From patchwork Tue Aug 27 12:55:35 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sean Young X-Patchwork-Id: 11116869 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 6E97C1800 for ; Tue, 27 Aug 2019 12:55:38 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 207EA2077B for ; Tue, 27 Aug 2019 12:55:38 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729072AbfH0Mzh (ORCPT ); Tue, 27 Aug 2019 08:55:37 -0400 Received: from gofer.mess.org ([88.97.38.141]:52263 "EHLO gofer.mess.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729803AbfH0Mzh (ORCPT ); Tue, 27 Aug 2019 08:55:37 -0400 Received: by gofer.mess.org (Postfix, from userid 1000) id A77BF60667; Tue, 27 Aug 2019 13:55:35 +0100 (BST) From: Sean Young To: linux-media@vger.kernel.org Subject: [PATCH v4l-utils 2/2] toml: update to tomlc99 commit f12c8f00b457defaae1495773d76dfb9ff1bf4c8 Date: Tue, 27 Aug 2019 13:55:35 +0100 Message-Id: <20190827125535.2858-2-sean@mess.org> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20190827125535.2858-1-sean@mess.org> References: <20190827125535.2858-1-sean@mess.org> Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org The toml reader has a a slew of updates. Sync. Signed-off-by: Sean Young --- utils/common/toml.c | 1584 +++++++++++++++++++++++-------------------- utils/common/toml.h | 50 +- 2 files changed, 892 insertions(+), 742 deletions(-) diff --git a/utils/common/toml.c b/utils/common/toml.c index e4b57190..2a9f3dac 100644 --- a/utils/common/toml.c +++ b/utils/common/toml.c @@ -1,7 +1,7 @@ /* MIT License -Copyright (c) 2017 CK Tan +Copyright (c) 2017 - 2019 CK Tan https://github.com/cktan/tomlc99 Permission is hereby granted, free of charge, to any person obtaining a copy @@ -39,8 +39,8 @@ char* strndup(const char* s, size_t n) size_t len = strnlen(s, n); char* p = malloc(len+1); if (p) { - memcpy(p, s, len); - p[len] = 0; + memcpy(p, s, len); + p[len] = 0; } return p; } @@ -61,76 +61,78 @@ int toml_utf8_to_ucs(const char* orig, int len, int64_t* ret) 0xxxxxxx */ if (0 == (i >> 7)) { - if (len < 1) return -1; - v = i; - return *ret = v, 1; + if (len < 1) return -1; + v = i; + return *ret = v, 1; } /* 0x00000080 - 0x000007FF: 110xxxxx 10xxxxxx */ if (0x6 == (i >> 5)) { - if (len < 2) return -1; - v = i & 0x1f; - i = *(++buf); - if (0x2 != (i >> 6)) return -1; - v = (v << 6) | (i & 0x3f); - return *ret = v, (const char*) buf - orig; + if (len < 2) return -1; + v = i & 0x1f; + for (int j = 0; j < 1; j++) { + i = *buf++; + if (0x2 != (i >> 6)) return -1; + v = (v << 6) | (i & 0x3f); + } + return *ret = v, (const char*) buf - orig; } /* 0x00000800 - 0x0000FFFF: 1110xxxx 10xxxxxx 10xxxxxx */ if (0xE == (i >> 4)) { - if (len < 3) return -1; - v = i & 0x0F; - for (int j = 0; j < 2; j++) { - i = *(++buf); - if (0x2 != (i >> 6)) return -1; - v = (v << 6) | (i & 0x3f); - } - return *ret = v, (const char*) buf - orig; + if (len < 3) return -1; + v = i & 0x0F; + for (int j = 0; j < 2; j++) { + i = *buf++; + if (0x2 != (i >> 6)) return -1; + v = (v << 6) | (i & 0x3f); + } + return *ret = v, (const char*) buf - orig; } /* 0x00010000 - 0x001FFFFF: 11110xxx 10xxxxxx 10xxxxxx 10xxxxxx */ if (0x1E == (i >> 3)) { - if (len < 4) return -1; - v = i & 0x07; - for (int j = 0; j < 3; j++) { - i = *(++buf); - if (0x2 != (i >> 6)) return -1; - v = (v << 6) | (i & 0x3f); - } - return *ret = v, (const char*) buf - orig; + if (len < 4) return -1; + v = i & 0x07; + for (int j = 0; j < 3; j++) { + i = *buf++; + if (0x2 != (i >> 6)) return -1; + v = (v << 6) | (i & 0x3f); + } + return *ret = v, (const char*) buf - orig; } /* 0x00200000 - 0x03FFFFFF: 111110xx 10xxxxxx 10xxxxxx 10xxxxxx 10xxxxxx */ if (0x3E == (i >> 2)) { - if (len < 5) return -1; - v = i & 0x03; - for (int j = 0; j < 4; j++) { - i = *(++buf); - if (0x2 != (i >> 6)) return -1; - v = (v << 6) | (i & 0x3f); - } - return *ret = v, (const char*) buf - orig; + if (len < 5) return -1; + v = i & 0x03; + for (int j = 0; j < 4; j++) { + i = *buf++; + if (0x2 != (i >> 6)) return -1; + v = (v << 6) | (i & 0x3f); + } + return *ret = v, (const char*) buf - orig; } /* 0x04000000 - 0x7FFFFFFF: 1111110x 10xxxxxx 10xxxxxx 10xxxxxx 10xxxxxx 10xxxxxx */ if (0x7e == (i >> 1)) { - if (len < 6) return -1; - v = i & 0x01; - for (int j = 0; j < 5; j++) { - i = *(++buf); - if (0x2 != (i >> 6)) return -1; - v = (v << 6) | (i & 0x3f); - } - return *ret = v, (const char*) buf - orig; + if (len < 6) return -1; + v = i & 0x01; + for (int j = 0; j < 5; j++) { + i = *buf++; + if (0x2 != (i >> 6)) return -1; + v = (v << 6) | (i & 0x3f); + } + return *ret = v, (const char*) buf - orig; } return -1; } @@ -156,63 +158,63 @@ int toml_ucs_to_utf8(int64_t code, char buf[6]) */ if (code < 0) return -1; if (code <= 0x7F) { - buf[0] = (unsigned char) code; - return 1; + buf[0] = (unsigned char) code; + return 1; } /* 0x00000080 - 0x000007FF: 110xxxxx 10xxxxxx */ if (code <= 0x000007FF) { - buf[0] = 0xc0 | (code >> 6); - buf[1] = 0x80 | (code & 0x3f); - return 2; + buf[0] = 0xc0 | (code >> 6); + buf[1] = 0x80 | (code & 0x3f); + return 2; } /* 0x00000800 - 0x0000FFFF: 1110xxxx 10xxxxxx 10xxxxxx */ if (code <= 0x0000FFFF) { - buf[0] = 0xe0 | (code >> 12); - buf[1] = 0x80 | ((code >> 6) & 0x3f); - buf[2] = 0x80 | (code & 0x3f); - return 3; + buf[0] = 0xe0 | (code >> 12); + buf[1] = 0x80 | ((code >> 6) & 0x3f); + buf[2] = 0x80 | (code & 0x3f); + return 3; } /* 0x00010000 - 0x001FFFFF: 11110xxx 10xxxxxx 10xxxxxx 10xxxxxx */ if (code <= 0x001FFFFF) { - buf[0] = 0xf0 | (code >> 18); - buf[1] = 0x80 | ((code >> 12) & 0x3f); - buf[2] = 0x80 | ((code >> 6) & 0x3f); - buf[3] = 0x80 | (code & 0x3f); - return 4; + buf[0] = 0xf0 | (code >> 18); + buf[1] = 0x80 | ((code >> 12) & 0x3f); + buf[2] = 0x80 | ((code >> 6) & 0x3f); + buf[3] = 0x80 | (code & 0x3f); + return 4; } /* 0x00200000 - 0x03FFFFFF: 111110xx 10xxxxxx 10xxxxxx 10xxxxxx 10xxxxxx */ if (code <= 0x03FFFFFF) { - buf[0] = 0xf8 | (code >> 24); - buf[1] = 0x80 | ((code >> 18) & 0x3f); - buf[2] = 0x80 | ((code >> 12) & 0x3f); - buf[3] = 0x80 | ((code >> 6) & 0x3f); - buf[4] = 0x80 | (code & 0x3f); - return 5; + buf[0] = 0xf8 | (code >> 24); + buf[1] = 0x80 | ((code >> 18) & 0x3f); + buf[2] = 0x80 | ((code >> 12) & 0x3f); + buf[3] = 0x80 | ((code >> 6) & 0x3f); + buf[4] = 0x80 | (code & 0x3f); + return 5; } /* 0x04000000 - 0x7FFFFFFF: 1111110x 10xxxxxx 10xxxxxx 10xxxxxx 10xxxxxx 10xxxxxx */ if (code <= 0x7FFFFFFF) { - buf[0] = 0xfc | (code >> 30); - buf[1] = 0x80 | ((code >> 24) & 0x3f); - buf[2] = 0x80 | ((code >> 18) & 0x3f); - buf[3] = 0x80 | ((code >> 12) & 0x3f); - buf[4] = 0x80 | ((code >> 6) & 0x3f); - buf[5] = 0x80 | (code & 0x3f); - return 6; + buf[0] = 0xfc | (code >> 30); + buf[1] = 0x80 | ((code >> 24) & 0x3f); + buf[2] = 0x80 | ((code >> 18) & 0x3f); + buf[3] = 0x80 | ((code >> 12) & 0x3f); + buf[4] = 0x80 | ((code >> 6) & 0x3f); + buf[5] = 0x80 | (code & 0x3f); + return 6; } return -1; @@ -224,28 +226,28 @@ int toml_ucs_to_utf8(int64_t code, char buf[6]) */ typedef struct toml_keyval_t toml_keyval_t; struct toml_keyval_t { - const char* key; /* key to this value */ - const char* val; /* the raw value */ + const char* key; /* key to this value */ + const char* val; /* the raw value */ }; struct toml_array_t { - const char* key; /* key to this array */ + const char* key; /* key to this array */ int kind; /* element kind: 'v'alue, 'a'rray, or 't'able */ int type; /* for value kind: 'i'nt, 'd'ouble, 'b'ool, 's'tring, 't'ime, 'D'ate, 'T'imestamp */ - int nelem; /* number of elements */ + int nelem; /* number of elements */ union { - char** val; - toml_array_t** arr; - toml_table_t** tab; + char** val; + toml_array_t** arr; + toml_table_t** tab; } u; }; struct