35942878c2
add some single char escaping routines to fmt.h pull in html5 entities from w3c and use those to do a proper scan_html decoding fix an off-by-one in fmt_to_array add a ton of unit tests for the fmt routines
34 lines
741 B
C
34 lines
741 B
C
#include "fmt.h"
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size_t fmt_escapecharxml(char* dest,uint32_t ch) {
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char a[FMT_LONG], b[FMT_XLONG];
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const char* s;
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size_t i,j;
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switch (ch) {
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case '&': s="&"; goto string;
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case '<': s="<"; goto string;
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case '>': s=">"; goto string;
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case '\'': s="'"; goto string;
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case '"': s="""; goto string;
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default:
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a[i=fmt_ulong(a,ch)]=0;
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b[0]='x';
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b[j=fmt_xlong(b+1,ch)+1]=0;
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s=a;
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if (i>j) { s=b; i=j; }
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if (dest) {
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dest[0]='&';
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dest[1]='#';
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byte_copy(dest+2,i,s);
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dest[i+2]=';';
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}
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return i+3;
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}
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string:
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return fmt_str(dest,s);
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}
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#ifdef __GNUC__
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size_t fmt_escapecharhtml(char* dest,uint32_t ch) __attribute__((__alias__("fmt_escapecharxml")));
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#endif
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