Rewrote md stuff and made it more compliant
This commit is contained in:
Nate Choe
@@ -16,6 +16,9 @@
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along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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#ifndef HAVE_IO
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#define HAVE_IO
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#include <stdio.h>
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struct linefile {
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@@ -27,3 +30,5 @@ void ungetline(struct linefile *file, char *line);
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char *getline(struct linefile *file);
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struct linefile *newlinefile(FILE *file);
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void freelinefile(struct linefile *file);
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#endif
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42
src/include/mdutil.h
Normal file
42
src/include/mdutil.h
Normal file
@@ -0,0 +1,42 @@
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/*
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ncdg - A program to help generate natechoe.dev
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Copyright (C) 2022 Nate Choe (natechoe9@gmail.com)
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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#ifndef HAVE_MDUTIL
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#define HAVE_MDUTIL
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enum linetype {
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EMPTY,
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PLAIN,
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SPACECODE,
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HR,
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SETEXT1,
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/* === */
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SETEXT2
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/* --- */
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};
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enum nodetype {
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PARAGRAPH,
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CODE,
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NONE
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};
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enum linetype identifyline(char *line);
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char *realcontent(char *line, enum linetype type);
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#endif
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35
src/include/util.h
Normal file
35
src/include/util.h
Normal file
@@ -0,0 +1,35 @@
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/*
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ncdg - A program to help generate natechoe.dev
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Copyright (C) 2022 Nate Choe (natechoe9@gmail.com)
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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#ifndef HAVE_UTIL
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#define HAVE_UTIL
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#include <stddef.h>
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struct string {
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size_t len;
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size_t alloc;
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char *data;
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};
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struct string *newstring();
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void freestring(struct string *str);
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int appendcharstring(struct string *str, char c);
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int appendstrstring(struct string *str, char *s);
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void resetstring(struct string *str);
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#endif
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86
src/mdutil.c
Normal file
86
src/mdutil.c
Normal file
@@ -0,0 +1,86 @@
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/*
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ncdg - A program to help generate natechoe.dev
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Copyright (C) 2022 Nate Choe (natechoe9@gmail.com)
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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#include <ctype.h>
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#include <string.h>
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#include <stddef.h>
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#include <mdutil.h>
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static char *truncate(char *str);
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enum linetype identifyline(char *line) {
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int i;
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for (i = 0; i < 4; ++i) {
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if (!isspace(line[i]))
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goto notcode;
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}
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return SPACECODE;
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notcode:
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line = truncate(line);
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if (line[0] == '\0')
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return EMPTY;
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{
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int hrcount;
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if (strchr("-*_=", line[0]) == NULL)
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goto nothr;
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/* A delimiting line can only contain '-', '*', '_', and ' '. */
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hrcount = 0;
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for (i = 0; line[i]; ++i) {
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if (!isspace(line[i]) && line[i] != line[0])
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goto nothr;
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/* You can't mix delimiter characters, and you can't
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* have anything other than a delimiter character or
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* white space. */
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if (line[i] == line[0])
