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-rw-r--r--src/version_spec.c445
1 files changed, 0 insertions, 445 deletions
diff --git a/src/version_spec.c b/src/version_spec.c
deleted file mode 100644
index 06fcd1b..0000000
--- a/src/version_spec.c
+++ /dev/null
@@ -1,445 +0,0 @@
-/**
- * @file version_spec.c
- */
-#include "spm.h"
-
-/**
- *
- * @param str
- * @return
- */
-char *version_suffix_get_alpha(char *str) {
- size_t i;
- size_t len = strlen(str);
- for (i = 0; i < len; i++) {
- // return pointer to the first alphabetic character we find
- if (isalpha(str[i])) {
- return &str[i];
- }
- }
- return NULL;
-}
-
-/**
- *
- * @param str
- * @return
- */
-char *version_suffix_get_modifier(char *str) {
- size_t i;
- char *modifiers[] = {
- "rc",
- "pre",
- "dev",
- "post",
- NULL,
- };
- for (i = 0; i < strlen(str); i++) {
- for (int m = 0; modifiers[m] != NULL; m++) {
- if (strncasecmp(&str[i], modifiers[m], strlen(modifiers[m])) == 0) {
- return &str[i];
- }
- }
- }
- return NULL;
-}
-
-/**
- *
- * @param str
- * @return
- */
-int64_t version_suffix_modifier_calc(char *str) {
- int64_t result = 0;
- char *tmp_s = str;
-
- if (strncasecmp(str, "rc", 2) == 0) {
- // do rc
- tmp_s += strlen("rc");
- if (isdigit(*tmp_s)) {
- result -= atoi(tmp_s);
- }
- else {
- result -= 1;
- }
- }
- else if (strncasecmp(str, "pre", 3) == 0) {
- // do pre
- tmp_s += strlen("pre");
- if (isdigit(*tmp_s)) {
- result -= atoi(tmp_s);
- }
- else {
- result -= 1;
- }
- }
- else if (strncasecmp(str, "dev", 3) == 0) {
- // do dev
- tmp_s += strlen("dev");
- if (isdigit(*tmp_s)) {
- result -= atoi(tmp_s);
- }
- else {
- result -= 1;
- }
- }
- else if (strncasecmp(str, "post", 4) == 0) {
- // do post
- tmp_s += strlen("post");
- if (isdigit(*tmp_s)) {
- result += atoi(tmp_s);
- }
- else {
- result += 1;
- }
- }
-
- return result;
-}
-
-/**
- *
- * @param str
- * @return
- */
-int version_suffix_alpha_calc(char *str) {
- int x = 0;
- char chs[255];
- char *ch = chs;
- memset(chs, '\0', sizeof(chs));
- strncpy(chs, str, strlen(str));
-
- // Handle cases where the two suffixes are not delimited by anything
- // Start scanning one character ahead of the alphabetic suffix and terminate the string
- // when/if we reach another alphabetic character (presumably a version modifer)
- for (int i = 1; chs[i] != '\0'; i++) {
- if (isalpha(chs[i])) {
- chs[i] = '\0';
- }
- }
-
- // Convert character to hex-ish
- x = (*ch - 'a') + 0xa;
-
- // Ensure the string ends with a digit
- if (strlen(str) == 1) {
- strcat(ch, "0");
- }
-
- // Convert trailing numerical value to an integer
- while (*ch != '\0') {
- if (!isdigit(*ch)) {
- ch++;
- continue;
- }
- x += atoi(ch);
- break;
- }
-
- return x;
-}
-
-/**
- *
- * @param version_str
- * @return
- */
-int64_t version_from(const char *version_str) {
- const char *delim = ".";
- int64_t result = 0;
- if (version_str == NULL) {
- return 0;
- }
-
- int seen_alpha = 0; // Does the tail contain a single character, but not a modifier?
- int seen_modifier = 0; // Does the tail contain "rc", "dev", "pre", and so forth?
- char head[255]; // digits of the string
- char tail[255]; // alphabetic characters of the string
- char *suffix_alpha = NULL; // pointer to location of the first character after the version
- char *suffix_modifier = NULL; // pointer to location of the modifier after the version
- char *x = NULL; // pointer to each string delimited by "."
