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Don't count single quote ' as garbage (#1801)

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Also copy the "blank space" (space or tab) vs "whitespace" (space,
tab, or newline) convention from `<ctype.h>`
This commit is contained in:
Rangi
2025-08-14 10:10:59 -04:00
committed by GitHub
parent ea1358bbe6
commit db6793f444
15 changed files with 98 additions and 72 deletions
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32
src/gfx/main.cpp
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@@ -186,7 +186,7 @@ static uint16_t parseNumber(char *&string, char const *errPrefix, uint16_t errVa
return number;
}
static void skipWhitespace(char *&arg) {
static void skipBlankSpace(char *&arg) {
arg += strspn(arg, " \t");
}
@@ -214,8 +214,8 @@ static std::vector<size_t> readAtFile(std::string const &path, std::vector<char>
for (std::vector<size_t> argvOfs;;) {
int c = file->sbumpc();
// First, discard any leading whitespace
while (isWhitespace(c)) {
// First, discard any leading blank space
while (isBlankSpace(c)) {
c = file->sbumpc();
}
@@ -239,13 +239,13 @@ static std::vector<size_t> readAtFile(std::string const &path, std::vector<char>
// Read one argument (until the next whitespace char).
// We know there is one because we already have its first character in `c`.
for (; c != EOF && !isNewline(c) && !isWhitespace(c); c = file->sbumpc()) {
for (; c != EOF && !isWhitespace(c); c = file->sbumpc()) {
argPool.push_back(c);
}
argPool.push_back('\0');
// Discard whitespace until the next argument (candidate)
while (isWhitespace(c)) {
// Discard blank space until the next argument (candidate)
while (isBlankSpace(c)) {
c = file->sbumpc();
}
} while (c != EOF && !isNewline(c)); // End if we reached EOL
@@ -285,7 +285,7 @@ static char *parseArgv(int argc, char *argv[]) {
options.baseTileIDs[1] = 0;
break;
}
skipWhitespace(arg);
skipBlankSpace(arg);
if (*arg != ',') {
error(
"Base tile IDs must be one or two comma-separated numbers, not \"%s\"",
@@ -294,7 +294,7 @@ static char *parseArgv(int argc, char *argv[]) {
break;
}
++arg; // Skip comma
skipWhitespace(arg);
skipBlankSpace(arg);
number = parseNumber(arg, "Bank 1 base tile ID", 0);
if (number >= 256) {
error("Bank 1 base tile ID must be below 256");
@@ -356,23 +356,23 @@ static char *parseArgv(int argc, char *argv[]) {
error("Input slice left coordinate is out of range!");
break;
}
skipWhitespace(arg);
skipBlankSpace(arg);
if (*arg != ',') {
error("Missing comma after left coordinate in \"%s\"", musl_optarg);
break;
}
++arg;
skipWhitespace(arg);
skipBlankSpace(arg);
options.inputSlice.top = parseNumber(arg, "Input slice upper coordinate");
skipWhitespace(arg);
skipBlankSpace(arg);
if (*arg != ':') {
error("Missing colon after upper coordinate in \"%s\"", musl_optarg);
break;
}
++arg;
skipWhitespace(arg);
skipBlankSpace(arg);
options.inputSlice.width = parseNumber(arg, "Input slice width");
skipWhitespace(arg);
skipBlankSpace(arg);
if (options.inputSlice.width == 0) {
error("Input slice width may not be 0!");
}
@@ -381,7 +381,7 @@ static char *parseArgv(int argc, char *argv[]) {
break;
}
++arg;
skipWhitespace(arg);
skipBlankSpace(arg);
options.inputSlice.height = parseNumber(arg, "Input slice height");
if (options.inputSlice.height == 0) {
error("Input slice height may not be 0!");
@@ -416,7 +416,7 @@ static char *parseArgv(int argc, char *argv[]) {
options.maxNbTiles[1] = 0;
break;
}
skipWhitespace(arg);
skipBlankSpace(arg);
if (*arg != ',') {
error(
"Bank capacity must be one or two comma-separated numbers, not \"%s\"",
@@ -425,7 +425,7 @@ static char *parseArgv(int argc, char *argv[]) {
break;
}
++arg; // Skip comma
skipWhitespace(arg);
skipBlankSpace(arg);
options.maxNbTiles[1] = parseNumber(arg, "Number of tiles in bank 1", 256);
if (options.maxNbTiles[1] > 256) {
error("Bank 1 cannot contain more than 256 tiles");