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FLUID: Refactored writing escaped strings

This commit is contained in:
Matthias Melcher 2023-12-04 16:12:02 +01:00
parent 3e61ec7044
commit 1476d215f3
1 changed files with 37 additions and 42 deletions
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79
fluid/code.cxx
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@ -49,6 +49,35 @@ int is_id(char c) {
return (c>='a' && c<='z') || (c>='A' && c<='Z') || (c>='0' && c<='9') || c=='_';
}
/**
Write a string to a file, replacing all non-ASCII characters with octal codes.
\param[in] out output file
\param[in] text write this NUL terminated utf-8 string
\return EOF if any of the file access calls failed, 0 if OK
*/
int write_escaped_strings(FILE *out, const char *text) {
int ret = 0;
const unsigned char *utf8_text = (const unsigned char *)text;
for (const unsigned char *s = utf8_text; *s; ++s) {
unsigned char c = *s;
// escape control characters, delete, all utf-8, and the double quotes
// note: we should have an option in the project settings to allow utf-8
// characters in the output text and not escape them
if (c < 32 || c > 126 || c == '\"') {
if (c == '\r') {
ret = fputs("\\r", out);
} else if (c == '\n') {
ret = fputs("\\n", out);
} else {
ret = fprintf(out, "\\%03o", c);
}
} else {
ret = putc((int)c, out);
}
}
return ret;
}
/**
Write a file that contains all label and tooltip strings for internationalization.
The user is responsible to set the right file name extension. The file format
@ -73,20 +102,12 @@ int write_strings(const Fl_String &filename) {
w = (Fl_Widget_Type *)p;
if (w->label()) {
for (const char *s = w->label(); *s; s ++)
if (*s < 32 || *s > 126 || *s == '\"')
fprintf(fp, "\\%03o", *s);
else
putc(*s, fp);
write_escaped_strings(fp, w->label());
putc('\n', fp);
}
if (w->tooltip()) {
for (const char *s = w->tooltip(); *s; s ++)
if (*s < 32 || *s > 126 || *s == '\"')
fprintf(fp, "\\%03o", *s);
else
putc(*s, fp);
write_escaped_strings(fp, w->tooltip());
putc('\n', fp);
}
}
@ -100,22 +121,12 @@ int write_strings(const Fl_String &filename) {
w = (Fl_Widget_Type *)p;
if (w->label()) {
const char *s;
fputs("msgid \"", fp);
for (s = w->label(); *s; s ++)
if (*s < 32 || *s > 126 || *s == '\"')
fprintf(fp, "\\%03o", *s);
else
putc(*s, fp);
write_escaped_strings(fp, w->label());
fputs("\"\n", fp);
fputs("msgstr \"", fp);
for (s = w->label(); *s; s ++)
if (*s < 32 || *s > 126 || *s == '\"')
fprintf(fp, "\\%03o", *s);
else
putc(*s, fp);
write_escaped_strings(fp, w->label());
fputs("\"\n", fp);
}
@ -123,19 +134,11 @@ int write_strings(const Fl_String &filename) {
const char *s;
fputs("msgid \"", fp);
for (s = w->tooltip(); *s; s ++)
if (*s < 32 || *s > 126 || *s == '\"')
fprintf(fp, "\\%03o", *s);
else
putc(*s, fp);
write_escaped_strings(fp, w->tooltip());
fputs("\"\n", fp);
fputs("msgstr \"", fp);
for (s = w->tooltip(); *s; s ++)
if (*s < 32 || *s > 126 || *s == '\"')
fprintf(fp, "\\%03o", *s);
else
putc(*s, fp);
write_escaped_strings(fp, w->tooltip());
fputs("\"\n", fp);
}
}
@ -153,21 +156,13 @@ int write_strings(const Fl_String &filename) {
if (w->label()) {
fprintf(fp, "%d \"", i ++);
for (const char *s = w->label(); *s; s ++)
if (*s < 32 || *s > 126 || *s == '\"')
fprintf(fp, "\\%03o", *s);
else
putc(*s, fp);
write_escaped_strings(fp, w->label());
fputs("\"\n", fp);
}
if (w->tooltip()) {
fprintf(fp, "%d \"", i ++);
for (const char *s = w->tooltip(); *s; s ++)
if (*s < 32 || *s > 126 || *s == '\"')
fprintf(fp, "\\%03o", *s);
else
putc(*s, fp);
write_escaped_strings(fp, w->tooltip());
fputs("\"\n", fp);
}
}