTINUE(stateloop);
}
}
}
afterattributevaluequotedloop_end: ;
}
case NS_HTML5META_SCANNER_SELF_CLOSING_START_TAG: {
c = read();
switch(c) {
case -1: {
NS_HTML5_BREAK(stateloop);
}
case '>': {
state = NS_HTML5META_SCANNER_DATA;
NS_HTML5_CONTINUE(stateloop);
}
default: {
state = NS_HTML5META_SCANNER_BEFORE_ATTRIBUTE_NAME;
reconsume = PR_TRUE;
NS_HTML5_CONTINUE(stateloop);
}
}
}
case NS_HTML5META_SCANNER_ATTRIBUTE_VALUE_UNQUOTED: {
for (; ; ) {
if (reconsume) {
reconsume = PR_FALSE;
} else {
c = read();
}
switch(c) {
case -1: {
NS_HTML5_BREAK(stateloop);
}
case ' ':
case '\t':
case '\n':
case '\f': {
if (tryCharset()) {
NS_HTML5_BREAK(stateloop);
}
state = NS_HTML5META_SCANNER_BEFORE_ATTRIBUTE_NAME;
NS_HTML5_CONTINUE(stateloop);
}
case '>': {
if (tryCharset()) {
NS_HTML5_BREAK(stateloop);
}
state = NS_HTML5META_SCANNER_DATA;
NS_HTML5_CONTINUE(stateloop);
}
default: {
if (metaState == NS_HTML5META_SCANNER_A && (contentIndex == 6 || charsetIndex == 6)) {
addToBuffer(c);
}
continue;
}
}
}
}
case NS_HTML5META_SCANNER_AFTER_ATTRIBUTE_NAME: {
for (; ; ) {
c = read();
switch(c) {
case -1: {
NS_HTML5_BREAK(stateloop);
}
case ' ':
case '\t':
case '\n':
case '\f': {
continue;
}
case '/': {
if (tryCharset()) {
NS_HTML5_BREAK(stateloop);
}
state = NS_HTML5META_SCANNER_SELF_CLOSING_START_TAG;
NS_HTML5_CONTINUE(stateloop);
}
case '=': {
state = NS_HTML5META_SCANNER_BEFORE_ATTRIBUTE_VALUE;
NS_HTML5_CONTINUE(stateloop);
}
case '>': {
if (tryCharset()) {
NS_HTML5_BREAK(stateloop);
}
state = NS_HTML5META_SCANNER_DATA;
NS_HTML5_CONTINUE(stateloop);
}
case 'c':
case 'C': {
contentIndex = 0;
charsetIndex = 0;
state = NS_HTML5META_SCANNER_ATTRIBUTE_NAME;
NS_HTML5_CONTINUE(stateloop);
}
default: {
contentIndex = -1;
charsetIndex = -1;
state = NS_HTML5META_SCANNER_ATTRIBUTE_NAME;
NS_HTML5_CONTINUE(stateloop);
}
}
}
}
case NS_HTML5META_SCANNER_MARKUP_DECLARATION_OPEN: {
for (; ; ) {
c = read();
switch(c) {
case -1: {
NS_HTML5_BREAK(stateloop);
}
case '-': {
state = NS_HTML5META_SCANNER_MARKUP_DECLARATION_HYPHEN;
NS_HTML5_BREAK(markupdeclarationopenloop);
}
default: {
state = NS_HTML5META_SCANNER_SCAN_UNTIL_GT;
reconsume = PR_TRUE;
NS_HTML5_CONTINUE(stateloop);
}
}
}
markupdeclarationopenloop_end: ;
}
case NS_HTML5META_SCANNER_MARKUP_DECLARATION_HYPHEN: {
for (; ; ) {
c = read();
switch(c) {
case -1: {
NS_HTML5_BREAK(stateloop);
}
case '-': {
state = NS_HTML5META_SCANNER_COMMENT_START;
NS_HTML5_BREAK(markupdeclarationhyphenloop);
}
default: {
state = NS_HTML5META_SCANNER_SCAN_UNTIL_GT;
reconsume = PR_TRUE;