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++hrcount;
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}
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if (hrcount >= 3) {
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switch (line[0]) {
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case '=':
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return SETEXT1;
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case '-':
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return SETEXT2;
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default:
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return HR;
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}
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}
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/* There has to be at least 3 delimiter characters */
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}
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nothr:
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return PLAIN;
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}
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/* TODO: Finish this */
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static char *truncate(char *str) {
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while (isspace(str[0]))
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++str;
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return str;
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}
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char *realcontent(char *line, enum linetype type) {
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switch (type) {
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case EMPTY: case HR: case SETEXT1: case SETEXT2:
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return NULL;
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case PLAIN:
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return line;
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case SPACECODE:
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return line + 4;
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}
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return NULL;
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}
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586
src/template.c
586
src/template.c
@@ -21,506 +21,132 @@
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#include <string.h>
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#include <io.h>
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#include <util.h>
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#include <mdutil.h>
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#include <template.h>
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enum paratype {
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NORMAL,
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EMPTY,
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H1, H2, H3, H4, H5, H6,
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BLOCKQUOTE,
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CODESPACE, CODEBACK,
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UL, OL,
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HL
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struct parsestate {
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enum nodetype type;
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struct string *para;
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};
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enum inlinetype {
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ITALIC,
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BOLD,
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CODE
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};
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static const struct {
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char c;
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char *escape;
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} escapes[] = {
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{'&', "&"},
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{';', ";"},
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{'<', "<"},
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{'>', ">"},
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};
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static int parsepara(struct linefile *infile, FILE *outfile);
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static enum paratype identifypara(char *line, char **contentret);
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static char *untrail(char *line);
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static size_t reallen(char *line);
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static int islinebreak(char *line);
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static int paraeasycase(struct linefile *infile, FILE *outfile,
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char *line, char *buff,
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char *tag, enum paratype type);
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static int parahardcase(struct linefile *infile, FILE *outfile,
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char *line, char *buff,
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char *vars, char *linetag, char *tag, enum paratype type);
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static int paracodecase(struct linefile *infile, FILE *outfile,
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char *line, char *buff,
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char *vars, enum paratype type);
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static long strsearch(char *data, long start, size_t datalen, char c, int reps);
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/* strsearch finds instances in data with reps repetitions of c. returns the
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* last instance in the first group. For example:
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*
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* c = '.', reps = 2, data = " ...", returns 2
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* c = '.', reps = 2, data = ".. ...", returns 4
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* c = '.', reps = 1, data = " ...", returns 3
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* */
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static long writelinked(char *data, long i, size_t len, char *tag,
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FILE *outfile);
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static int writeescape(char c, FILE *outfile);