toml_table_t { - const char* key; /* key to this table */ - int implicit; /* table was created implicitly */ + const char* key; /* key to this table */ + int implicit; /* table was created implicitly */ /* key-values in the table */ int nkval; @@ -282,7 +284,7 @@ typedef struct token_t token_t; struct token_t { tokentype_t tok; int lineno; - char* ptr; + char* ptr; /* points into context->start */ int len; int eof; }; @@ -301,9 +303,9 @@ struct context_t { toml_table_t* curtab; struct { - int top; - char* key[10]; - token_t tok[10]; + int top; + char* key[10]; + token_t tok[10]; } tpath; }; @@ -358,12 +360,12 @@ static int e_key_exists_error(context_t* ctx, token_t keytok) char buf[100]; int i; for (i = 0; i < keytok.len && i < (int)sizeof(buf) - 1; i++) { - buf[i] = keytok.ptr[i]; + buf[i] = keytok.ptr[i]; } buf[i] = 0; snprintf(ctx->errbuf, ctx->errbufsz, - "line %d: key %s exists", keytok.lineno, buf); + "line %d: key %s exists", keytok.lineno, buf); longjmp(ctx->jmp, 1); return -1; } @@ -375,103 +377,103 @@ static int e_key_exists_error(context_t* ctx, token_t keytok) * Returns NULL if error with errmsg in errbuf. */ static char* normalize_string(const char* src, int srclen, - int kill_line_ending_backslash, - char* errbuf, int errbufsz) + int kill_line_ending_backslash, + char* errbuf, int errbufsz) { - char* dst = 0; /* will write to dst[] and return it */ - int max = 0; /* max size of dst[] */ - int off = 0; /* cur offset in dst[] */ + char* dst = 0; /* will write to dst[] and return it */ + int max = 0; /* max size of dst[] */ + int off = 0; /* cur offset in dst[] */ const char* sp = src; const char* sq = src + srclen; int ch; /* scan forward on src */ for (;;) { - if (off >= max - 10) { /* have some slack for misc stuff */ - char* x = realloc(dst, max += 100); - if (!x) { - xfree(dst); - snprintf(errbuf, errbufsz, "out of memory"); - return 0; - } - dst = x; - } - - /* finished? */ - if (sp >= sq) break; - - ch = *sp++; - if (ch != '\\') { - // a plain copy suffice - dst[off++] = ch; - continue; - } + if (off >= max - 10) { /* have some slack for misc stuff */ + char* x = realloc(dst, max += 100); + if (!x) { + xfree(dst); + snprintf(errbuf, errbufsz, "out of memory"); + return 0; + } + dst = x; + } + + /* finished? */ + if (sp >= sq) break; + + ch = *sp++; + if (ch != '\\') { + // a plain copy suffice + dst[off++] = ch; + continue; + } - /* ch was backslash. we expect the escape char. */ - if (sp >= sq) { - snprintf(errbuf, errbufsz, "last backslash is invalid"); - free(dst); - return 0; - } + /* ch was backslash. we expect the escape char. */ + if (sp >= sq) { + snprintf(errbuf, errbufsz, "last backslash is invalid"); + free(dst); + return 0; + } - /* if we want to kill line-ending-backslash ... */ - if (kill_line_ending_backslash) { - /* if this is a newline immediately following the backslash ... */ - if (*sp == '\n' || (*sp == '\r' && sp[1] == '\n')) { - /* skip all the following whitespaces */ - sp += strspn(sp, " \t\r\n"); - continue; - } - } + /* if we want to kill line-ending-backslash ... */ + if (kill_line_ending_backslash) { + /* if this is a newline immediately following the backslash ... */ + if (*sp == '\n' || (*sp == '\r' && sp[1] == '\n')) { + /* skip all the following whitespaces */ + sp += strspn(sp, " \t\r\n"); + continue; + } + } - /* get the escaped char */ - ch = *sp++; - switch (ch) { - case 'u': case 'U': - { - int64_t ucs = 0; - int nhex = (ch == 'u' ? 4 : 8); - for (int i = 0; i < nhex; i++) { - if (sp >= sq) { - snprintf(errbuf, errbufsz, "\\%c expects %d hex chars", ch, nhex); - free(dst); - return 0; - } - ch = *sp++; - int v = ('0' <= ch && ch <= '9') - ? ch - '0' - : (('A' <= ch && ch <= 'F') ? ch - 'A' + 10 : -1); - if (-1 == v) { - snprintf(errbuf, errbufsz, "invalid hex chars for \\u or \\U"); - free(dst); - return 0; - } - ucs = ucs * 16 + v; - } - int n = toml_ucs_to_utf8(ucs, &dst[off]); - if (-1 == n) { - snprintf(errbuf, errbufsz, "illegal ucs code in \\u or \\U"); - free(dst); - return 0; - } - off += n; - } - continue; - - case 'b': ch = '\b'; break; - case 't': ch = '\t'; break; - case 'n': ch = '\n'; break; - case 'f': ch = '\f'; break; - case 'r': ch = '\r'; break; - case '"': ch = '"'; break; - case '\\': ch = '\\'; break; - default: - snprintf(errbuf, errbufsz, "illegal escape char \\%c", ch); - free(dst); - return 0; - } + /* get the escaped char */ + ch = *sp++; + switch (ch) { + case 'u': case 'U': + { + int64_t ucs = 0; + int nhex = (ch == 'u' ? 4 : 8); + for (int i = 0; i < nhex; i++) { + if (sp >= sq) { + snprintf(errbuf, errbufsz, "\\%c expects %d hex chars", ch, nhex); + free(dst); + return 0; + } + ch = *sp++; + int v = ('0' <= ch && ch <= '9') + ? ch - '0' + : (('A' <= ch && ch <= 'F') ? ch - 'A' + 10 : -1); + if (-1 == v) { + snprintf(errbuf, errbufsz, "invalid hex chars for \\u or \\U"); + free(dst); + return 0; + } + ucs = ucs * 16 + v; + } + int n = toml_ucs_to_utf8(ucs, &dst[off]); + if (-1 == n) { + snprintf(errbuf, errbufsz, "illegal ucs code in \\u or \\U"); + free(dst); + return 0; + } + off += n; + } + continue; + + case 'b': ch = '\b'; break; + case 't': ch = '\t'; break; + case 'n': ch = '\n'; break; + case 'f': ch = '\f'; break; + case 'r': ch = '\r'; break; + case '"': ch = '"'; break; + case '\\': ch = '\\'; break; + default: + snprintf(errbuf, errbufsz, "illegal escape char \\%c", ch); + free(dst); + return 0; + } - dst[off++] = ch; + dst[off++] = ch; } // Cap with NUL and return it. @@ -492,43 +494,43 @@ static char* normalize_key(context_t* ctx, token_t strtok) /* handle quoted string */ if (ch == '\'' || ch == '\"') { - /* if ''' or """, take 3 chars off front and back. Else, take 1 char off. */ - if (sp[1] == ch && sp[2] == ch) - sp += 3, sq -= 3; - else - sp++, sq--; - - if (ch == '\'') { - /* for single quote, take it verbatim. */ - if (! (ret = strndup(sp, sq - sp))) { + /* if ''' or """, take 3 chars off front and back. Else, take 1 char off. */ + if (sp[1] == ch && sp[2] == ch) + sp += 3, sq -= 3; + else + sp++, sq--; + + if (ch == '\'') { + /* for single quote, take it verbatim. */ + if (! (ret = strndup(sp, sq - sp))) { e_outofmemory(ctx, FLINE); return 0; /* not reached */ } - } else { - /* for double quote, we need to normalize */ - ret = normalize_string(sp, sq - sp, 0, ebuf, sizeof(ebuf)); - if (!ret) { - snprintf(ctx->errbuf, ctx->errbufsz, "line %d: %s", lineno, ebuf); - longjmp(ctx->jmp, 1); - } - } + } else { + /* for double quote, we need to normalize */ + ret = normalize_string(sp, sq - sp, 0, ebuf, sizeof(ebuf)); + if (!ret) { + snprintf(ctx->errbuf, ctx->errbufsz, "line %d: %s", lineno, ebuf); + longjmp(ctx->jmp, 1); + } + } - /* newlines are not allowed in keys */ - if (strchr(ret, '\n')) { - free(ret); - e_bad_key_error(ctx, lineno); + /* newlines are not allowed in keys */ + if (strchr(ret, '\n')) { + free(ret); + e_bad_key_error(ctx, lineno); return 0; /* not reached */ - } - return ret; + } + return ret; } - + /* for bare-key allow only this regex: [A-Za-z0-9_-]+ */ const char* xp; for (xp = sp; xp != sq; xp++) { - int k = *xp; - if (isalnum(k)) continue; - if (k == '_' || k == '-') continue; - e_bad_key_error(ctx, lineno); + int k = *xp; + if (isalnum(k)) continue; + if (k == '_' || k == '-') continue; + e_bad_key_error(ctx, lineno); return 0; /* not reached */ } @@ -546,9 +548,9 @@ static char* normalize_key(context_t* ctx, token_t strtok) * 'v'alue, 'a'rray or 't'able depending on the element. */ static int check_key(toml_table_t* tab, const