NS_HTML5_CONTINUE(stateloop);
}
}
}
markupdeclarationhyphenloop_end: ;
}
case NS_HTML5META_SCANNER_COMMENT_START: {
for (; ; ) {
c = read();
switch(c) {
case -1: {
NS_HTML5_BREAK(stateloop);
}
case '-': {
state = NS_HTML5META_SCANNER_COMMENT_START_DASH;
NS_HTML5_CONTINUE(stateloop);
}
case '>': {
state = NS_HTML5META_SCANNER_DATA;
NS_HTML5_CONTINUE(stateloop);
}
default: {
state = NS_HTML5META_SCANNER_COMMENT;
NS_HTML5_BREAK(commentstartloop);
}
}
}
commentstartloop_end: ;
}
case NS_HTML5META_SCANNER_COMMENT: {
for (; ; ) {
c = read();
switch(c) {
case -1: {
NS_HTML5_BREAK(stateloop);
}
case '-': {
state = NS_HTML5META_SCANNER_COMMENT_END_DASH;
NS_HTML5_BREAK(commentloop);
}
default: {
continue;
}
}
}
commentloop_end: ;
}
case NS_HTML5META_SCANNER_COMMENT_END_DASH: {
for (; ; ) {
c = read();
switch(c) {
case -1: {
NS_HTML5_BREAK(stateloop);
}
case '-': {
state = NS_HTML5META_SCANNER_COMMENT_END;
NS_HTML5_BREAK(commentenddashloop);
}
default: {
state = NS_HTML5META_SCANNER_COMMENT;
NS_HTML5_CONTINUE(stateloop);
}
}
}
commentenddashloop_end: ;
}
case NS_HTML5META_SCANNER_COMMENT_END: {
for (; ; ) {
c = read();
switch(c) {
case -1: {
NS_HTML5_BREAK(stateloop);
}
case '>': {
state = NS_HTML5META_SCANNER_DATA;
NS_HTML5_CONTINUE(stateloop);
}
case '-': {
continue;
}
default: {
state = NS_HTML5META_SCANNER_COMMENT;
NS_HTML5_CONTINUE(stateloop);
}
}
}
}
case NS_HTML5META_SCANNER_COMMENT_START_DASH: {
c = read();
switch(c) {
case -1: {
NS_HTML5_BREAK(stateloop);
}
case '-': {
state = NS_HTML5META_SCANNER_COMMENT_END;
NS_HTML5_CONTINUE(stateloop);
}
case '>': {
state = NS_HTML5META_SCANNER_DATA;
NS_HTML5_CONTINUE(stateloop);
}
default: {
state = NS_HTML5META_SCANNER_COMMENT;
NS_HTML5_CONTINUE(stateloop);
}
}
}
case NS_HTML5META_SCANNER_ATTRIBUTE_VALUE_SINGLE_QUOTED: {
for (; ; ) {
if (reconsume) {
reconsume = PR_FALSE;
} else {
c = read();
}
switch(c) {
case -1: {
NS_HTML5_BREAK(stateloop);
}
case '\'': {
if (tryCharset()) {
NS_HTML5_BREAK(stateloop);
}
state = NS_HTML5META_SCANNER_AFTER_ATTRIBUTE_VALUE_QUOTED;
NS_HTML5_CONTINUE(stateloop);
}
default: {
if (metaState == NS_HTML5META_SCANNER_A && (contentIndex == 6 || charsetIndex == 6)) {
addToBuffer(c);
}
continue;
}
}
}
}
case NS_HTML5META_SCANNER_SCAN_UNTIL_GT: {
for (; ; ) {
if (reconsume) {
reconsume = PR_FALSE;
} else {
c = read();
}
switch(c) {
case -1: {
NS_HTML5_BREAK(stateloop);
}
case '>': {
state = NS_HTML5META_SCANNER_DATA;
NS_HTML5_CONTINUE(stateloop);
}
default: {
continue;
}
}
}
}
}
}
stateloop_end: ;
stateSave = state;
}
