Apple-2gs-SW/md2teach
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Add some basic support for HTML entities. Just the copyright symbol is supported now but all characters from the extended set of the GS that exist in the HTML entities should be added.

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Jeremy Rand 2021-04-21 00:21:02 -04:00
parent effa777037
commit a642513db3
1 changed files with 32 additions and 4 deletions
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36
md2teach/main.c
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@ -48,6 +48,12 @@ typedef struct tBlockListItem
struct tBlockListItem * next;
} tBlockListItem;
typedef struct tEntity
{
const char * entityString;
char entityChar;
} tEntity;
// Forward declarations
static int enterBlockHook(MD_BLOCKTYPE type, void * detail, void * userdata);
@ -82,6 +88,10 @@ tBlockListItem * blockList = NULL;
FILE * outputFile;
tEntity entities[] = {
{ "©", 0xa9 }
// GS_TODO - Add more to the entity table to fill out the extended character set of the GS.
};
// Implementation
@ -395,6 +405,24 @@ static int leaveSpanHook(MD_SPANTYPE type, void * detail, void * userdata)
return 0;
}
static void printEntity(const MD_CHAR * text, MD_SIZE size)
{
int entityNum;
for (entityNum = 0; entityNum < (sizeof(entities) / sizeof(entities[0])); entityNum++) {
int offset;
char * entityString = entities[entityNum].entityString;
for (offset = 0; offset < size; offset++) {
if (tolower(text[offset]) != entityString[offset])
break;
}
if (offset >= size) {
fputc(entities[entityNum].entityChar, outputFile);
return;
}
}
}
static int textHook(MD_TEXTTYPE type, const MD_CHAR * text, MD_SIZE size, void * userdata)
{
@ -420,12 +448,12 @@ static int textHook(MD_TEXTTYPE type, const MD_CHAR * text, MD_SIZE size, void *
return 0;
case MD_TEXT_ENTITY:
if (debugEnabled)
if (debugEnabled) {
fprintf(stderr, "%*sEntity: \"", debugIndentLevel, "");
fwrite(text, sizeof(MD_CHAR), size, stderr);
}
// GS_TODO - For now, just skip printing anything but it would be best to look
// at the extended character map and do the "right thing" for special characters
// like the copyright symbol.
printEntity(text, size);
text = "";
size = 0;
break;