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static int writedata(char *data, size_t len, FILE *outfile);
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static int writesimple(char *data, size_t len, FILE *outfile);
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static const char *escapedchars = "!\"#%&'()*,./:;?@[\\]^{|}~";
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static int parseline(char *line, struct parsestate *currstate, FILE *out);
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static int endpara(struct parsestate *state, FILE *out);
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int parsetemplate(FILE *infile, FILE *outfile) {
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struct linefile *realin;
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struct parsestate currstate;
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int code;
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currstate.type = NONE;
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currstate.para = newstring();
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realin = newlinefile(infile);
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while (parsepara(realin, outfile) == 0) ;
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for (;;) {
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char *currline;
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currline = getline(realin);
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if (currline == NULL) {
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code = 0;
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break;
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}
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if (parseline(currline, &currstate, outfile)) {
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code = 1;
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break;
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||||
}
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||||
}
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||||
endpara(&currstate, outfile);
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||||
freelinefile(realin);
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||||
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return 0;
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||||
return code;
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}
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||||
|
||||
static int parsepara(struct linefile *infile, FILE *outfile) {
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||||
for (;;) {
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||||
char *line, *buff;
|
||||
/* line exists for the explicit purpose of being freed later */
|
||||
enum paratype type;
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||||
static int parseline(char *line, struct parsestate *currstate, FILE *out) {
|
||||
enum linetype type;
|
||||
|
||||
line = getline(infile);
|
||||
if (line == NULL)
|
||||
type = identifyline(line);
|
||||
fflush(stdout);
|
||||
|
||||
switch (type) {
|
||||
case EMPTY:
|
||||
endpara(currstate, out);
|
||||
currstate->type = NONE;
|
||||
return 0;
|
||||
case SETEXT1:
|
||||
if (currstate->type != PARAGRAPH)
|
||||
return 1;
|
||||
type = identifypara(line, &buff);
|
||||
|
||||
buff = untrail(buff);
|
||||
|
||||
if (buff[0] == '\0') {
|
||||
free(line);
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||||
continue;
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||||
}
|
||||
|
||||
switch (type) {
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#define EASY_CASE(enumtype, tag) \
|
||||
case enumtype: \
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||||
paraeasycase(infile, outfile, line, buff, \
|
||||
tag, enumtype); \
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return 0;
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||||
#define HARD_CASE(enumtype, tag, linetag, vars) \
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||||
case enumtype: \
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||||
parahardcase(infile, outfile, line, buff, \
|
||||
vars, linetag, tag, enumtype); \
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||||
return 0;
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||||
#define CODE_CASE(enumtype, vars) \
|
||||
case enumtype: \
|
||||
paracodecase(infile, outfile, line, buff, \
|
||||
vars, enumtype); \
|
||||
return 0;
|
||||
EASY_CASE(H1, "h1");
|
||||
EASY_CASE(H2, "h2");
|
||||
EASY_CASE(H3, "h3");
|
||||
EASY_CASE(H4, "h4");
|
||||
EASY_CASE(H5, "h5");
|
||||
EASY_CASE(H6, "h6");
|
||||
HARD_CASE(NORMAL, "p", NULL, NULL);
|
||||
HARD_CASE(BLOCKQUOTE, "blockquote", NULL, NULL);
|
||||
HARD_CASE(UL, "ul", "li", NULL);
|
||||
HARD_CASE(OL, "ol", "li", NULL);
|
||||
CODE_CASE(CODESPACE, "class='block'");
|
||||
CODE_CASE(CODEBACK, "class='block'");
|
||||
case HL:
|
||||
fputs("<hr />", outfile);
|
||||
free(line);
|
||||
return 0;
|
||||
case EMPTY:
|
||||
free(line);
|
||||
continue;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
static int isbreak(char *line) {
|
||||
int count, i;
|
||||
char whitechar;
|
||||
count = 0;
|
||||
whitechar = '\0';
|
||||
for (i = 0; line[i] != '\0'; ++i) {
|
||||
if (line[i] == line[0])
|
||||
++count;
|
||||
else if (line[i] == ' ' || line[i] == '\t') {
|
||||
if (whitechar == '\0')
|
||||
whitechar = line[i];
|
||||
if (whitechar != line[i])
|
||||
return 0;
|
||||
currstate->type = NONE;
|
||||
fputs("<h1>", out);
|
||||
fwrite(currstate->para->data, 1, currstate->para->len, out);
|
||||
fputs("</h1>", out);
|
||||
resetstring(currstate->para);
|
||||
return 0;
|
||||
case SETEXT2:
|
||||
if (currstate->type != PARAGRAPH)
|
||||
goto hr;
|
||||
currstate->type = NONE;
|
||||
fputs("<h2>", out);
|
||||
fwrite(currstate->para->data, 1, currstate->para->len, out);
|
||||
fputs("</h2>", out);
|
||||
resetstring(currstate->para);
|
||||
return 0;
|
||||
case HR: hr:
|
||||
endpara(currstate, out);
|
||||
currstate->type = NONE;
|
||||
fputs("<hr>", out);
|
||||
return 0;
|
||||
case PLAIN:
|
||||
if (currstate->type != PARAGRAPH) {
|
||||
endpara(currstate, out);
|
||||
currstate->type = PARAGRAPH;
|
||||
}
|
||||
else
|
||||
return 0;
|
||||
appendcharstring(currstate->para, ' ');
|
||||
appendstrstring(currstate->para, realcontent(line, type));
|
||||
return 0;
|
||||
/* According to the commonmark spec, this markdown:
|
||||
|
||||
Chapter 1
|
||||
---
|
||||
|
||||
* Should NOT compile to this:
|
||||
|
||||
<p>Chapter 1</p><hr>
|
||||
|
||||
* but rather to this
|
||||
|
||||
<h2>Chapter 1</h2>
|
||||
|
||||
* This means that we need to store the contents of the
|
||||
* paragraph and only write after obtaining the whole thing
|
||||
* as to not include the wrong tags.