- char *vstr = strdup(version_str);
- if (!vstr) {
- perror("Version string copy");
- return -1;
- }
-
- memset(head, '\0', sizeof(head));
- memset(tail, '\0', sizeof(tail));
-
- // Split the version into parts
- while ((x = strsep(&vstr, delim)) != NULL) {
- int64_t tmp = 0;
-
- // populate the head (numeric characters)
- strncpy(head, x, strlen(x));
- for (size_t i = 0; i < strlen(head); i++) {
- if (isalpha(head[i])) {
- // populate the tail (alphabetic characters)
- strncpy(tail, &head[i], strlen(&head[i]));
- head[i] = '\0';
- break;
- }
- }
-
- // Detect alphabetic suffix
- if (!seen_alpha) {
- if ((suffix_alpha = version_suffix_get_alpha(x)) != NULL) {
- seen_alpha = 1;
- }
- }
-
- // Detect modifier suffix
- if (!seen_modifier) {
- if ((suffix_modifier = version_suffix_get_modifier(x)) != NULL) {
- seen_modifier = 1;
- }
- }
-
- // Stop processing if the head starts with something other than numbers
- if (!isdigit(head[0])) {
- break;
- }
-
- // Convert the head to an integer
- tmp = atoi(head);
- // Update result. Each portion of the numeric version is its own byte
- // Version PARTS are limited to 255
- result = result << 8 | tmp;
- }
-
- if (suffix_alpha != NULL) {
- // Convert the alphabetic suffix to an integer
- int64_t sac = version_suffix_alpha_calc(suffix_alpha);
- result += sac;
- }
-
- if (suffix_modifier != NULL) {
- // Convert the modifier string to an integer
- int64_t smc = version_suffix_modifier_calc(suffix_modifier);
- if (smc < 0) {
- result -= ~smc + 1;
- }
- else {
- result += smc;
- }
- }
-
- free(vstr);
- return result;
-}
-
-/**
- *
- * @param op
- * @return
- */
-int version_spec_from(const char *op) {
- int flags = VERSION_NOOP;
- size_t len = strlen(op);
- for (size_t i = 0; i < len; i++) {
- if (op[i] == '>') {
- flags |= VERSION_GT;
- }
- else if (op[i] == '<') {
- flags |= VERSION_LT;
- }
- else if (op[i] == '=' || (len > 1 && strncmp(&op[i], "==", 2) == 0)) {
- flags |= VERSION_EQ;
- }
- else if (op[i] == '!') {
- flags |= VERSION_NE;
- }
- else if (op[i] == '~') {
- flags |= VERSION_COMPAT;
- }
- }
- return flags;
-}
-
-/**
- *
- * @param a
- * @param b
- * @return
- */
-static int _find_by_spec_compare(const void *a, const void *b) {
- const ManifestPackage *aa = *(const ManifestPackage**)a;
- const ManifestPackage *bb = *(const ManifestPackage**)b;
- int64_t version_a = version_from(aa->version);
- int64_t version_b = version_from(bb->version);
- return version_a > version_b;
-}
-
-/**
- *
- * @param manifest
- * @param name
- * @param op
- * @param version_str
- * @return
- */
-ManifestPackage **find_by_spec(Manifest *manifest, const char *name, const char *op, const char *version_str) {
- size_t record = 0;
- ManifestPackage **list = (ManifestPackage **) calloc(manifest->records + 1, sizeof(ManifestPackage *));
- if (!list) {
- perror("ManifestPackage array");
- fprintf(SYSERROR);
- return NULL;
- }
-
- for (size_t i = 0; i < manifest->records; i++) {
- if (strcmp(manifest->packages[i]->name, name) == 0) {
- int64_t version_a = version_from(manifest->packages[i]->version);
- int64_t version_b = version_from(version_str);
- int spec = version_spec_from(op);
-
- int res = 0;
- if (spec & VERSION_GT && spec & VERSION_EQ) {
- res = version_a >= version_b;
- }
- else if (spec & VERSION_LT && spec & VERSION_EQ) {
- res = version_a <= version_b;
- }
- else if (spec & VERSION_NE && spec & VERSION_EQ) {
- res = version_a != version_b;
- }
