diff options
Diffstat (limited to 'src/info2html/utils.c')
| -rw-r--r-- | src/info2html/utils.c | 273 |
1 files changed, 273 insertions, 0 deletions
diff --git a/src/info2html/utils.c b/src/info2html/utils.c new file mode 100644 index 00000000..db0fd0b5 --- /dev/null +++ b/src/info2html/utils.c @@ -0,0 +1,273 @@ +/* various utility functions */ + +#include <stdio.h> +#include <string.h> +#include <regex.h> + +#include <glib.h> + +#include "data.h" +#include "utils.h" + +void strip_spaces( char *str ) +{ + int len; + + len = strlen( str ); + if (len < 1) + return; + + while (*str == ' ') + { + len = strlen( str ); + memmove(str, str+1, len); + } + + len = strlen( str ); + while (*(str+len) == '\n') + { + *(str+len) = '\000'; + len = strlen( str ); + } + +#if 0 + q = str + strlen( str ); + for (p=str; *p == ' ' || *p == '\t'; p++); + for (r=q-1; *r == ' ' || *r == '\t'; r--); + len = r - p + 1; + memmove( str, p, len ); + *(str+len)='\000'; +#endif +} + +void strip_newlines( char *str ) +{ + char *p; + int len; + + len = strlen( str ); + if (len < 2) + return; + + for (p=str; len > 0; len--) + if ( *p == '\n' ) + { + if (len > 1) + memmove(p , p+1, len ); + else + *p = '\000'; + } + else + p++; +} + +void strip_dupspaces( char *str ) +{ + char *p; + int len; + + len = strlen( str ) - 1; + if (len < 2) + return; + + for (p=str+1; len > 0; len--) + if ( *p == ' ' && *(p-1) == ' ') + { + if (len > 1) + memmove(p , p+1, len ); + else + *p = '\000'; + } + else + p++; +} + +void convert_newlines_to_spaces( char *str ) +{ + char *p; + int len; + + /* trim head and trailing newlines */ + while (*str == '\n') + { + len = strlen( str ); + memmove(str, str+1, len); + } + + len = strlen( str ); + while (*(str+len) == '\n') + { + *(str+len) = '\000'; + len = strlen( str ); + } + + len = strlen( str ); + for (p=str; len > 0; len--, p++) + if ( *p == '\n' ) + *p = ' '; +} + +char * escape_html_chars( char *str ) +{ + char *p; + char *q; + char tmp[2]; + int len; + + if (!str) + return NULL; + + len = strlen( str ); +#if 0 + if (len <2) + fprintf(stderr,"escaped less < 2 chars= |%s|\n",str); + +#endif + + q = (char *) g_malloc( len * 5 + 4); + *q = '\000'; + *(tmp+1) = '\000'; + for (p=str; *p; p++) + if ( *p == '>' ) + strcat(q, ">"); + else if ( *p == '<' ) + strcat(q, "<"); + else if ( *p == '&' ) + strcat(q, "&"); + else + { + *tmp = *p; + strcat(q, tmp); + } + return q; +} + + +char *get_line_from_contents( char *ptr, int size ) +{ + char *eoln; + char *line; + int linelen; + + eoln = memchr(ptr, '\n', size); + if (eoln == NULL) + return NULL; + + linelen = (eoln-ptr); + line = (char *) g_malloc( linelen+1 ); + memcpy(line, ptr, linelen); + *(line+linelen) = '\000'; + return line; +} + +/* copies from string str up to any character in chr */ +/* if chr doesn't exist, return NULL */ +/* otherwise return location of match */ +/* allocates a new string if anything copied */ +char *copy_to_anychar( char *str, char *chr, char **copy ) +{ + int len; + char *match; + + match = strpbrk(str, chr); + if (!match) + return NULL; + + len = match - str; + *copy = (char *) g_malloc( len+1 ); + *(*copy+len) = '\000'; + memcpy(*copy, str, len ); + return match; +} + +/* allocates a new node */ +NODE *alloc_node() +{ + NODE * tmp; + + tmp = (NODE *) g_malloc( sizeof(NODE) ); + + if (tmp) + { + tmp->nodename=NULL; + tmp->filename=NULL; + tmp->contents=NULL; + tmp->contlen=0; + tmp->next=NULL; + tmp->prev=NULL; + tmp->up=NULL; + tmp->filename=NULL; + tmp->menu=NULL; + tmp->menu_start=NULL; + } + return tmp; +} + +/* deallocates a new node */ +void free_node(NODE *tmp) +{ + if (tmp) + { + if (tmp->nodename) + g_free(tmp->nodename); + if (tmp->filename) + g_free(tmp->filename); + if (tmp->contents) + g_free(tmp->contents); + } + g_free(tmp); +} + +#if 0 +void map_spaces_to_underscores( char *str ) +{ + char *p; + + for (p=str; *p; p++) + if (*p == ' ') + *p = '_'; +} +#endif + +void map_spaces_to_underscores( char *str ) +{ + char *p; + + for (p=str; *p; p++) + switch (*p) + { + case ' ': + case '\n': + case '\t': + case '`': + case '\'': + case '/': + case '\\': + case '"': + case '.': + case '!': + *p = '_'; + break; + } +} + + + +/* reduce infofile filename to basename alone */ +void fixup_info_filename( char *file ) +{ + char *ptr1; + char tail[] = ".info"; + + if (strlen(file) < 6) + return; + + ptr1 = strrchr( file, '.' ); + if (!ptr1) + return; + + if (!strncmp(ptr1, tail, strlen(tail))) + *ptr1 = '\000'; + +} + |