|
||||
* */
|
||||
case SPACECODE:
|
||||
if (currstate->type != CODE) {
|
||||
endpara(currstate, out);
|
||||
currstate->type = CODE;
|
||||
fputs("<code class='block'>", out);
|
||||
}
|
||||
else
|
||||
fputs("<br>", out);
|
||||
fputs(realcontent(line, type), out);
|
||||
break;
|
||||
}
|
||||
return count >= 3;
|
||||
return 0;
|
||||
}
|
||||
|
||||
static enum paratype identifypara(char *line, char **contentret) {
|
||||
int i;
|
||||
for (i = 0; i < 4; ++i) {
|
||||
if (line[i] == ' ')
|
||||
continue;
|
||||
if (line[i] == '\0')
|
||||
return EMPTY;
|
||||
goto whitegone;
|
||||
}
|
||||
|
||||
*contentret = line + i;
|
||||
return CODESPACE;
|
||||
|
||||
whitegone:
|
||||
line += i;
|
||||
/* At this point, line has no extraneous trailing whitespace */
|
||||
switch (line[0]) {
|
||||
case '\0':
|
||||
return EMPTY;
|
||||
case '#':
|
||||
for (i = 0; i < 6 && line[i] == '#'; ++i) ;
|
||||
*contentret = line + i;
|
||||
if (line[i] != '\0' && line[i] != ' ')
|
||||
goto normal;
|
||||
return H1 + i - 1;
|
||||
case '>':
|
||||
*contentret = line + 1;
|
||||
return BLOCKQUOTE;
|
||||
case '*':
|
||||
if (isbreak(line))
|
||||
return HL;
|
||||
*contentret = line + 1;
|
||||
return UL;
|
||||
case '-': case '_':
|
||||
if (isbreak(line))
|
||||
return HL;
|
||||
goto normal;
|
||||
case '`':
|
||||
for (i = 0; i < 3; ++i)
|
||||
if (line[i] != '`')
|
||||
goto normal;
|
||||
return CODEBACK;
|
||||
default:
|
||||
if (isdigit(line[0])) {
|
||||
for (i = 0; isdigit(line[i]); ++i) ;
|
||||
if (line[i] == '.' || line[i] == ')') {
|
||||
*contentret = line + i + 1;
|
||||
return OL;
|
||||
}
|
||||
}
|
||||
goto normal;
|
||||
normal:
|
||||
*contentret = line;
|
||||
return NORMAL;
|
||||
}
|
||||
}
|
||||
|
||||
static char *untrail(char *line) {
|
||||
while (isspace(line[0]))
|
||||
++line;
|
||||
return line;
|
||||
}
|
||||
|
||||
static size_t reallen(char *line) {
|
||||
size_t fakelen;
|
||||
fakelen = strlen(line);
|
||||
if (line[fakelen - 1] == '\\')
|
||||
--fakelen;
|
||||
while (isspace(line[fakelen]))
|
||||
--fakelen;
|
||||
return fakelen;
|
||||
}
|
||||
|
||||
static int islinebreak(char *line) {
|
||||
size_t len;
|
||||
int i;
|
||||
len = strlen(line);
|
||||
if (line[len - 1] == '\\')
|
||||
return 1;
|
||||
if (len < 2)
|
||||
static int endpara(struct parsestate *state, FILE *out) {
|
||||
switch (state->type) {
|
||||
case PARAGRAPH:
|
||||
fputs("<p>", out);
|
||||
fwrite(state->para->data, 1, state->para->len, out);
|
||||
fputs("</p>", out);
|
||||
resetstring(state->para);
|
||||
return 0;
|
||||
for (i = 0; i < 2; ++i)
|
||||
if (!isspace(line[len - i - 1]))
|
||||
return 0;
|
||||
case CODE:
|
||||
fputs("</code>", out);
|
||||
return 0;
|
||||
case NONE:
|
||||
return 0;
|
||||
}
|
||||
return 1;
|
||||
}
|
||||
|
||||
static int paraeasycase(struct linefile *infile, FILE *outfile,
|
||||
char *line, char *buff,
|
||||
char *tag, enum paratype type) {
|
||||
size_t writelen;
|
||||
|
||||
writelen = reallen(buff);
|