- else if (spec & VERSION_GT) {
- res = version_a > version_b;
- }
- else if (spec & VERSION_LT) {
- res = version_a < version_b;
- }
- else if (spec & VERSION_COMPAT) {
- // TODO
- }
- else if (spec & VERSION_EQ) {
- res = version_a == version_b;
- }
-
- if (res != 0) {
- list[record] = manifest_package_copy(manifest->packages[i]);
- if (!list[record]) {
- perror("Unable to allocate memory for manifest record");
- fprintf(SYSERROR);
- return NULL;
- }
- record++;
- }
- }
- }
- qsort(list, record, sizeof(ManifestPackage *), _find_by_spec_compare);
-
- return list;
-}
-
-static void get_name(char **buf, const char *_str) {
- char *str = strdup(_str);
- int has_relational = 0;
- int is_archive = endswith(str, SPM_PACKAGE_EXTENSION);
- for (size_t i = 0; str[i] != '\0'; i++) {
- if (isrelational(str[i]))
- has_relational = 1;
- }
-
- if (is_archive == 0 && !has_relational) {
- strcpy((*buf), str);
- }
- else if (has_relational) {
- size_t stop = 0;
- for (stop = 0; !isrelational(str[stop]); stop++);
- strncpy((*buf), str, stop);
- (*buf)[stop] = '\0';
- } else {
- StrList *tmp = strlist_init();
- char sep[2];
- sep[0] = SPM_PACKAGE_MEMBER_SEPARATOR;
- sep[1] = '\0';
-
- char **parts = split(str, sep);
- if (parts != NULL) {
- for (size_t i = 0; parts[i] != NULL; i++) {
- strlist_append(tmp, parts[i]);
- }
- }
- split_free(parts);
-
- if (strlist_count(tmp) > SPM_PACKAGE_MIN_DELIM) {
- strlist_set(tmp, strlist_count(tmp) - SPM_PACKAGE_MIN_DELIM, NULL);
- }
- char *result = join(tmp->data, sep);
- strcpy((*buf), result);
- free(result);
- strlist_free(tmp);
- }
- free(str);
-}
-
-static char *get_operators(char **op, const char *_strspec) {
- const char *operators = VERSION_OPERATORS; // note: whitespace is synonymous with ">=" if no operators are present
- char *pos = NULL;
- pos = strpbrk(_strspec, operators);
- if (pos != NULL) {
- for (size_t i = 0; !isalnum(*pos) || *pos == '.'; i++) {
- (*op)[i] = *pos++;
- }
- }
- return pos;
-}
-
-ManifestPackage *find_by_strspec(Manifest *manifest, const char *_strspec) {
- char *pos = NULL;
- char s_op[NAME_MAX];
- char s_name[NAME_MAX];
- char s_version[NAME_MAX];
- char *op = s_op;
- char *name = s_name;
- char *version = s_version;
- char *strspec = strdup(_strspec);
-
- memset(op, '\0', NAME_MAX);
- memset(name, '\0', NAME_MAX);
- memset(version, '\0', NAME_MAX);
-
- // Parse name
- //for (size_t i = 0; isalnum(_strspec[i]) || _strspec[i] == '_' || _strspec[i] == '-'; i++) {
- // name[i] = _strspec[i];
- //}
- get_name(&name, strspec);
- pos = get_operators(&op, strspec);
-
-
- ManifestPackage **m = NULL;
- // No operators found
- if (pos == NULL) {
- m = find_by_spec(manifest, name, ">=", NULL);
- }
-
- // When `m` is still NULL after applying the default operator
- if (m == NULL) {
- for (size_t i = 0; *(pos + i) != '\0'; i++) {
- version[i] = *(pos + i);
- }
- m = find_by_spec(manifest, name, op, version);
- }
-
- // When `m` has been populated by either test above, return a COPY of the manifest
- if (m != NULL) {
- ManifestPackage *selected = NULL;
- for (size_t i = 0; m[i] != NULL; i++) {
- selected = m[i];
- }
-
- ManifestPackage *result = manifest_package_copy(selected);
- for (size_t i = 0; m[i] != NULL; i++) {
- manifest_package_free(m[i]);
- }
- free(m);
- free(strspec);
- return result;
- }
-
- // Obviously it didn't work out
- free(strspec);
- return NULL;
-}
generated by cgit (git 2.34.1) at 2025-04-28 21:01:39 -0400