version 1.111, 2018/12/15 19:30:26 |
version 1.113, 2018/12/18 22:00:02 |
Line 38 static char *time2a(time_t); |
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Line 38 static char *time2a(time_t); |
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enum mandoc_esc |
enum mandoc_esc |
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mandoc_font(const char *cp, int sz) |
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{ |
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switch (sz) { |
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case 0: |
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return ESCAPE_FONTPREV; |
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case 1: |
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switch (cp[0]) { |
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case 'B': |
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case '3': |
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return ESCAPE_FONTBOLD; |
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case 'I': |
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case '2': |
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return ESCAPE_FONTITALIC; |
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case 'P': |
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return ESCAPE_FONTPREV; |
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case 'R': |
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case '1': |
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return ESCAPE_FONTROMAN; |
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case '4': |
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return ESCAPE_FONTBI; |
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default: |
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return ESCAPE_ERROR; |
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} |
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case 2: |
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switch (cp[0]) { |
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case 'B': |
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switch (cp[1]) { |
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case 'I': |
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return ESCAPE_FONTBI; |
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default: |
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return ESCAPE_ERROR; |
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} |
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case 'C': |
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switch (cp[1]) { |
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case 'B': |
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return ESCAPE_FONTBOLD; |
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case 'I': |
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return ESCAPE_FONTITALIC; |
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case 'R': |
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case 'W': |
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return ESCAPE_FONTCW; |
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default: |
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return ESCAPE_ERROR; |
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} |
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default: |
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return ESCAPE_ERROR; |
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} |
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default: |
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return ESCAPE_ERROR; |
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} |
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} |
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enum mandoc_esc |
mandoc_escape(const char **end, const char **start, int *sz) |
mandoc_escape(const char **end, const char **start, int *sz) |
{ |
{ |
const char *local_start; |
const char *local_start; |
Line 367 mandoc_escape(const char **end, const char **start, in |
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Line 420 mandoc_escape(const char **end, const char **start, in |
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switch (gly) { |
switch (gly) { |
case ESCAPE_FONT: |
case ESCAPE_FONT: |
if (*sz == 2) { |
gly = mandoc_font(*start, *sz); |
if (**start == 'C') { |
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if ((*start)[1] == 'W' || |
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(*start)[1] == 'R') { |
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gly = ESCAPE_FONTCW; |
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break; |
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} |
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/* |
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* Treat other constant-width font modes |
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* just like regular font modes. |
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*/ |
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(*start)++; |
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(*sz)--; |
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} else { |
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if ((*start)[0] == 'B' && (*start)[1] == 'I') |
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gly = ESCAPE_FONTBI; |
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break; |
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} |
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} else if (*sz != 1) { |
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if (*sz == 0) |
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gly = ESCAPE_FONTPREV; |
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break; |
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} |
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switch (**start) { |
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case '3': |
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case 'B': |
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gly = ESCAPE_FONTBOLD; |
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break; |
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case '2': |
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case 'I': |
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gly = ESCAPE_FONTITALIC; |
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break; |
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case 'P': |
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gly = ESCAPE_FONTPREV; |
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break; |
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case '1': |
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case 'R': |
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gly = ESCAPE_FONTROMAN; |
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break; |
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} |
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break; |
break; |
case ESCAPE_SPECIAL: |
case ESCAPE_SPECIAL: |
if (**start == 'c') { |
if (**start == 'c') { |
Line 450 mandoc_escape(const char **end, const char **start, in |
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Line 463 mandoc_escape(const char **end, const char **start, in |
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} |
} |
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return gly; |
return gly; |
} |
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/* |
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* Parse a quoted or unquoted roff-style request or macro argument. |
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* Return a pointer to the parsed argument, which is either the original |
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* pointer or advanced by one byte in case the argument is quoted. |
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* NUL-terminate the argument in place. |
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* Collapse pairs of quotes inside quoted arguments. |
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* Advance the argument pointer to the next argument, |
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* or to the NUL byte terminating the argument line. |
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*/ |
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char * |
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mandoc_getarg(char **cpp, int ln, int *pos) |
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{ |
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char *start, *cp; |
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int quoted, pairs, white; |
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/* Quoting can only start with a new word. */ |
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start = *cpp; |
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quoted = 0; |
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if ('"' == *start) { |
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quoted = 1; |
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start++; |
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} |
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pairs = 0; |
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white = 0; |
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for (cp = start; '\0' != *cp; cp++) { |
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/* |
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* Move the following text left |
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* after quoted quotes and after "\\" and "\t". |
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*/ |
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if (pairs) |
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cp[-pairs] = cp[0]; |
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if ('\\' == cp[0]) { |
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/* |
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* In copy mode, translate double to single |
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* backslashes and backslash-t to literal tabs. |
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*/ |
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switch (cp[1]) { |
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case 'a': |
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case 't': |
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cp[0] = '\t'; |
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/* FALLTHROUGH */ |
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case '\\': |
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pairs++; |
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cp++; |
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break; |
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case ' ': |
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/* Skip escaped blanks. */ |
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if (0 == quoted) |
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cp++; |
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break; |
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default: |
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break; |
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} |
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} else if (0 == quoted) { |
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if (' ' == cp[0]) { |
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/* Unescaped blanks end unquoted args. */ |
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white = 1; |
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break; |
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} |
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} else if ('"' == cp[0]) { |
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if ('"' == cp[1]) { |
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/* Quoted quotes collapse. */ |
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pairs++; |
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cp++; |
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} else { |
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/* Unquoted quotes end quoted args. */ |
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quoted = 2; |
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break; |
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} |
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} |
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} |
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/* Quoted argument without a closing quote. */ |
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if (1 == quoted) |
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mandoc_msg(MANDOCERR_ARG_QUOTE, ln, *pos, NULL); |
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/* NUL-terminate this argument and move to the next one. */ |
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if (pairs) |
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cp[-pairs] = '\0'; |
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if ('\0' != *cp) { |
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*cp++ = '\0'; |
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while (' ' == *cp) |
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cp++; |
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} |
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*pos += (int)(cp - start) + (quoted ? 1 : 0); |
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*cpp = cp; |
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if ('\0' == *cp && (white || ' ' == cp[-1])) |
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mandoc_msg(MANDOCERR_SPACE_EOL, ln, *pos, NULL); |
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return start; |
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} |
} |
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static int |
static int |