||||
|
||||
fprintf(outfile, "<%s>", tag);
|
||||
for (;;) {
|
||||
writedata(buff, writelen, outfile);
|
||||
free(line);
|
||||
line = getline(infile);
|
||||
if (line == NULL)
|
||||
break;
|
||||
if (identifypara(line, &buff) != type) {
|
||||
ungetline(infile, line);
|
||||
line = NULL;
|
||||
break;
|
||||
}
|
||||
else
|
||||
buff = untrail(buff);
|
||||
}
|
||||
fprintf(outfile, "</%s>", tag);
|
||||
|
||||
free(line);
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int parahardcase(struct linefile *infile, FILE *outfile,
|
||||
char *line, char *buff,
|
||||
char *vars, char *linetag, char *tag, enum paratype type) {
|
||||
size_t writelen;
|
||||
|
||||
if (vars == NULL)
|
||||
fprintf(outfile, "<%s>", tag);
|
||||
else
|
||||
fprintf(outfile, "<%s %s>", tag, vars);
|
||||
for (;;) {
|
||||
writelen = reallen(buff);
|
||||
|
||||
if (linetag != NULL)
|
||||
fprintf(outfile, "<%s>", linetag);
|
||||
writedata(buff, writelen, outfile);
|
||||
if (islinebreak(line))
|
||||
fputs("<br />", outfile);
|
||||
if (linetag != NULL)
|
||||
fprintf(outfile, "</%s>", linetag);
|
||||
|
||||
free(line);
|
||||
line = getline(infile);
|
||||
if (line == NULL)
|
||||
break;
|
||||
if (identifypara(line, &buff) != type) {
|
||||
buff = untrail(line);
|
||||
if (buff[0] == '\0') {
|
||||
free(line);
|
||||
line = NULL;
|
||||
break;
|
||||
}
|
||||
}
|
||||
else
|
||||
buff = untrail(buff);
|
||||
fputc(' ', outfile);
|
||||
}
|
||||
fprintf(outfile, "</%s>", tag);
|
||||
|
||||
free(line);
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int paracodecase(struct linefile *infile, FILE *outfile,
|
||||
char *line, char *buff,
|
||||
char *vars, enum paratype type) {
|
||||
int seenfirst;
|
||||
enum paratype newtype;
|
||||
|
||||
if (type != CODESPACE && type != CODEBACK)
|
||||
return 1;
|
||||
|
||||
if (vars == NULL)
|
||||
fputs("<code>", outfile);
|
||||
else
|
||||
fprintf(outfile, "<code %s>", vars);
|
||||
seenfirst = 0;
|
||||
newtype = type;
|
||||
for (;;) {
|
||||
if ((type == CODEBACK && type != newtype) ||
|
||||
newtype == CODESPACE) {
|
||||
if (seenfirst)
|
||||
fputs("<br />", outfile);
|
||||
seenfirst = 1;
|
||||
}
|
||||
|
||||
if (newtype != CODEBACK)
|
||||
writesimple(buff, -1, outfile);
|
||||
|
||||
free(line);
|
||||
line = getline(infile);
|
||||
if (line == NULL)
|
||||
return 1;
|
||||
|
||||
newtype = identifypara(line, &buff);
|
||||
if (type == CODEBACK && newtype == CODEBACK)
|
||||
break;
|
||||
if (type == CODESPACE && newtype != type) {
|
||||
ungetline(infile, line);
|
||||
break;
|
||||
}
|
||||
}
|
||||
fputs("</code>", outfile);
|
||||
|
||||
if (type == CODEBACK)
|
||||
free(line);
|
||||
return 0;
|
||||
}
|
||||
|
||||
static long strsearch(char *data, long start, size_t datalen,
|
||||
char c, int reps) {
|
||||
long i;
|
||||
|
||||
for (i = start; data[i] == c; ++i) ;
|
||||
|
||||
while (i + reps - 1 < datalen) {
|
||||
int j;
|
||||
for (j = 0; j < reps; ++j)
|
||||
if (data[i + j] != c)
|
||||
goto failure;
|
