mirror of
https://github.com/SirHumza/orbisRPC.git
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CyberMask367
6faa0d5d6b
Adds a community TITLEID-to-name fallback sourced from config/custom.json for apps or homebrew that are not on pkg-zone, drops the payload bin validation path
67 lines
2.3 KiB
C
67 lines
2.3 KiB
C
/* jsonstr.c - see jsonstr.h. Moved verbatim from retro.c so custom.c can share
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* one parser instead of carrying a second copy that could drift. */
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#include "jsonstr.h"
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#include <string.h>
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size_t json_unescape(const char *src, size_t len, char *dst, size_t cap){
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size_t o = 0;
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for(size_t i = 0; i < len && o + 1 < cap; i++){
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if(src[i] != '\\'){ dst[o++] = src[i]; continue; }
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if(i + 1 >= len) break;
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char c = src[++i];
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switch(c){
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case 'n': dst[o++] = '\n'; break;
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case 't': dst[o++] = '\t'; break;
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case 'r': dst[o++] = '\r'; break;
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case 'b': dst[o++] = '\b'; break;
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case 'f': dst[o++] = '\f'; break;
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case 'u': {
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if(i + 4 >= len){ i = len; break; }
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unsigned cp = 0;
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for(int k = 1; k <= 4; k++){
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char h = src[i + k];
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cp <<= 4;
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if(h >= '0' && h <= '9') cp |= (unsigned)(h - '0');
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else if(h >= 'a' && h <= 'f') cp |= (unsigned)(h - 'a' + 10);
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else if(h >= 'A' && h <= 'F') cp |= (unsigned)(h - 'A' + 10);
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}
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i += 4;
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if(cp < 0x80) dst[o++] = (char)cp;
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else if(cp < 0x800 && o + 2 < cap){
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dst[o++] = (char)(0xC0 | (cp >> 6));
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dst[o++] = (char)(0x80 | (cp & 0x3F));
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} else if(cp < 0x10000 && o + 3 < cap){
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dst[o++] = (char)(0xE0 | (cp >> 12));
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dst[o++] = (char)(0x80 | ((cp >> 6) & 0x3F));
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dst[o++] = (char)(0x80 | (cp & 0x3F));
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}
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break;
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}
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default: dst[o++] = c; break; /* covers \" \\ \/ */
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}
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}
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dst[o] = 0;
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return o;
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}
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int json_grab_string(const char *p, const char *end, char *dst, size_t cap){
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if(!p || p >= end || *p != '"') return 0;
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p++;
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const char *q = p;
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while(q < end){
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if(*q == '\\'){ if(q + 1 >= end) return 0; q += 2; continue; }
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if(*q == '"') break;
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q++;
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}
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if(q >= end) return 0;
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json_unescape(p, (size_t)(q - p), dst, cap);
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return 1;
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}
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int json_grab_value(const char *key, const char *end, char *dst, size_t cap){
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if(!key || key >= end) return 0;
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const char *c = key;
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while(c < end && *c != ':') c++;
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if(c >= end) return 0;
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return json_grab_string(c + 1, end, dst, cap);
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} |