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Reduced code size by 12 bytes

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This commit is contained in:
Benoit Blanchon
2015-02-07 16:01:09 +01:00
parent 80913b8044
commit 29ab5fc9c2
1 changed files with 9 additions and 4 deletions
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13
src/Internals/QuotedString.cpp
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@ -8,16 +8,21 @@
using namespace ArduinoJson::Internals;
// How to escape special chars:
// specialChars[2*i+1] => the special char
// specialChars[2*i] => the char to use instead
static const char specialChars[] = "\"\"\\\\b\bf\fn\nr\rt\t";
static inline char getSpecialChar(char c) {
// Optimized for code size on a 8-bit AVR
const char *p = "\"\"\\\\\bb\ff\nn\rr\tt\0";
const char *p = specialChars;
while (p[0] && p[0] != c) {
while (p[0] && p[1] != c) {
p += 2;
}
return p[1];
return p[0];
}
static inline size_t printCharTo(char c, Print &p) {
@ -41,7 +46,7 @@ size_t QuotedString::printTo(const char *s, Print &p) {
static char unescapeChar(char c) {
// Optimized for code size on a 8-bit AVR
const char *p = "b\bf\fn\nr\rt\t";
const char *p = specialChars + 4;
for (;;) {
if (p[0] == '\0') return c;