||||
goto success;
|
||||
continue;
|
||||
failure:
|
||||
++i;
|
||||
}
|
||||
return -1;
|
||||
|
||||
success:
|
||||
while (data[i + reps] == c && i + reps < datalen)
|
||||
++i;
|
||||
return i;
|
||||
}
|
||||
|
||||
static long writelinked(char *data, long i, size_t len, char *tag,
|
||||
FILE *outfile) {
|
||||
long linkend, textend;
|
||||
textend = strsearch(data, i, len, ']', 1);
|
||||
if (textend < 0)
|
||||
return -1;
|
||||
linkend = strsearch(data, textend, len, ')', 1);
|
||||
if (linkend < 0)
|
||||
return -1;
|
||||
if (strcmp(tag, "a") == 0) {
|
||||
fputs("<a href='", outfile);
|
||||
writesimple(data + textend + 2,
|
||||
linkend - textend - 2, outfile);
|
||||
fputs("'>", outfile);
|
||||
writesimple(data + i + 1,
|
||||
textend - i - 1, outfile);
|
||||
fputs("</a>", outfile);
|
||||
return linkend;
|
||||
}
|
||||
else if (strcmp(tag, "img") == 0) {
|
||||
fputs("<img src='", outfile);
|
||||
writesimple(data + textend + 2,
|
||||
linkend - textend - 2, outfile);
|
||||
fputs("' alt='", outfile);
|
||||
writesimple(data + i + 1,
|
||||
textend - i - 1, outfile);
|
||||
fputs("'>", outfile);
|
||||
return linkend;
|
||||
}
|
||||
return -1;
|
||||
}
|
||||
|
||||
static int writeescape(char c, FILE *outfile) {
|
||||
int i;
|
||||
for (i = 0; i < sizeof escapes / sizeof *escapes; ++i) {
|
||||
if (escapes[i].c == c) {
|
||||
fputs(escapes[i].escape, outfile);
|
||||
return 0;
|
||||
}
|
||||
}
|
||||
fputc(c, outfile);
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int writedata(char *data, size_t len, FILE *outfile) {
|
||||
long i;
|
||||
long start;
|
||||
long end;
|
||||
for (i = 0; i < len; ++i) {
|
||||
switch (data[i]) {
|
||||
#define STANDOUT_CHAR(c) \
|
||||
case c: \
|
||||
if (data[i + 1] == c) { \
|
||||
start = i + 2; \
|
||||
end = strsearch(data, start, len, \
|
||||
c, 2); \
|
||||
goto bold; \
|
||||
} \
|
||||
start = i + 1; \
|
||||
end = strsearch(data, start, len, c, 1); \
|
||||
goto italic;
|
||||
STANDOUT_CHAR('*');
|
||||
STANDOUT_CHAR('_');
|
||||
italic:
|
||||
if (end < 0)
|
||||
goto normal;
|
||||
fputs("<i>", outfile);
|
||||
writedata(data + start, end - start, outfile);
|
||||
fputs("</i>", outfile);
|
||||
i = end;
|
||||
break;
|
||||
bold:
|
||||
if (end < 0)
|
||||
goto normal;
|
||||
fputs("<b>", outfile);
|
||||
writedata(data + start, end - start, outfile);
|
||||
fputs("</b>", outfile);
|
||||
i = end + 1;
|
||||
break;
|
||||
|
||||
case '`':
|
||||
end = strsearch(data, i, len, '`', 1);
|
||||
if (end < 0)
|
||||
goto normal;
|
||||
fputs("<code>", outfile);
|
||||
writedata(data + i, end - i, outfile);
|
||||
fputs("</code>", outfile);
|
||||
i = end;
|
||||
break;
|
||||
case '[':
|
||||
end = writelinked(data, i, len, "a", outfile);
|
||||
if (end < 0)
|
||||
goto normal;
|
||||
i = end;
|
||||
break;
|
||||
case '!':
|
||||
end = writelinked(data, i + 1, len, "img", outfile);
|
||||
if (end < 0)
|
||||
goto normal;
|
||||
i = end;
|
||||
break;
|
||||
case '\\':
|
||||
if (i == len ||