char* key, - toml_keyval_t** ret_val, - toml_array_t** ret_arr, - toml_table_t** ret_tab) + toml_keyval_t** ret_val, + toml_array_t** ret_arr, + toml_table_t** ret_tab) { int i; void* dummy; @@ -560,22 +562,22 @@ static int check_key(toml_table_t* tab, const char* key, *ret_tab = 0; *ret_arr = 0; *ret_val = 0; for (i = 0; i < tab->nkval; i++) { - if (0 == strcmp(key, tab->kval[i]->key)) { - *ret_val = tab->kval[i]; - return 'v'; - } + if (0 == strcmp(key, tab->kval[i]->key)) { + *ret_val = tab->kval[i]; + return 'v'; + } } for (i = 0; i < tab->narr; i++) { - if (0 == strcmp(key, tab->arr[i]->key)) { - *ret_arr = tab->arr[i]; - return 'a'; - } + if (0 == strcmp(key, tab->arr[i]->key)) { + *ret_arr = tab->arr[i]; + return 'a'; + } } for (i = 0; i < tab->ntab; i++) { - if (0 == strcmp(key, tab->tab[i]->key)) { - *ret_tab = tab->tab[i]; - return 't'; - } + if (0 == strcmp(key, tab->tab[i]->key)) { + *ret_tab = tab->tab[i]; + return 't'; + } } return 0; } @@ -592,8 +594,8 @@ static toml_keyval_t* create_keyval_in_table(context_t* ctx, toml_table_t* tab, /* if key exists: error out. */ toml_keyval_t* dest = 0; if (check_key(tab, newkey, 0, 0, 0)) { - free(newkey); - e_key_exists_error(ctx, keytok); + free(newkey); + e_key_exists_error(ctx, keytok); return 0; /* not reached */ } @@ -601,15 +603,15 @@ static toml_keyval_t* create_keyval_in_table(context_t* ctx, toml_table_t* tab, int n = tab->nkval; toml_keyval_t** base; if (0 == (base = (toml_keyval_t**) realloc(tab->kval, (n+1) * sizeof(*base)))) { - free(newkey); - e_outofmemory(ctx, FLINE); + free(newkey); + e_outofmemory(ctx, FLINE); return 0; /* not reached */ } tab->kval = base; if (0 == (base[n] = (toml_keyval_t*) calloc(1, sizeof(*base[n])))) { - free(newkey); - e_outofmemory(ctx, FLINE); + free(newkey); + e_outofmemory(ctx, FLINE); return 0; /* not reached */ } dest = tab->kval[tab->nkval++]; @@ -632,15 +634,15 @@ static toml_table_t* create_keytable_in_table(context_t* ctx, toml_table_t* tab, /* if key exists: error out */ toml_table_t* dest = 0; if (check_key(tab, newkey, 0, 0, &dest)) { - free(newkey); /* don't need this anymore */ - - /* special case: if table exists, but was created implicitly ... */ - if (dest && dest->implicit) { - /* we make it explicit now, and simply return it. */ - dest->implicit = 0; - return dest; - } - e_key_exists_error(ctx, keytok); + free(newkey); /* don't need this anymore */ + + /* special case: if table exists, but was created implicitly ... */ + if (dest && dest->implicit) { + /* we make it explicit now, and simply return it. */ + dest->implicit = 0; + return dest; + } + e_key_exists_error(ctx, keytok); return 0; /* not reached */ } @@ -648,15 +650,15 @@ static toml_table_t* create_keytable_in_table(context_t* ctx, toml_table_t* tab, int n = tab->ntab; toml_table_t** base; if (0 == (base = (toml_table_t**) realloc(tab->tab, (n+1) * sizeof(*base)))) { - free(newkey); - e_outofmemory(ctx, FLINE); + free(newkey); + e_outofmemory(ctx, FLINE); return 0; /* not reached */ } tab->tab = base; - + if (0 == (base[n] = (toml_table_t*) calloc(1, sizeof(*base[n])))) { - free(newkey); - e_outofmemory(ctx, FLINE); + free(newkey); + e_outofmemory(ctx, FLINE); return 0; /* not reached */ } dest = tab->tab[tab->ntab++]; @@ -670,9 +672,9 @@ static toml_table_t* create_keytable_in_table(context_t* ctx, toml_table_t* tab, /* Create an array in the table. */ static toml_array_t* create_keyarray_in_table(context_t* ctx, - toml_table_t* tab, - token_t keytok, - int skip_if_exist) + toml_table_t* tab, + token_t keytok, + int skip_if_exist) { /* first, normalize the key to be used for lookup. * remember to free it if we error out. @@ -682,12 +684,12 @@ static toml_array_t* create_keyarray_in_table(context_t* ctx, /* if key exists: error out */ toml_array_t* dest = 0; if (check_key(tab, newkey, 0, &dest, 0)) { - free(newkey); /* don't need this anymore */ + free(newkey); /* don't need this anymore */ - /* special case skip if exists? */ - if (skip_if_exist) return dest; - - e_key_exists_error(ctx, keytok); + /* special case skip if exists? */ + if (skip_if_exist) return dest; + + e_key_exists_error(ctx, keytok); return 0; /* not reached */ } @@ -695,15 +697,15 @@ static toml_array_t* create_keyarray_in_table(context_t* ctx, int n = tab->narr; toml_array_t** base; if (0 == (base = (toml_array_t**) realloc(tab->arr, (n+1) * sizeof(*base)))) { - free(newkey); - e_outofmemory(ctx, FLINE); + free(newkey); + e_outofmemory(ctx, FLINE); return 0; /* not reached */ } tab->arr = base; - + if (0 == (base[n] = (toml_array_t*) calloc(1, sizeof(*base[n])))) { - free(newkey); - e_outofmemory(ctx, FLINE); + free(newkey); + e_outofmemory(ctx, FLINE); return 0; /* not reached */ } dest = tab->arr[tab->narr++]; @@ -716,18 +718,18 @@ static toml_array_t* create_keyarray_in_table(context_t* ctx, /* Create an array in an array */ static toml_array_t* create_array_in_array(context_t* ctx, - toml_array_t* parent) + toml_array_t* parent) { int n = parent->nelem; toml_array_t** base; if (0 == (base = (toml_array_t**) realloc(parent->u.arr, (n+1) * sizeof(*base)))) { - e_outofmemory(ctx, FLINE); + e_outofmemory(ctx, FLINE); return 0; /* not reached */ } parent->u.arr = base; if (0 == (base[n] = (toml_array_t*) calloc(1, sizeof(*base[n])))) { - e_outofmemory(ctx, FLINE); + e_outofmemory(ctx, FLINE); return 0; /* not reached */ } @@ -737,18 +739,18 @@ static toml_array_t* create_array_in_array(context_t* ctx, /* Create a table in an array */ static toml_table_t* create_table_in_array(context_t* ctx, - toml_array_t* parent) + toml_array_t* parent) { int n = parent->nelem; toml_table_t** base; if (0 == (base = (toml_table_t**) realloc(parent->u.tab, (n+1) * sizeof(*base)))) { - e_outofmemory(ctx, FLINE); + e_outofmemory(ctx, FLINE); return 0; /* not reached */ } parent->u.tab = base; if (0 == (base[n] = (toml_table_t*) calloc(1, sizeof(*base[n])))) { - e_outofmemory(ctx, FLINE); + e_outofmemory(ctx, FLINE); return 0; /* not reached */ } @@ -772,28 +774,35 @@ static void parse_table(context_t* ctx, toml_table_t* tab) EAT_TOKEN(ctx, LBRACE); for (;;) { - SKIP_NEWLINES(ctx); + if (ctx->tok.tok == NEWLINE) { + e_syntax_error(ctx, ctx->tok.lineno, "newline not allowed in inline table"); + return; /* not reached */ + } - /* until } */ - if (ctx->tok.tok == RBRACE) break; + /* until } */ + if (ctx->tok.tok == RBRACE) break; - if (ctx->tok.tok != STRING) { + if (ctx->tok.tok != STRING) { e_syntax_error(ctx, ctx->tok.lineno, "syntax error"); return; /* not reached */ - } + } parse_keyval(ctx, tab); - SKIP_NEWLINES(ctx); + + if (ctx->tok.tok == NEWLINE) { + e_syntax_error(ctx, ctx->tok.lineno, "newline not allowed in inline table"); + return; /* not reached */ + } - /* on comma, continue to scan for next keyval */ - if (ctx->tok.tok == COMMA) { - EAT_TOKEN(ctx, COMMA); - continue; - } - break; + /* on comma, continue to scan for next keyval */ + if (ctx->tok.tok == COMMA) { + EAT_TOKEN(ctx, COMMA); + continue; + } + break; } if (ctx->tok.tok != RBRACE) { - e_syntax_error(ctx, ctx->tok.lineno, "syntax error"); + e_syntax_error(ctx, ctx->tok.lineno, "syntax error"); return; /* not reached */ } @@ -808,9 +817,9 @@ static int valtype(const char* val) if (0 == toml_rtoi(val, 0)) return 'i'; if (0 == toml_rtod(val, 0)) return 'd'; if (0 == toml_rtots(val, &ts)) { - if (ts.year && ts.hour) return 'T'; /* timestamp */ - if (ts.year) return 'D'; /* date */ - return 't'; /* time */ + if (ts.year && ts.hour) return 'T'; /* timestamp */ + if (ts.year) return 'D'; /* date */ + return 't'; /* time */ } return 'u'; /* unknown */ } @@ -822,94 +831,94 @@ static void parse_array(context_t* ctx, toml_array_t* arr) EAT_TOKEN(ctx, LBRACKET); for (;;) { - SKIP_NEWLINES(ctx); - - /* until ] */ - if (ctx->tok.tok == RBRACKET) break; - - switch (ctx->tok.tok) { - case STRING: - { - char* val = ctx->tok.ptr; - int vlen = ctx->tok.len; - - /* set array kind if this will be the first entry */ - if (arr->kind == 0) arr->kind = 'v'; - /* check array kind */ - if (arr->kind != 'v') { - e_syntax_error(ctx, ctx->tok.lineno, + SKIP_NEWLINES(ctx); + + /* until ] */ + if (ctx->tok.tok == RBRACKET) break; + + switch (ctx->tok.tok) { + case STRING: + { + char* val = ctx->tok.ptr; + int vlen = ctx->tok.len; + + /* set array kind if this will be the first entry */ + if (arr->kind == 0) arr->kind = 'v'; + /* check array kind */ + if (arr->kind != 'v') { + e_syntax_error(ctx, ctx->tok.lineno, "a string array can only contain strings"); return; /* not reached */ - } + } - /* make a new value in array */ - char** tmp = (char**) realloc(arr->u.val, (arr->nelem+1) * sizeof(*tmp)); - if (!tmp) { + /* make a new value in array */ + char** tmp = (char**) realloc(arr->u.val, (arr->nelem+1) * sizeof(*tmp)); + if (!tmp) { e_outofmemory(ctx, FLINE); return; /* not reached */ } - arr->u.val = tmp; - if (! (val = strndup(val, vlen))) { + arr->u.val = tmp; + if (! (val = strndup(val, vlen))) { e_outofmemory(ctx, FLINE); return; /* not reached */ } - arr->u.val[arr->nelem++] = val; + arr->u.val[arr->nelem++] = val; - /* set array type if this is the first entry, or check that the types matched. */ - if (arr->nelem == 1) - arr->type = valtype(arr->u.val[0]); - else if (arr->type != valtype(val)) { - e_syntax_error(ctx, ctx->tok.lineno, "array type mismatch"); + /* set array type if this is the first entry, or check that the types matched. */ + if (arr->nelem == 1) + arr->type = valtype(arr->u.val[0]); + else if (arr->type != valtype(val)) { + e_syntax_error(ctx, ctx->tok.lineno, "array type mismatch"); return; /* not reached */ } - EAT_TOKEN(ctx, STRING); - break; - } - - case LBRACKET: - { /* [ [array], [array] ... ] */ - /* set the array kind if this will be the first entry */ - if (arr->kind == 0) arr->kind = 'a'; - /* check array kind */ - if (arr->kind != 'a') { - e_syntax_error(ctx, ctx->tok.lineno, "array type mismatch"); + EAT_TOKEN(ctx, STRING); + break; + } + + case LBRACKET: + { /* [ [array], [array] ... ] */ + /* set the array kind if this will be the first entry */ + if (arr->kind == 0) arr->kind = 'a'; + /* check array kind */ + if (arr->kind != 'a') { + e_syntax_error(ctx, ctx->tok.lineno, "array type mismatch"); return; /* not reached */ - } - parse_array(ctx, create_array_in_array(ctx, arr)); - break; - } - - case LBRACE: - { /* [ {table}, {table} ... ] */ - /* set the array kind if this will be the first entry */ - if (arr->kind == 0) arr->kind = 't'; - /* check array kind */ - if (arr->kind != 't') { - e_syntax_error(ctx, ctx->tok.lineno, "array type mismatch"); + } + parse_array(ctx, create_array_in_array(ctx, arr)); + break; + } + + case LBRACE: + { /* [ {table}, {table} ... ] */ + /* set the array kind if this will be the first entry */ + if (arr->kind == 0) arr->kind = 't'; + /* check array kind */ + if (arr->kind != 't') { + e_syntax_error(ctx, ctx->tok.lineno, "array type mismatch"); return; /* not reached */ - } - parse_table(ctx, create_table_in_array(ctx, arr)); - break; - } - - default: - e_syntax_error(ctx, ctx->tok.lineno, "syntax error"); + } + parse_table(ctx, create_table_in_array(ctx, arr)); + break; + } + + default: + e_syntax_error(ctx, ctx->tok.lineno, "syntax error"); return; /* not reached */ - } + } - SKIP_NEWLINES(ctx); + SKIP_NEWLINES(ctx); - /* on comma, continue to scan for next element */ - if (ctx->tok.tok == COMMA) { - EAT_TOKEN(ctx, COMMA); - continue; - } - break; + /* on comma, continue to scan for next element */ + if (ctx->tok.tok == COMMA) { + EAT_TOKEN(ctx, COMMA); + continue; + } + break; } if (ctx->tok.tok != RBRACKET) { - e_syntax_error(ctx, ctx->tok.lineno, "syntax error"); + e_syntax_error(ctx, ctx->tok.lineno, "syntax error"); return; /* not reached */ } @@ -926,7 +935,7 @@ static void parse_array(context_t* ctx, toml_array_t* arr) static void parse_keyval(context_t* ctx, toml_table_t* tab) { if (ctx->tok.tok != STRING) { - e_internal_error(ctx, FLINE); + e_internal_error(ctx, FLINE); return; /* not reached */ } @@ -934,7 +943,7 @@ static void parse_keyval(context_t* ctx, toml_table_t* tab) EAT_TOKEN(ctx, STRING); if (ctx->tok.tok != EQUAL) { - e_syntax_error(ctx, ctx->tok.lineno, "missing ="); + e_syntax_error(ctx, ctx->tok.lineno, "missing ="); return; /* not reached */ } @@ -942,37 +951,37 @@ static void parse_keyval(context_t* ctx, toml_table_t* tab) switch (ctx->tok.tok) { case STRING: - { /* key = "value" */ - toml_keyval_t* keyval = create_keyval_in_table(ctx, tab, key); - token_t val = ctx->tok; - assert(keyval->val == 0); - keyval->val = strndup(val.ptr, val.len); - if (! keyval->val) { + { /* key = "value" */ + toml_keyval_t* keyval = create_keyval_in_table(ctx, tab, key); + token_t val = ctx->tok; + assert(keyval->val == 0); + keyval->val = strndup(val.ptr, val.len); + if (! keyval->val) { e_outofmemory(ctx, FLINE); return; /* not reached */ } - EAT_TOKEN(ctx, STRING); - - return; - } + EAT_TOKEN(ctx, STRING); + + return; + } case LBRACKET: - { /* key = [ array ] */ - toml_array_t* arr = create_keyarray_in_table(ctx, tab, key, 0); - parse_array(ctx, arr); - return; - } + { /* key = [ array ] */ + toml_array_t* arr = create_keyarray_in_table(ctx, tab, key, 0); + parse_array(ctx, arr); + return; + } case LBRACE: - { /* key = { table } */ - toml_table_t* nxttab = create_keytable_in_table(ctx, tab, key); - parse_table(ctx, nxttab); - return; - } + { /* key = { table } */ + toml_table_t* nxttab = create_keytable_in_table(ctx, tab, key); + parse_table(ctx, nxttab); + return; + } default: - e_syntax_error(ctx, ctx->tok.lineno, "syntax error"); + e_syntax_error(ctx, ctx->tok.lineno, "syntax error"); return; /* not reached */ } } @@ -995,41 +1004,41 @@ static void fill_tabpath(context_t* ctx) /* clear tpath */ for (i = 0; i < ctx->tpath.top; i++) { - char** p = &ctx->tpath.key[i]; - xfree(*p); - *p = 0; + char** p = &ctx->tpath.key[i]; + xfree(*p); + *p = 0; } ctx->tpath.top = 0; for (;;) { - if (ctx->tpath.top >= 10) { - e_syntax_error(ctx, lineno, "table path is too deep; max allowed is 10."); + if (ctx->tpath.top >= 10) { + e_syntax_error(ctx, lineno, "table path is too deep; max allowed is 10."); return; /* not reached */ } - if (ctx->tok.tok != STRING) { - e_syntax_error(ctx, lineno, "invalid or missing key"); + if (ctx->tok.tok != STRING) { + e_syntax_error(ctx, lineno, "invalid or missing key"); return; /* not reached */ } - ctx->tpath.tok[ctx->tpath.top] = ctx->tok; - ctx->tpath.key[ctx->tpath.top] = normalize_key(ctx, ctx->tok); - ctx->tpath.top++; - - next_token(ctx, 1); + ctx->tpath.tok[ctx->tpath.top] = ctx->tok; + ctx->tpath.key[ctx->tpath.top] = normalize_key(ctx, ctx->tok); + ctx->tpath.top++; + + next_token(ctx, 1); - if (ctx->tok.tok == RBRACKET) break; + if (ctx->tok.tok == RBRACKET) break; - if (ctx->tok.tok != DOT) { - e_syntax_error(ctx, lineno, "invalid key"); + if (ctx->tok.tok != DOT) { + e_syntax_error(ctx, lineno, "invalid key"); return; /* not reached */ } - next_token(ctx, 1); + next_token(ctx, 1); } if (ctx->tpath.top <= 0) { - e_syntax_error(ctx, lineno, "empty table selector"); + e_syntax_error(ctx, lineno, "empty table selector"); return; /* not reached */ } } @@ -1044,63 +1053,63 @@ static void walk_tabpath(context_t* ctx) toml_table_t* curtab = ctx->root; for (int i = 0; i < ctx->tpath.top; i++) { - const char* key = ctx->tpath.key[i]; - - toml_keyval_t* nextval = 0; - toml_array_t* nextarr = 0; - toml_table_t* nexttab = 0; - switch (check_key(curtab, key, &nextval, &nextarr, &nexttab)) { - case 't': - /* found a table. nexttab is where we will go next. */ - break; - - case 'a': - /* found an array. nexttab is the last table in the array. */ - if (nextarr->kind != 't') { + const char* key = ctx->tpath.key[i]; + + toml_keyval_t* nextval = 0; + toml_array_t* nextarr = 0; + toml_table_t* nexttab = 0; + switch (check_key(curtab, key, &nextval, &nextarr, &nexttab)) { + case 't': + /* found a table. nexttab is where we will go next. */ + break; + + case 'a': + /* found an array. nexttab is the last table in the array. */ + if (nextarr->kind != 't') { e_internal_error(ctx, FLINE); return; /* not reached */ } - if (nextarr->nelem == 0) { + if (nextarr->nelem == 0) { e_internal_error(ctx, FLINE); return; /* not reached */ } - nexttab = nextarr->u.tab[nextarr->nelem-1]; - break; + nexttab = nextarr->u.tab[nextarr->nelem-1]; + break; - case 'v': - e_key_exists_error(ctx, ctx->tpath.tok[i]); + case 'v': + e_key_exists_error(ctx, ctx->tpath.tok[i]); return; /* not reached */ - default: - { /* Not found. Let's create an implicit table. */ - int n = curtab->ntab; - toml_table_t** base = (toml_table_t**) realloc(curtab->tab, (n+1) * sizeof(*base)); - if (0 == base) { + default: + { /* Not found. Let's create an implicit table. */ + int n = curtab->ntab; + toml_table_t** base = (toml_table_t**) realloc(curtab->tab, (n+1) * sizeof(*base)); + if (0 == base) { e_outofmemory(ctx, FLINE); return; /* not reached */ } - curtab->tab = base; - - if (0 == (base[n] = (toml_table_t*) calloc(1, sizeof(*base[n])))) { - e_outofmemory(ctx, FLINE); + curtab->tab = base; + + if (0 == (base[n] = (toml_table_t*) calloc(1, sizeof(*base[n])))) { + e_outofmemory(ctx, FLINE); return; /* not reached */ } - - if (0 == (base[n]->key = strdup(key))) { - e_outofmemory(ctx, FLINE); + + if (0 == (base[n]->key = strdup(key))) { + e_outofmemory(ctx, FLINE); return; /* not reached */ } - - nexttab = curtab->tab[curtab->ntab++]; - - /* tabs created by walk_tabpath are considered implicit */ - nexttab->implicit = 1; - } - break; - } + + nexttab = curtab->tab[curtab->ntab++]; + + /* tabs created by walk_tabpath are considered implicit */ + nexttab->implicit = 1; + } + break; + } - /* switch to next tab */ - curtab = nexttab; + /* switch to next tab */ + curtab = nexttab; } /* save it */ @@ -1111,16 +1120,18 @@ static void walk_tabpath(context_t* ctx) /* handle lines like [x.y.z] or [[x.y.z]] */ static void parse_select(context_t* ctx) { - int count_lbracket = 0; - if (ctx->tok.tok != LBRACKET) { - e_internal_error(ctx, FLINE); - return; /* not reached */ - } - count_lbracket++; + assert(ctx->tok.tok == LBRACKET); + + /* true if [[ */ + int llb = (ctx->tok.ptr + 1 < ctx->stop && ctx->tok.ptr[1] == '['); + /* need to detect '[[' on our own because next_token() will skip whitespace, + and '[ [' would be taken as '[[', which is wrong. */ + + /* eat [ or [[ */ next_token(ctx, 1 /* DOT IS SPECIAL */); - if (ctx->tok.tok == LBRACKET) { - count_lbracket++; - next_token(ctx, 1 /* DOT IS SPECIAL */); + if (llb) { + assert(ctx->tok.tok == LBRACKET); + next_token(ctx, 1 /* DOT IS SPECIAL */); } fill_tabpath(ctx); @@ -1130,66 +1141,67 @@ static void parse_select(context_t* ctx) token_t z = ctx->tpath.tok[ctx->tpath.top-1]; free(ctx->tpath.key[ctx->tpath.top-1]); ctx->tpath.top--; - + + /* set up ctx->curtab */ walk_tabpath(ctx); - if (count_lbracket == 1) { - /* [x.y.z] -> create z = {} in x.y */ - ctx->curtab = create_keytable_in_table(ctx, ctx->curtab, z); + if (! llb) { + /* [x.y.z] -> create z = {} in x.y */ + ctx->curtab = create_keytable_in_table(ctx, ctx->curtab, z); } else { - /* [[x.y.z]] -> create z = [] in x.y */ - toml_array_t* arr = create_keyarray_in_table(ctx, ctx->curtab, z, - 1 /*skip_if_exist*/); + /* [[x.y.z]] -> create z = [] in x.y */ + toml_array_t* arr = create_keyarray_in_table(ctx, ctx->curtab, z, + 1 /*skip_if_exist*/); if (!arr) { e_syntax_error(ctx, z.lineno, "key exists"); return; } - if (arr->kind == 0) arr->kind = 't'; - if (arr->kind != 't') { + if (arr->kind == 0) arr->kind = 't'; + if (arr->kind != 't') { e_syntax_error(ctx, z.lineno, "array mismatch"); return; /* not reached */ } - /* add to z[] */ - toml_table_t* dest; - { - int n = arr->nelem; - toml_table_t** base = realloc(arr->u.tab, (n+1) * sizeof(*base)); - if (0 == base) { + /* add to z[] */ + toml_table_t* dest; + { + int n = arr->nelem; + toml_table_t** base = realloc(arr->u.tab, (n+1) * sizeof(*base)); + if (0 == base) { e_outofmemory(ctx, FLINE); return; /* not reached */ } - arr->u.tab = base; - - if (0 == (base[n] = calloc(1, sizeof(*base[n])))) { - e_outofmemory(ctx, FLINE); + arr->u.tab = base; + + if (0 == (base[n] = calloc(1, sizeof(*base[n])))) { + e_outofmemory(ctx, FLINE); return; /* not reached */ } - + if (0 == (base[n]->key = strdup("__anon__"))) { - e_outofmemory(ctx, FLINE); + e_outofmemory(ctx, FLINE); return; /* not reached */ } - - dest = arr->u.tab[arr->nelem++]; - } + + dest = arr->u.tab[arr->nelem++]; + } - ctx->curtab = dest; + ctx->curtab = dest; } if (ctx->tok.tok != RBRACKET) { e_syntax_error(ctx, ctx->tok.lineno, "expects ]"); return; /* not reached */ } - EAT_TOKEN(ctx, RBRACKET); - - if (count_lbracket == 2) { - if (ctx->tok.tok != RBRACKET) { + if (llb) { + if (! (ctx->tok.ptr + 1 < ctx->stop && ctx->tok.ptr[1] == ']')) { e_syntax_error(ctx, ctx->tok.lineno, "expects ]]"); - return; /* not reached */ - } + return; /* not reached */ + } + EAT_TOKEN(ctx, RBRACKET); + } EAT_TOKEN(ctx, RBRACKET); - } + if (ctx->tok.tok != NEWLINE) { e_syntax_error(ctx, ctx->tok.lineno, "extra chars after ] or ]]"); return; /* not reached */ @@ -1200,8 +1212,8 @@ static void parse_select(context_t* ctx) toml_table_t* toml_parse(char* conf, - char* errbuf, - int errbufsz) + char* errbuf, + int errbufsz) { context_t ctx; @@ -1233,39 +1245,39 @@ toml_table_t* toml_parse(char* conf, ctx.curtab = ctx.root; if (0 != setjmp(ctx.jmp)) { - // Got here from a long_jmp. Something bad has happened. - // Free resources and return error. - for (int i = 0; i < ctx.tpath.top; i++) xfree(ctx.tpath.key[i]); - toml_free(ctx.root); - return 0; + // Got here from a long_jmp. Something bad has happened. + // Free resources and return error. + for (int i = 0; i < ctx.tpath.top; i++) xfree(ctx.tpath.key[i]); + toml_free(ctx.root); + return 0; } /* Scan forward until EOF */ for (token_t tok = ctx.tok; ! tok.eof ; tok = ctx.tok) { - switch (tok.tok) { - - case NEWLINE: - next_token(&ctx, 1); - break; - - case STRING: - parse_keyval(&ctx, ctx.curtab); - if (ctx.tok.tok != NEWLINE) { + switch (tok.tok) { + + case NEWLINE: + next_token(&ctx, 1); + break; + + case STRING: + parse_keyval(&ctx, ctx.curtab); + if (ctx.tok.tok != NEWLINE) { e_syntax_error(&ctx, ctx.tok.lineno, "extra chars after value"); return 0; /* not reached */ } - EAT_TOKEN(&ctx, NEWLINE); - break; - - case LBRACKET: /* [ x.y.z ] or [[ x.y.z ]] */ - parse_select(&ctx); - break; - - default: - snprintf(ctx.errbuf, ctx.errbufsz, "line %d: syntax error", tok.lineno); - longjmp(ctx.jmp, 1); - } + EAT_TOKEN(&ctx, NEWLINE); + break; + + case LBRACKET: /* [ x.y.z ] or [[ x.y.z ]] */ + parse_select(&ctx); + break; + + default: + snprintf(ctx.errbuf, ctx.errbufsz, "line %d: syntax error", tok.lineno); + longjmp(ctx.jmp, 1); + } } /* success */ @@ -1275,8 +1287,8 @@ toml_table_t* toml_parse(char* conf, toml_table_t* toml_parse_file(FILE* fp, - char* errbuf, - int errbufsz) + char* errbuf, + int errbufsz) { int bufsz = 0; char* buf = 0; @@ -1291,26 +1303,26 @@ toml_table_t* toml_parse_file(FILE* fp, /* read from fp into buf */ while (! feof(fp)) { - bufsz += 1000; - - /* Allocate 1 extra byte because we will tag on a NUL */ - char* x = realloc(buf, bufsz + 1); - if (!x) { - snprintf(errbuf, errbufsz, "out of memory"); - xfree(buf); - return 0; - } - buf = x; - - errno = 0; - int n = fread(buf + off, 1, bufsz - off, fp); - if (ferror(fp)) { - snprintf(errbuf, errbufsz, "%s", - errno ? strerror(errno) : "Error reading file"); - free(buf); - return 0; - } - off += n; + bufsz += 1000; + + /* Allocate 1 extra byte because we will tag on a NUL */ + char* x = realloc(buf, bufsz + 1); + if (!x) { + snprintf(errbuf, errbufsz, "out of memory"); + xfree(buf); + return 0; + } + buf = x; + + errno = 0; + int n = fread(buf + off, 1, bufsz - off, fp); + if (ferror(fp)) { + snprintf(errbuf, errbufsz, "%s", + errno ? strerror(errno) : "Error reading file"); + free(buf); + return 0; + } + off += n; } /* tag on a NUL to cap the string */ @@ -1340,19 +1352,19 @@ static void xfree_arr(toml_array_t* p) xfree(p->key); switch (p->kind) { case 'v': - for (int i = 0; i < p->nelem; i++) xfree(p->u.val[i]); - xfree(p->u.val); - break; + for (int i = 0; i < p->nelem; i++) xfree(p->u.val[i]); + xfree(p->u.val); + break; case 'a': - for (int i = 0; i < p->nelem; i++) xfree_arr(p->u.arr[i]); - xfree(p->u.arr); - break; + for (int i = 0; i < p->nelem; i++) xfree_arr(p->u.arr[i]); + xfree(p->u.arr); + break; case 't': - for (int i = 0; i < p->nelem; i++) xfree_tab(p->u.tab[i]); - xfree(p->u.tab); - break; + for (int i = 0; i < p->nelem; i++) xfree_tab(p->u.tab[i]); + xfree(p->u.tab); + break; } xfree(p); @@ -1410,94 +1422,94 @@ static tokentype_t scan_string(context_t* ctx, char* p, int lineno, int dotisspe { char* orig = p; if (0 == strncmp(p, "'''", 3)) { - p = strstr(p + 3, "'''"); - if (0 == p) { - e_syntax_error(ctx, lineno, "unterminated triple-s-quote"); + p = strstr(p + 3, "'''"); + if (0 == p) { + e_syntax_error(ctx, lineno, "unterminated triple-s-quote"); return 0; /* not reached */ } - return ret_token(ctx, STRING, lineno, orig, p + 3 - orig); + return ret_token(ctx, STRING, lineno, orig, p + 3 - orig); } if (0 == strncmp(p, "\"\"\"", 3)) { - int hexreq = 0; /* #hex required */ - int escape = 0; - int qcnt = 0; /* count quote */ - for (p += 3; *p && qcnt < 3; p++) { - if (escape) { - escape = 0; - if (strchr("btnfr\"\\", *p)) continue; - if (*p == 'u') { hexreq = 4; continue; } - if (*p == 'U') { hexreq = 8; continue; } - if (*p == '\n') continue; /* allow for line ending backslash */ - e_syntax_error(ctx, lineno, "bad escape char"); + int hexreq = 0; /* #hex required */ + int escape = 0; + int qcnt = 0; /* count quote */ + for (p += 3; *p && qcnt < 3; p++) { + if (escape) { + escape = 0; + if (strchr("btnfr\"\\", *p)) continue; + if (*p == 'u') { hexreq = 4; continue; } + if (*p == 'U') { hexreq = 8; continue; } + if (*p == '\n') continue; /* allow for line ending backslash */ + e_syntax_error(ctx, lineno, "bad escape char"); return 0; /* not reached */ - } - if (hexreq) { - hexreq--; - if (strchr("0123456789ABCDEF", *p)) continue; - e_syntax_error(ctx, lineno, "expect hex char"); + } + if (hexreq) { + hexreq--; + if (strchr("0123456789ABCDEF", *p)) continue; + e_syntax_error(ctx, lineno, "expect hex char"); return 0; /* not reached */ - } - if (*p == '\\') { escape = 1; continue; } - qcnt = (*p == '"') ? qcnt + 1 : 0; - } - if (qcnt != 3) { - e_syntax_error(ctx, lineno, "unterminated triple-quote"); + } + if (*p == '\\') { escape = 1; continue; } + qcnt = (*p == '"') ? qcnt + 1 : 0; + } + if (qcnt != 3) { + e_syntax_error(ctx, lineno, "unterminated triple-quote"); return 0; /* not reached */ } - return ret_token(ctx, STRING, lineno, orig, p - orig); + return ret_token(ctx, STRING, lineno, orig, p - orig); } if ('\'' == *p) { - for (p++; *p && *p != '\n' && *p != '\''; p++); - if (*p != '\'') { - e_syntax_error(ctx, lineno, "unterminated s-quote"); + for (p++; *p && *p != '\n' && *p != '\''; p++); + if (*p != '\'') { + e_syntax_error(ctx, lineno, "unterminated s-quote"); return 0; /* not reached */ } - return ret_token(ctx, STRING, lineno, orig, p + 1 - orig); + return ret_token(ctx, STRING, lineno, orig, p + 1 - orig); } if ('\"' == *p) { - int hexreq = 0; /* #hex required */ - int escape = 0; - for (p++; *p; p++) { - if (escape) { - escape = 0; - if (strchr("btnfr\"\\", *p)) continue; - if (*p == 'u') { hexreq = 4; continue; } - if (*p == 'U') { hexreq = 8; continue; } - e_syntax_error(ctx, lineno, "bad escape char"); + int hexreq = 0; /* #hex required */ + int escape = 0; + for (p++; *p; p++) { + if (escape) { + escape = 0; + if (strchr("btnfr\"\\", *p)) continue; + if (*p == 'u') { hexreq = 4; continue; } + if (*p == 'U') { hexreq = 8; continue; } + e_syntax_error(ctx, lineno, "bad escape char"); return 0; /* not reached */ - } - if (hexreq) { - hexreq--; - if (strchr("0123456789ABCDEF", *p)) continue; - e_syntax_error(ctx, lineno, "expect hex char"); + } + if (hexreq) { + hexreq--; + if (strchr("0123456789ABCDEF", *p)) continue; + e_syntax_error(ctx, lineno, "expect hex char"); return 0; /* not reached */ - } - if (*p == '\\') { escape = 1; continue; } - if (*p == '\n') break; - if (*p == '"') break; - } - if (*p != '"') { - e_syntax_error(ctx, lineno, "unterminated quote"); + } + if (*p == '\\') { escape = 1; continue; } + if (*p == '\n') break; + if (*p == '"') break; + } + if (*p != '"') { + e_syntax_error(ctx, lineno, "unterminated quote"); return 0; /* not reached */ } - return ret_token(ctx, STRING, lineno, orig, p + 1 - orig); + return ret_token(ctx, STRING, lineno, orig, p + 1 - orig); } for ( ; *p && *p != '\n'; p++) { - int ch = *p; - if (ch == '.' && dotisspecial) break; - if ('A' <= ch && ch <= 'Z') continue; - if ('a' <= ch && ch <= 'z') continue; - if ('0' <= ch && ch <= '9') continue; - if (strchr("+-_.:", ch)) continue; - break; + int ch = *p; + if (ch == '.' && dotisspecial) break; + if ('A' <= ch && ch <= 'Z') continue; + if ('a' <= ch && ch <= 'z') continue; + if ('0' <= ch && ch <= '9') continue; + if (strchr("+-_.:", ch)) continue; + break; } return ret_token(ctx, STRING, lineno, orig, p - orig); @@ -1512,36 +1524,36 @@ static tokentype_t next_token(context_t* ctx, int dotisspecial) /* eat this tok */ for (i = 0; i < ctx->tok.len; i++) { - if (*p++ == '\n') - lineno++; + if (*p++ == '\n') + lineno++; } /* make next tok */ while (p < ctx->stop) { - /* skip comment. stop just before the \n. */ - if (*p == '#') { - for (p++; p < ctx->stop && *p != '\n'; p++); - continue; - } + /* skip comment. stop just before the \n. */ + if (*p == '#') { + for (p++; p < ctx->stop && *p != '\n'; p++); + continue; + } - if (dotisspecial && *p == '.') - return ret_token(ctx, DOT, lineno, p, 1); - - switch (*p) { - case ',': return ret_token(ctx, COMMA, lineno, p, 1); - case '=': return ret_token(ctx, EQUAL, lineno, p, 1); - case '{': return ret_token(ctx, LBRACE, lineno, p, 1); - case '}': return ret_token(ctx, RBRACE, lineno, p, 1); - case '[': return ret_token(ctx, LBRACKET, lineno, p, 1); - case ']': return ret_token(ctx, RBRACKET, lineno, p, 1); - case '\n': return ret_token(ctx, NEWLINE, lineno, p, 1); - case '\r': case ' ': case '\t': - /* ignore white spaces */ - p++; - continue; - } + if (dotisspecial && *p == '.') + return ret_token(ctx, DOT, lineno, p, 1); + + switch (*p) { + case ',': return ret_token(ctx, COMMA, lineno, p, 1); + case '=': return ret_token(ctx, EQUAL, lineno, p, 1); + case '{': return ret_token(ctx, LBRACE, lineno, p, 1); + case '}': return ret_token(ctx, RBRACE, lineno, p, 