/* +----------------------------------------------------------------------+ | PHP Version 5 | +----------------------------------------------------------------------+ | Copyright (c) 1997-2011 The PHP Group | +----------------------------------------------------------------------+ | This source file is subject to version 3.01 of the PHP license, | | that is bundled with this package in the file LICENSE, and is | | available through the world-wide-web at the following url: | | http://www.php.net/license/3_01.txt | | If you did not receive a copy of the PHP license and are unable to | | obtain it through the world-wide-web, please send a note to | | license@php.net so we can mail you a copy immediately. | +----------------------------------------------------------------------+ | Author: Marcus Boerger | | Johannes Schlueter | +----------------------------------------------------------------------+ */ /* $Id$ */ #include "php.h" #if (HAVE_LIBREADLINE || HAVE_LIBEDIT) && !defined(COMPILE_DL_READLINE) #ifndef HAVE_RL_COMPLETION_MATCHES #define rl_completion_matches completion_matches #endif #include "php_globals.h" #include "php_variables.h" #include "zend_hash.h" #include "zend_modules.h" #include "SAPI.h" #if HAVE_SETLOCALE #include #endif #include "zend.h" #include "zend_extensions.h" #include "php_ini.h" #include "php_globals.h" #include "php_main.h" #include "fopen_wrappers.h" #include "ext/standard/php_standard.h" #include "ext/standard/php_smart_str.h" #ifdef __riscos__ #include #endif #if HAVE_LIBEDIT #include #else #include #include #endif #include "zend_compile.h" #include "zend_execute.h" #include "zend_highlight.h" #include "zend_indent.h" #include "php_cli_readline.h" #define DEFAULT_PROMPT "\\b \\> " ZEND_DECLARE_MODULE_GLOBALS(cli_readline); static void cli_readline_init_globals(zend_cli_readline_globals *rg TSRMLS_DC) { rg->pager = NULL; rg->prompt = NULL; rg->prompt_str = NULL; } PHP_INI_BEGIN() STD_PHP_INI_ENTRY("cli.pager", "", PHP_INI_ALL, OnUpdateString, pager, zend_cli_readline_globals, cli_readline_globals) STD_PHP_INI_ENTRY("cli.prompt", DEFAULT_PROMPT, PHP_INI_ALL, OnUpdateString, prompt, zend_cli_readline_globals, cli_readline_globals) PHP_INI_END() static PHP_MINIT_FUNCTION(cli_readline) { ZEND_INIT_MODULE_GLOBALS(cli_readline, cli_readline_init_globals, NULL); REGISTER_INI_ENTRIES(); return SUCCESS; } static PHP_MSHUTDOWN_FUNCTION(cli_readline) { UNREGISTER_INI_ENTRIES(); return SUCCESS; } static PHP_MINFO_FUNCTION(cli_readline) { DISPLAY_INI_ENTRIES(); } zend_module_entry cli_readline_module_entry = { STANDARD_MODULE_HEADER, "cli-readline", NULL, PHP_MINIT(cli_readline), PHP_MSHUTDOWN(cli_readline), NULL, NULL, PHP_MINFO(cli_readline), PHP_VERSION, STANDARD_MODULE_PROPERTIES }; typedef enum { body, sstring, dstring, sstring_esc, dstring_esc, comment_line, comment_block, heredoc_start, heredoc, outside, } php_code_type; char *cli_get_prompt(char *block, char prompt TSRMLS_DC) /* {{{ */ { smart_str retval = {0}; char *prompt_spec = CLIR_G(prompt) ? CLIR_G(prompt) : DEFAULT_PROMPT; do { if (*prompt_spec == '\\') { switch (prompt_spec[1]) { case '\\': smart_str_appendc(&retval, '\\'); prompt_spec++; break; case 'n': smart_str_appendc(&retval, '\n'); prompt_spec++; break; case 't': smart_str_appendc(&retval, '\t'); prompt_spec++; break; case 'e': smart_str_appendc(&retval, '\033'); prompt_spec++; break; case 'v': smart_str_appends(&retval, PHP_VERSION); prompt_spec++; break; case 'b': smart_str_appends(&retval, block); prompt_spec++; break; case '>': smart_str_appendc(&retval, prompt); prompt_spec++; break; case '`': smart_str_appendc(&retval, '`'); prompt_spec++; break; default: smart_str_appendc(&retval, '\\'); break; } } else if (*prompt_spec == '`') { char *prompt_end = strstr(prompt_spec + 1, "`"); char *code; if (prompt_end) { code = estrndup(prompt_spec + 1, prompt_end - prompt_spec - 1); CLIR_G(prompt_str) = &retval; zend_try { zend_eval_stringl(code, prompt_end - prompt_spec - 1, NULL, "php prompt code" TSRMLS_CC); } zend_end_try(); CLIR_G(prompt_str) = NULL; efree(code); prompt_spec = prompt_end; } } else { smart_str_appendc(&retval, *prompt_spec); } } while (++prompt_spec && *prompt_spec); smart_str_0(&retval); return retval.c; } int cli_is_valid_code(char *code, int len, char **prompt TSRMLS_DC) /* {{{ */ { int valid_end = 1, last_valid_end; int brackets_count = 0; int brace_count = 0; int i; php_code_type code_type = body; char *heredoc_tag; int heredoc_len; for (i = 0; i < len; ++i) { switch(code_type) { default: switch(code[i]) { case '{': brackets_count++; valid_end = 0; break; case '}': if (brackets_count > 0) { brackets_count--; } valid_end = brackets_count ? 0 : 1; break; case '(': brace_count++; valid_end = 0; break; case ')': if (brace_count > 0) { brace_count--; } valid_end = 0; break; case ';': valid_end = brace_count == 0 && brackets_count == 0; break; case ' ': case '\r': case '\n': case '\t': break; case '\'': code_type = sstring; break; case '"': code_type = dstring; break; case '#': code_type = comment_line; break; case '/': if (code[i+1] == '/') { i++; code_type = comment_line; break; } if (code[i+1] == '*') { last_valid_end = valid_end; valid_end = 0; code_type = comment_block; i++; break; } valid_end = 0; break; case '%': if (!CG(asp_tags)) { valid_end = 0; break; } /* no break */ case '?': if (code[i+1] == '>') { i++; code_type = outside; break; } valid_end = 0; break; case '<': valid_end = 0; if (i + 2 < len && code[i+1] == '<' && code[i+2] == '<') { i += 2; code_type = heredoc_start; heredoc_len = 0; } break; default: valid_end = 0; break; } break; case sstring: if (code[i] == '\\') { code_type = sstring_esc; } else { if (code[i] == '\'') { code_type = body; } } break; case sstring_esc: code_type = sstring; break; case dstring: if (code[i] == '\\') { code_type = dstring_esc; } else { if (code[i] == '"') { code_type = body; } } break; case dstring_esc: code_type = dstring; break; case comment_line: if (code[i] == '\n') { code_type = body; } break; case comment_block: if (code[i-1] == '*' && code[i] == '/') { code_type = body; valid_end = last_valid_end; } break; case heredoc_start: switch(code[i]) { case ' ': case '\t': case '\'': break; case '\r': case '\n': code_type = heredoc; break; default: if (!heredoc_len) { heredoc_tag = code+i; } heredoc_len++; break; } break; case heredoc: if (code[i - (heredoc_len + 1)] == '\n' && !strncmp(code + i - heredoc_len, heredoc_tag, heredoc_len) && code[i] == '\n') { code_type = body; } else if (code[i - (heredoc_len + 2)] == '\n' && !strncmp(code + i - heredoc_len - 1, heredoc_tag, heredoc_len) && code[i-1] == ';' && code[i] == '\n') { code_type = body; valid_end = 1; } break; case outside: if ((CG(short_tags) && !strncmp(code+i-1, " 3 && !strncmp(code+i-4, "' TSRMLS_CC); } break; case sstring: case sstring_esc: *prompt = cli_get_prompt("php", '\'' TSRMLS_CC); break; case dstring: case dstring_esc: *prompt = cli_get_prompt("php", '"' TSRMLS_CC); break; case comment_block: *prompt = cli_get_prompt("/* ", '>' TSRMLS_CC); break; case heredoc: *prompt = cli_get_prompt("<<<", '>' TSRMLS_CC); break; case outside: *prompt = cli_get_prompt(" ", '>' TSRMLS_CC); break; } if (!valid_end || brackets_count) { return 0; } else { return 1; } } /* }}} */ static char *cli_completion_generator_ht(const char *text, int textlen, int *state, HashTable *ht, void **pData TSRMLS_DC) /* {{{ */ { char *name; ulong number; if (!(*state % 2)) { zend_hash_internal_pointer_reset(ht); (*state)++; } while(zend_hash_has_more_elements(ht) == SUCCESS) { zend_hash_get_current_key(ht, &name, &number, 0); if (!textlen || !strncmp(name, text, textlen)) { if (pData) { zend_hash_get_current_data(ht, pData); } zend_hash_move_forward(ht); return name; } if (zend_hash_move_forward(ht) == FAILURE) { break; } } (*state)++; return NULL; } /* }}} */ static char *cli_completion_generator_var(const char *text, int textlen, int *state TSRMLS_DC) /* {{{ */ { char *retval, *tmp; tmp = retval = cli_completion_generator_ht(text + 1, textlen - 1, state, EG(active_symbol_table), NULL TSRMLS_CC); if (retval) { retval = malloc(strlen(tmp) + 2); retval[0] = '$'; strcpy(&retval[1], tmp); rl_completion_append_character = '\0'; } return retval; } /* }}} */ static char *cli_completion_generator_ini(const char *text, int textlen, int *state TSRMLS_DC) /* {{{ */ { char *retval, *tmp; tmp = retval = cli_completion_generator_ht(text + 1, textlen - 1, state, EG(ini_directives), NULL TSRMLS_CC); if (retval) { retval = malloc(strlen(tmp) + 2); retval[0] = '#'; strcpy(&retval[1], tmp); rl_completion_append_character = '='; } return retval; } /* }}} */ static char *cli_completion_generator_func(const char *text, int textlen, int *state, HashTable *ht TSRMLS_DC) /* {{{ */ { zend_function *func; char *retval = cli_completion_generator_ht(text, textlen, state, ht, (void**)&func TSRMLS_CC); if (retval) { rl_completion_append_character = '('; retval = strdup(func->common.function_name); } return retval; } /* }}} */ static char *cli_completion_generator_class(const char *text, int textlen, int *state TSRMLS_DC) /* {{{ */ { zend_class_entry **pce; char *retval = cli_completion_generator_ht(text, textlen, state, EG(class_table), (void**)&pce TSRMLS_CC); if (retval) { rl_completion_append_character = '\0'; retval = strdup((*pce)->name); } return retval; } /* }}} */ static char *cli_completion_generator_define(const char *text, int textlen, int *state, HashTable *ht TSRMLS_DC) /* {{{ */ { zend_class_entry **pce; char *retval = cli_completion_generator_ht(text, textlen, state, ht, (void**)&pce TSRMLS_CC); if (retval) { rl_completion_append_character = '\0'; retval = strdup(retval); } return retval; } /* }}} */ static int cli_completion_state; static char *cli_completion_generator(const char *text, int index) /* {{{ */ { /* TODO: - constants - maybe array keys - language constructs and other things outside a hashtable (echo, try, function, class, ...) - object/class members - future: respect scope ("php > function foo() { $[tab]" should only expand to local variables...) */ char *retval = NULL; int textlen = strlen(text); TSRMLS_FETCH(); if (!index) { cli_completion_state = 0; } if (text[0] == '$') { retval = cli_completion_generator_var(text, textlen, &cli_completion_state TSRMLS_CC); } else if (text[0] == '#') { retval = cli_completion_generator_ini(text, textlen, &cli_completion_state TSRMLS_CC); } else { char *lc_text, *class_name, *class_name_end; int class_name_len; zend_class_entry **pce = NULL; class_name_end = strstr(text, "::"); if (class_name_end) { class_name_len = class_name_end - text; class_name = zend_str_tolower_dup(text, class_name_len); class_name[class_name_len] = '\0'; /* not done automatically */ if (zend_lookup_class(class_name, class_name_len, &pce TSRMLS_CC)==FAILURE) { efree(class_name); return NULL; } lc_text = zend_str_tolower_dup(class_name_end + 2, textlen - 2 - class_name_len); textlen -= (class_name_len + 2); } else { lc_text = zend_str_tolower_dup(text, textlen); } switch (cli_completion_state) { case 0: case 1: retval = cli_completion_generator_func(lc_text, textlen, &cli_completion_state, pce ? &(*pce)->function_table : EG(function_table) TSRMLS_CC); if (retval) { break; } case 2: case 3: retval = cli_completion_generator_define(text, textlen, &cli_completion_state, pce ? &(*pce)->constants_table : EG(zend_constants) TSRMLS_CC); if (retval || pce) { break; } case 4: case 5: retval = cli_completion_generator_class(lc_text, textlen, &cli_completion_state TSRMLS_CC); break; default: break; } efree(lc_text); if (class_name_end) { efree(class_name); } if (pce && retval) { int len = class_name_len + 2 + strlen(retval) + 1; char *tmp = malloc(len); snprintf(tmp, len, "%s::%s", (*pce)->name, retval); free(retval); retval = tmp; } } return retval; } /* }}} */ char **cli_code_completion(const char *text, int start, int end) /* {{{ */ { return rl_completion_matches(text, cli_completion_generator); } /* }}} */ #endif /* HAVE_LIBREADLINE || HAVE_LIBEDIT */ /* * Local variables: * tab-width: 4 * c-basic-offset: 4 * End: * vim600: sw=4 ts=4 fdm=marker * vim<600: sw=4 ts=4 */