|
||||
strchr(escapedchars, data[i+1]) == NULL) {
|
||||
fputc('\\', outfile);
|
||||
break;
|
||||
}
|
||||
++i;
|
||||
goto normal;
|
||||
default: normal:
|
||||
writeescape(data[i], outfile);
|
||||
break;
|
||||
}
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int writesimple(char *data, size_t len, FILE *outfile) {
|
||||
long i;
|
||||
for (i = 0; (len < 0 && data[i] != '\0') || i < len; ++i) {
|
||||
if (data[i] == '\\')
|
||||
if (strchr(escapedchars, data[i]) == NULL)
|
||||
fputc('\\', outfile);
|
||||
writeescape(data[i], outfile);
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
79
src/util.c
Normal file
79
src/util.c
Normal file
@@ -0,0 +1,79 @@
|
||||
/*
|
||||
ncdg - A program to help generate natechoe.dev
|
||||
Copyright (C) 2022 Nate Choe (natechoe9@gmail.com)
|
||||
|
||||
This program is free software: you can redistribute it and/or modify
|
||||
it under the terms of the GNU General Public License as published by
|
||||
the Free Software Foundation, either version 3 of the License, or
|
||||
(at your option) any later version.
|
||||
|
||||
This program is distributed in the hope that it will be useful,
|
||||
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
GNU General Public License for more details.
|
||||
|
||||
You should have received a copy of the GNU General Public License
|
||||
along with this program. If not, see <https://www.gnu.org/licenses/>.
|
||||
*/
|
||||
#include <stdlib.h>
|
||||
#include <string.h>
|
||||
|
||||
#include <util.h>
|
||||
|
||||
struct string *newstring() {
|
||||
struct string *ret;
|
||||
ret = malloc(sizeof *ret);
|
||||
if (ret == NULL)
|
||||
return NULL;
|
||||
ret->len = 0;
|
||||
ret->alloc = 20;
|
||||
ret->data = malloc(ret->alloc);
|
||||
if (ret->data == NULL)
|
||||
return NULL;
|
||||
return ret;
|
||||
}
|
||||
|
||||
void freestring(struct string *str) {
|
||||
free(str->data);
|
||||
free(str);
|
||||
}
|
||||
|
||||
int appendcharstring(struct string *str, char c) {
|
||||
if (str->len >= str->alloc) {
|
||||
char *newdata;
|
||||
size_t newalloc;
|
||||
newalloc = str->alloc * 2;
|
||||
newdata = realloc(str->data, newalloc);
|
||||
if (newdata == NULL) {
|
||||
return 1;
|
||||
}
|
||||
str->data = newdata;
|
||||
str->alloc = newalloc;
|
||||
}
|
||||
str->data[str->len++] = c;
|
||||
return 0;
|
||||
}
|
||||
|
||||
int appendstrstring(struct string *str, char *s) {
|
||||
size_t len;
|
||||
len = strlen(s);
|
||||
if (str->len + len >= str->alloc) {
|
||||
char *newdata;
|
||||
size_t newalloc;
|
||||
newalloc = str->alloc;
|
||||
while (str->len + len >= newalloc)
|
||||
newalloc *= 2;
|
||||
newdata = realloc(str->data, newalloc);
|
||||
if (newdata == NULL)
|
||||
return 1;
|
||||
str->data = newdata;
|
||||
str->alloc = newalloc;
|
||||
}
|
||||
memcpy(str->data + str->len, s, len);
|
||||
str->len += len;
|
||||
return 0;
|
||||
}
|
||||
|
||||
void resetstring(struct string *str) {
|
||||
str->len = 0;
|
||||
}
|
||||
Reference in New Issue
Block a user