1); + case '[': return ret_token(ctx, LBRACKET, lineno, p, 1); + case ']': return ret_token(ctx, RBRACKET, lineno, p, 1); + case '\n': return ret_token(ctx, NEWLINE, lineno, p, 1); + case '\r': case ' ': case '\t': + /* ignore white spaces */ + p++; + continue; + } - return scan_string(ctx, p, lineno, dotisspecial); + return scan_string(ctx, p, lineno, dotisspecial); } return ret_eof(ctx, lineno); @@ -1566,8 +1578,8 @@ const char* toml_raw_in(toml_table_t* tab, const char* key) { int i; for (i = 0; i < tab->nkval; i++) { - if (0 == strcmp(key, tab->kval[i]->key)) - return tab->kval[i]->val; + if (0 == strcmp(key, tab->kval[i]->key)) + return tab->kval[i]->val; } return 0; } @@ -1576,8 +1588,8 @@ toml_array_t* toml_array_in(toml_table_t* tab, const char* key) { int i; for (i = 0; i < tab->narr; i++) { - if (0 == strcmp(key, tab->arr[i]->key)) - return tab->arr[i]; + if (0 == strcmp(key, tab->arr[i]->key)) + return tab->arr[i]; } return 0; } @@ -1587,8 +1599,8 @@ toml_table_t* toml_table_in(toml_table_t* tab, const char* key) { int i; for (i = 0; i < tab->ntab; i++) { - if (0 == strcmp(key, tab->tab[i]->key)) - return tab->tab[i]; + if (0 == strcmp(key, tab->tab[i]->key)) + return tab->tab[i]; } return 0; } @@ -1596,9 +1608,9 @@ toml_table_t* toml_table_in(toml_table_t* tab, const char* key) const char* toml_raw_at(toml_array_t* arr, int idx) { if (arr->kind != 'v') - return 0; + return 0; if (! (0 <= idx && idx < arr->nelem)) - return 0; + return 0; return arr->u.val[idx]; } @@ -1607,23 +1619,63 @@ char toml_array_kind(toml_array_t* arr) return arr->kind; } +char toml_array_type(toml_array_t* arr) +{ + if (arr->kind != 'v') + return 0; + + if (arr->nelem == 0) + return 0; + + return arr->type; +} + +int toml_array_nelem(toml_array_t* arr) +{ + return arr->nelem; +} + +const char* toml_array_key(toml_array_t* arr) +{ + return arr ? arr->key : (const char*) NULL; +} + +int toml_table_nkval(toml_table_t* tab) +{ + return tab->nkval; +} + +int toml_table_narr(toml_table_t* tab) +{ + return tab->narr; +} + +int toml_table_ntab(toml_table_t* tab) +{ + return tab->ntab; +} + +const char* toml_table_key(toml_table_t* tab) +{ + return tab ? tab->key : (const char*) NULL; +} toml_array_t* toml_array_at(toml_array_t* arr, int idx) { if (arr->kind != 'a') - return 0; + return 0; if (! (0 <= idx && idx < arr->nelem)) - return 0; + return 0; return arr->u.arr[idx]; } toml_table_t* toml_table_at(toml_array_t* arr, int idx) { if (arr->kind != 't') - return 0; + return 0; if (! (0 <= idx && idx < arr->nelem)) - return 0; + return 0; return arr->u.tab[idx]; } @@ -1639,42 +1691,43 @@ int toml_rtots(const char* src_, toml_timestamp_t* ret) memset(ret, 0, sizeof(*ret)); - /* parse date */ + /* parse date YYYY-MM-DD */ val = 0; if (q - p > 4 && p[4] == '-') { - for (i = 0; i < 10; i++, p++) { - int xx = *p; - if (xx == '-') { - if (i == 4 || i == 7) continue; else return -1; - } - if (! ('0' <= xx && xx <= '9')) return -1; - val = val * 10 + (xx - '0'); - } - ret->day = &ret->__buffer.day; - ret->month = &ret->__buffer.month; - ret->year = &ret->__buffer.year; - - *ret->day = val % 100; val /= 100; - *ret->month = val % 100; val /= 100; - *ret->year = val; - - if (*p) { - if (*p != 'T') return -1; - p++; - } + for (i = 0; i < 10; i++, p++) { + int xx = *p; + if (xx == '-') { + if (i == 4 || i == 7) continue; else return -1; + } + if (! ('0' <= xx && xx <= '9')) return -1; + val = val * 10 + (xx - '0'); + } + ret->day = &ret->__buffer.day; + ret->month = &ret->__buffer.month; + ret->year = &ret->__buffer.year; + + *ret->day = val % 100; val /= 100; + *ret->month = val % 100; val /= 100; + *ret->year = val; + + if (*p) { + // parse the T or space separator + if (*p != 'T' && *p != ' ') return -1; + p++; + } } if (q == p) return 0; - /* parse time */ + /* parse time HH:MM:SS */ val = 0; if (q - p < 8) return -1; for (i = 0; i < 8; i++, p++) { - int xx = *p; - if (xx == ':') { - if (i == 2 || i == 5) continue; else return -1; - } - if (! ('0' <= xx && xx <= '9')) return -1; - val = val * 10 + (xx - '0'); + int xx = *p; + if (xx == ':') { + if (i == 2 || i == 5) continue; else return -1; + } + if (! ('0' <= xx && xx <= '9')) return -1; + val = val * 10 + (xx - '0'); } ret->second = &ret->__buffer.second; ret->minute = &ret->__buffer.minute; @@ -1684,34 +1737,48 @@ int toml_rtots(const char* src_, toml_timestamp_t* ret) *ret->minute = val % 100; val /= 100; *ret->hour = val; - /* skip fractional second */ - if (*p == '.') for (p++; '0' <= *p && *p <= '9'; p++); + /* parse millisec */ + if (*p == '.') { + val = 0; + p++; + if ('0' <= *p && *p <= '9') { + val = (*p++ - '0') * 100; + if ('0' <= *p && *p <= '9') { + val += (*p++ - '0') * 10; + if ('0' <= *p && *p <= '9') { + val += (*p++ - '0'); + } + } + } + ret->millisec = &ret->__buffer.millisec; + *ret->millisec = val; + } if (q == p) return 0; /* parse and copy Z */ ret->z = ret->__buffer.z; char* z = ret->z; if (*p == 'Z') { - *z++ = *p++; - *z = 0; - return (p == q) ? 0 : -1; + *z++ = *p++; + *z = 0; + return (p == q) ? 0 : -1; } if (*p == '+' || *p == '-') { - *z++ = *p++; - - if (! (isdigit(p[0]) && isdigit(p[1]))) return -1; - *z++ = *p++; - *z++ = *p++; - - if (*p == ':') { - *z++ = *p++; - - if (! (isdigit(p[0]) && isdigit(p[1]))) return -1; - *z++ = *p++; - *z++ = *p++; - } - - *z = 0; + *z++ = *p++; + + if (! (isdigit(p[0]) && isdigit(p[1]))) return -1; + *z++ = *p++; + *z++ = *p++; + + if (*p == ':') { + *z++ = *p++; + + if (! (isdigit(p[0]) && isdigit(p[1]))) return -1; + *z++ = *p++; + *z++ = *p++; + } + + *z = 0; } return (p == q) ? 0 : -1; } @@ -1725,12 +1792,12 @@ int toml_rtob(const char* src, int* ret_) int* ret = ret_ ? ret_ : &dummy; if (0 == strcmp(src, "true")) { - *ret = 1; - return 0; + *ret = 1; + return 0; } if (0 == strcmp(src, "false")) { - *ret = 0; - return 0; + *ret = 0; + return 0; } return -1; } @@ -1745,27 +1812,49 @@ int toml_rtoi(const char* src, int64_t* ret_) char* p = buf; char* q = p + sizeof(buf); const char* s = src; + int base = 0; int64_t dummy; int64_t* ret = ret_ ? ret_ : &dummy; - if (*s == '+') - *p++ = *s++; - else if (*s == '-') - *p++ = *s++; + + /* allow +/- */ + if (s[0] == '+' || s[0] == '-') + *p++ = *s++; + + /* disallow +_100 */ + if (s[0] == '_') + return -1; /* if 0 ... */ if ('0' == s[0]) { - /* ensure no other digits after it */ - if (s[1]) return -1; - return *ret = 0, 0; + switch (s[1]) { + case 'x': base = 16; s += 2; break; + case 'o': base = 8; s += 2; break; + case 'b': base = 2; s += 2; break; + case '\0': return *ret = 0, 0; + default: + /* ensure no other digits after it */ + if (s[1]) return -1; + } } /* just strip underscores and pass to strtoll */ while (*s && p < q) { - int ch = *s++; - if (ch == '_') ; else *p++ = ch; + int ch = *s++; + switch (ch) { + case '_': + // disallow '__' + if (s[0] == '_') return -1; + continue; /* skip _ */ + default: + break; + } + *p++ = ch; } if (*s || p == q) return -1; + + /* last char cannot be '_' */ + if (s[-1] == '_') return -1; /* cap with NUL */ *p = 0; @@ -1773,39 +1862,62 @@ int toml_rtoi(const char* src, int64_t* ret_) /* Run strtoll on buf to get the integer */ char* endp; errno = 0; - *ret = strtoll(buf, &endp, 0); + *ret = strtoll(buf, &endp, base); return (errno || *endp) ? -1 : 0; } -int toml_rtod(const char* src, double* ret_) +int toml_rtod_ex(const char* src, double* ret_, char* buf, int buflen) { if (!src) return -1; - char buf[100]; char* p = buf; - char* q = p + sizeof(buf); + char* q = p + buflen; const char* s = src; double dummy; double* ret = ret_ ? ret_ : &dummy; + + + /* allow +/- */ + if (s[0] == '+' || s[0] == '-') + *p++ = *s++; + + /* disallow +_1.00 */ + if (s[0] == '_') + return -1; - /* check for special cases */ - if (s[0] == '+' || s[0] == '-') *p++ = *s++; - if (s[0] == '.') return -1; /* no leading zero */ - if (s[0] == '0') { + /* disallow +.99 */ + if (s[0] == '.') + return -1; + /* zero must be followed by . or NUL */ - if (s[1] && s[1] != '.') return -1; - } + if (s[0] == '0' && s[1] && s[1] != '.') + return -1; /* just strip underscores and pass to strtod */ while (*s && p < q) { - int ch = *s++; - if (ch == '_') ; else *p++ = ch; + int ch = *s++; + switch (ch) { + case '.': + if (s[-2] == '_') return -1; + if (s[0] == '_') return -1; + break; + case '_': + // disallow '__' + if (s[0] == '_') return -1; + continue; /* skip _ */ + default: + break; + } + *p++ = ch; } - if (*s || p == q) return -1; + if (*s || p == q) return -1; /* reached end of string or buffer is full? */ + + /* last char cannot be '_' */ + if (s[-1] == '_') return -1; if (p != buf && p[-1] == '.') - return -1; /* no trailing zero */ + return -1; /* no trailing zero */ /* cap with NUL */ *p = 0; @@ -1817,6 +1929,12 @@ int toml_rtod(const char* src, double* ret_) return (errno || *endp) ? -1 : 0; } +int toml_rtod(const char* src, double* ret_) +{ + char buf[100]; + return toml_rtod_ex(src, ret_, buf, sizeof(buf)); +} + static char* kill_line_ending_backslash(char* str) { @@ -1825,16 +1943,16 @@ static char* kill_line_ending_backslash(char* str) /* first round: find (backslash, \n) */ char* p = str; while (0 != (p = strstr(p, "\\\n"))) { - char* q = (p + 1); - q += strspn(q, " \t\r\n"); - memmove(p, q, strlen(q) + 1); + char* q = (p + 1); + q += strspn(q, " \t\r\n"); + memmove(p, q, strlen(q) + 1); } /* second round: find (backslash, \r, \n) */ p = str; while (0 != (p = strstr(p, "\\\r\n"))) { - char* q = (p + 1); - q += strspn(q, " \t\r\n"); - memmove(p, q, strlen(q) + 1); + char* q = (p + 1); + q += strspn(q, " \t\r\n"); + memmove(p, q, strlen(q) + 1); } return str; @@ -1849,55 +1967,55 @@ int toml_rtos(const char* src, char** ret) *ret = 0; int srclen = strlen(src); if (*src == '\'') { - if (0 == strncmp(src, "'''", 3)) { - const char* sp = src + 3; - const char* sq = src + srclen - 3; - /* last 3 chars in src must be ''' */ - if (! (sp <= sq && 0 == strcmp(sq, "'''"))) - return -1; - - /* skip first new line right after ''' */ - if (*sp == '\n') - sp++; - else if (sp[0] == '\r' && sp[1] == '\n') - sp += 2; - - *ret = kill_line_ending_backslash(strndup(sp, sq - sp)); - } else { - const char* sp = src + 1; - const char* sq = src + srclen - 1; - /* last char in src must be ' */ - if (! (sp <= sq && *sq == '\'')) - return -1; - /* copy from sp to p */ - *ret = strndup(sp, sq - sp); - } - return *ret ? 0 : -1; + if (0 == strncmp(src, "'''", 3)) { + const char* sp = src + 3; + const char* sq = src + srclen - 3; + /* last 3 chars in src must be ''' */ + if (! (sp <= sq && 0 == strcmp(sq, "'''"))) + return -1; + + /* skip first new line right after ''' */ + if (*sp == '\n') + sp++; + else if (sp[0] == '\r' && sp[1] == '\n') + sp += 2; + + *ret = kill_line_ending_backslash(strndup(sp, sq - sp)); + } else { + const char* sp = src + 1; + const char* sq = src + srclen - 1; + /* last char in src must be ' */ + if (! (sp <= sq && *sq == '\'')) + return -1; + /* copy from sp to p */ + *ret = strndup(sp, sq - sp); + } + return *ret ? 0 : -1; } const char* sp; const char* sq; if (0 == strncmp(src, "\"\"\"", 3)) { - sp = src + 3; - sq = src + srclen - 3; - if (! (sp <= sq && 0 == strcmp(sq, "\"\"\""))) - return -1; - - /* skip first new line right after """ */ - if (*sp == '\n') - sp++; - else if (sp[0] == '\r' && sp[1] == '\n') - sp += 2; + sp = src + 3; + sq = src + srclen - 3; + if (! (sp <= sq && 0 == strcmp(sq, "\"\"\""))) + return -1; + + /* skip first new line right after """ */ + if (*sp == '\n') + sp++; + else if (sp[0] == '\r' && sp[1] == '\n') + sp += 2; } else { - sp = src + 1; - sq = src + srclen - 1; - if (! (sp <= sq && *sq == '"')) - return -1; + sp = src + 1; + sq = src + srclen - 1; + if (! (sp <= sq && *sq == '"')) + return -1; } char dummy_errbuf[1]; *ret = normalize_string(sp, sq - sp, - 1, // flag kill_line_ending_backslash - dummy_errbuf, sizeof(dummy_errbuf)); + 1, // flag kill_line_ending_backslash + dummy_errbuf, sizeof(dummy_errbuf)); return *ret ? 0 : -1; } diff --git a/utils/common/toml.h b/utils/common/toml.h index 54c1c825..6f239887 100644 --- a/utils/common/toml.h +++ b/utils/common/toml.h @@ -1,7 +1,7 @@ /* MIT License -Copyright (c) 2017 CK Tan +Copyright (c) 2017 - 2019 CK Tan https://github.com/cktan/tomlc99 Permission is hereby granted, free of charge, to any person obtaining a copy @@ -25,6 +25,11 @@ SOFTWARE. #ifndef TOML_H #define TOML_H + +#include +#include + + #ifdef __cplusplus #define TOML_EXTERN extern "C" #else @@ -38,16 +43,16 @@ typedef struct toml_array_t toml_array_t; * Caller must toml_free(the-return-value) after use. */ TOML_EXTERN toml_table_t* toml_parse_file(FILE* fp, - char* errbuf, - int errbufsz); + char* errbuf, + int errbufsz); /* Parse a string containing the full config. * Return a table on success, or 0 otherwise. * Caller must toml_free(the-return-value) after use. */ TOML_EXTERN toml_table_t* toml_parse(char* conf, /* NUL terminated, please. */ - char* errbuf, - int errbufsz); + char* errbuf, + int errbufsz); /* Free the table returned by toml_parse() or toml_parse_file(). */ TOML_EXTERN void toml_free(toml_table_t* tab); @@ -63,6 +68,31 @@ TOML_EXTERN toml_table_t* toml_table_in(toml_table_t* tab, const char* key); /* Return the array kind: 't'able, 'a'rray, 'v'alue */ TOML_EXTERN char toml_array_kind(toml_array_t* arr); +/* For array kind 'v'alue, return the type of values + i:int, d:double, b:bool, s:string, t:time, D:date, T:timestamp + 0 if unknown +*/ +TOML_EXTERN char toml_array_type(toml_array_t* arr); + + +/* Return the number of elements in the array */ +TOML_EXTERN int toml_array_nelem(toml_array_t* arr); + +/* Return the key of an array */ +TOML_EXTERN const char* toml_array_key(toml_array_t* arr); + +/* Return the number of key-values in a table */ +TOML_EXTERN int toml_table_nkval(toml_table_t* tab); + +/* Return the number of arrays in a table */ +TOML_EXTERN int toml_table_narr(toml_table_t* tab); + +/* Return the number of sub-tables in a table */ +TOML_EXTERN int toml_table_ntab(toml_table_t* tab); + +/* Return the key of a table*/ +TOML_EXTERN const char* toml_table_key(toml_table_t* tab); + /* Deref array by index. Return the element at idx or 0 if out of range. */ TOML_EXTERN const char* toml_raw_at(toml_array_t* arr, int idx); TOML_EXTERN toml_array_t* toml_array_at(toml_array_t* arr, int idx); @@ -82,6 +112,8 @@ TOML_EXTERN int toml_rtoi(const char* s, int64_t* ret); /* Raw to Double. Return 0 on success, -1 otherwise. */ TOML_EXTERN int toml_rtod(const char* s, double* ret); +/* Same as toml_rtod, but return the sanitized double in string form as well */ +TOML_EXTERN int toml_rtod_ex(const char* s, double* ret, char* buf, int buflen); /* Timestamp types. The year, month, day, hour, minute, second, z * fields may be NULL if they are not relevant. e.g. In a DATE @@ -90,12 +122,12 @@ TOML_EXTERN int toml_rtod(const char* s, double* ret); typedef struct toml_timestamp_t toml_timestamp_t; struct toml_timestamp_t { struct { /* internal. do not use. */ - int year, month, day; - int hour, minute, second; - char z[10]; + int year, month, day; + int hour, minute, second, millisec; + char z[10]; } __buffer; int *year, *month, *day; - int *hour, *minute, *second; + int *hour, *minute, *second, *millisec; char* z; };